A revision of Hebeloma sect. Indusiata in the Nordic countries

A revision of Hebeloma sect. Indusiata in the Nordic countries has been undertaken. The type species of the genus, Agaricus fastibilis , is interpreted as being a non-veiled species, and therefore sect. Indusiata is the correct name for the section comprising the veiled, non-rooting species of Hebeloma. Subsect. Amygdalina subsect. nov. is proposed for species in sect. Indusiata possessing amygdaloid, dextrinoid spores. The following new taxa and combinations are proposed: Hebeloma mesophaeum var. crassipes var. non., H. mesophaeum var. lacteum nom. et stat. nov., H. polare sp. nov., H. sordescens sp. nov., H. atrobrunneum sp. nov., H. monticola sp. nov. and Agrocybe elatella comb. nov.     

New taxa and nomenclatural combinations in Malesian Bauhinia (Leguminosae-Caesalpinioideae)

The following new taxa have been described Bauhinia foraminifera var. falcata var. nov., B. kockiana var. angustifolia var. nov., B. kockiana var. bakoensis var. nov., B. kockiana var. beccarii var. nov., B. kockiana var. brevipedicellata var. nov., B. kockiana var. calcicola var. nov., B. merrilliana var. borneensis var. nov., B. pachyphylla var. wenzelii var. nov., B. semibifida var. acuminata var. nov., B. semibifida var. bruneiana var. nov., B. semibifida var. longebracfeata var. nov., B. stipularis var. brachystylus var. nov., B. wrayi var. blumeana var. nov., and B. wrayi var. borneensis var. nov.
The following new combinations have been made: Bauhinia ahemiana var. subglabra comb. nov., B. ampla var. schlechteri stat. nov., B. bidentata var. breviflora stat. nov., B. bidentata var. fraseri comb. nov., B. bidentata var. gracilipes stat. nov., B. bidentata var. monticola stat. nov., B. fabrilis comb. & stat. nov., B. finlaysoniana var. amoena comb. nov., B. finlaysoniana var. leptopus comb. nov., B. finlaysoniana var. montana comb. nov., B. integrifolia ssp. integrifolia var. nymphaeifolia comb. nov., B. kockiana var. scarlatina stat. nov., B. kockiana var. sericeinervia comb. nov., B. kockiana var. velutina comb. nov., B. lingua var. antipolana stat. nov., B. lingua var. riedelii stat. nov., B. semibifida var. perkinsae stat. nov., B. semibifda var. stenostachya comb, nov., B. wrayi var. cancellata comb. & stat. nov., B. wrayi var. cardiophylla comb, nov., and B. wrayi var. rubella comb. nov.     

A revision of the genus Lasianthus (Rubiaceae) in Africa, excluding Madagascar

23 species, one subspecies and three varieties have been described or named for the pan-tropical genus Lasianthus Jack (Rubiaceae) in continental Africa. In the present revision thirteen species, five subspecies and one variety are recognized; additionally two hybrids are proposed. Of the previously named taxa, the subspecies is raised to species rank whereas two species are degraded to subspecies and variety status, respectively. Five species are synonymised including two varieties, and four are left with uncertain status, including one variety. The distribution of the genus in Africa consists of two distinct elements: one component is found in the Guineo-Congolian regional centre of endemism and one in the eastern part of Afiomontane Archipelago-like regional centre of endemism. A centre of species diversity is found in Eastern Arc Mts., where six endemic species occur together with L. laxinervis and the more widespread L. kilimandscharicus. Four of the species are strict endemics of the Uluguru Mts. In addition to the presentation of the new section: Lasianthus Sectio Membranacei, sect. nov., this revision contain two hybrids from Uluguru Mts.: L. macrocalyx × pedunculatus and L. cereifizorus × pedunculatus, and following new taxa and new combinations: L. africanus ssp. biokoensis, subsp. nov.; L. africanus ssp. mayumbensis, comb. et stat. nov.; L. kilimandscharicus ssp. glabrescens, ssp. nov.; L. kilimandscharicus ssp. glabrescens var. xanthospermus, comb. et stat. nov.; L. kilimandscharicus ssp. hirsutus, ssp. nov.; L. laxinervis, stat. nov.; L. pedunculatus ssp. angustisepalus, ssp. nov.     

The genus Cremastra (Orchidaceae), a taxonomic revision

The genus Cremastra is revised. A total of 8 taxa have earlier been proposed, but in the present revision 2 species are recognized: C. appendiculata and C. unguiculata. Hyacinthorchis variabilis is here considered a variety: C. appendiculata var. variabilis comb. et stat. nov.     

Infrageneric division of the genus Hypecoum (Papaveraceae)

The genus Hypecoum (Papaveraceae) is subdivided into five sections. Two of them (sect. Chiazospermum and sect. Leptocarpae sect, nov.) are comprised in subgen. Chiazospermum , and three in subgen. Hypecoum (sect. Hypecoum , sect Pendulae sect. nov., and sect. Mnemosilla comb, et stat. nov.). The morphology of the sections is discussed, and a hypothesis of the possible course of evolution within the genus is presented. Chromosome numbers are given for seven taxa.     

两种中国白粉菌的订正

在作者(郑儒永、陈桂清,1977)报道似钩状钩丝壳 Uncinula aduncoi-des Zheng & Chen 时,未能从苏联借到和它一样寄生在械属 Acer 上的另外一种钩丝壳柳氏钩丝壳 Uncinula ljubarskii Golov.进行对比研究,因而只能根据其作者(Golovin,1952,1960)两次报道该种时所发表的描述和绘图来加以比较,结果认为两者虽然比较接近,但仍然存在着足以区分为两个不同的种的形态差异:中国的菌的附属丝是向上渐粗的并在顶端钩状部分膨大,往往在基部有一个隔膜并有黄褐色的基部细胞;子囊无柄至近无柄;子囊孢子矩圆-卵形(长:宽=3:2)。苏联的菌的附属丝则是上下近等粗的,无隔膜;子囊有明显的柄;子囊孢子椭圆形(长:宽=2:1)。最近,Braun(1984)重新发表了研究柳氏钩丝壳的模式标本所写的描述。在他的描述中,除附属丝近等粗并且在顶端钩状部分不膨大外,其他方面均与我们的菌一致。根据这种情况,作者决定将似钩状钩丝壳降为柳氏钩丝壳的变种成为改级新组合似钩状柳氏钩丝壳 Uncinula ljubarskiiGolov vàr.aduncoides(Zheng & Chen)Zheng & Chen star.nov.。另外一种钩丝壳,枫香钩丝壳 Uncinula liquidambaris Zheng & Chen,作者(郑儒永、陈桂清,1978)在发表时所依据的标本都是一些很老的标本,子囊果上大部分的短型附属丝多已胶化不在,因而疏忽地把它当作了只有长型附属丝的钩丝壳属来发表。最近,由于有机会看到一份新采自福建的枫香白粉菌,发现除在同一个子囊果上可同时具有长、短两型的附属丝外,其他特征均与作者过去发表过的枫香钩丝壳一致,这才引起了我们的注意并促使我们对过去鉴定为枫香钩丝壳的所有标本重新进行镜检研究。结果表明,枫香上的菌是小钩丝壳属而不是钩丝壳属,因此应成为新组合枫香小钩丝壳 Undnuliella liquidambaris(Zheng＆ Chen)Zheng,Chen & Z.X.Chen comb.nov.。     

Observations on some new and interesting Cryptophyceae

Three new varieties and two new combinations of marine Cryptophyceae are described: Proteomonas pseudobaltica comb, nov., P. pseudobaltica var. leonardiana var. nov., Pyrenomonas salina var. curvata var. nov., Rhinomonas reticulata var. atrorosea comb, et stat. nov., and R. reticulata var. compressa var. nov. Proteomonas is compared to the freshwater Cryptomonas marssonii. Planktonic specimens collected from the southern North Sea during the NERC North Sea Project 1988/89, tentatively identified as Cryptomonas acuta and Plagioselmis sp., are also examined. Characters having taxonomic significance at various levels include cell compression, periplast features, chloroplast number, nucleomorph position, and phycoerythrin type. Comments are made on cell shrinkage occuring during preparation for scanning electron microscopy (up to about 23%). The appearance af trie vestibular region from which the flagella emerge is also discussed. It is suggested that the term 'furrow' may encompass a variety of structures. Of these, only one appears to be non-artefactual; this seems to be taxonomically significant at most at the species level.     

Jamesoniella carringtonii—eine Plagiochila in Nepal mit Perianth

Abstract

Jamesoniella carringtonii (Balfour) Schiffn. is transferred to Plagiochila (P. carringtonii (Balfour) Grolle, comb.nov.). P. carringtonii ssp. carringtonii is regarded as an endemic subspecies of the British Isles and the Faeroes, whereasssp. lobuchensis Grolle, ssp.nov. with wholly entire leavesis restricted to Nepal and bears perianths. Jamesoniella carringtonii var. recurvata Nicholson is an independent not closely related species of Plagiochila (P. recurvata (Nicholson) Grolle, stat. et comb.nov.) from N.W.-Yünnan. P. recurvata and p. poeltii Inoue et GroUe, sp.nov. (from Nepal) probably belong to section Renitentes Carl. New differences between Jamesoniella autumnalis (DC.) Steph. and J. undulifolia (Nees) K. MOO., whichlatter is type of Biantheridion Grolle, sect.nov. Notes on the distribution of hepatics in Europe restricted to the cool euatlantic regions.     

Studies in the genus Hypericum L. (Clusiaceae). 1 Section 9. Hypericum sensu lato (part 3): Subsection 1. Hypericum series 2. Senanensia,subsection 2. Erecta and section 9b. Graveolentia

Abstract

Part 4(3) of this monographic series of papers on the genus Hypericum is prefaced by an introduction to the genus and a summary of the aims and methods of the project. This is followed by treatments of the remaining parts of sect. 9. Hypericum sensu stricto and the last segregate section from the original sect. Hypericum, sect. 9b. Graveolentia. Both hitherto untreated parts of the reduced sect. Hypericum are mainly Japanese, but some species extend in distribution as far as Kamchatka, eastern Siberia, central China, and Sabah (Mt. Kinabalu). Sect. Graveolentia is North and Central American. Sect. Hypericum subsect. Hypericum series Senanensia contains seven species from northern Japan and adjacent areas, including H. pibairense (Miyabe & Y. Kimura) N. Robson, stat. nov., H. nakaii subsp. miyabei (Y. Kimura) N. Robson, comb. et stat. nov., H. nakaii subsp. tatewakii (S. Watanabe) N. Robson, comb. et stat. nov. and H. senanense subsp. mutiloides (R. Keller) N. Robson, comb. et stat. nov. Sect. Hypericum subsect. Erecta contains 23 species and one hybrid from Japan, Korea, central China, Taiwan, Luzon, Sabah and Sumatera, including H. kawaranum N. Robson, stat. et nom. nov., H. watanabei N. Robson, stat. et nom. nov., H. kimurae N. Robson, stat. et nom. nov., H. pseudoerectum stat. et nom. nov., H. kitamense (Y. Kimura) N. Robson, stat. nov., H. kurodakeanum N. Robson, stat. et nom. nov., H. furusei N. Robson, sp. nov., H. nuporoense N. Robson, sp. nov. and H. ovalifolium subsp. hisauchii (Y. Kimura) N. Robson, stat. nov. Sect. Graveolentia contains nine species and one hybrid from southeastern Canada, the eastern half of the United States, Mexico and western Guatemala, including H. oaxacanum subsp. veracrucense N. Robson, subsp. nov. and H. macvaughii N. Robson, sp. nov.     

A systematic revision of Potentilla lineata and allied species (Rosaceae) in the Himalaya and adjacent regions

IKEDA, H. & OHBA, H., 1993. A systematic revision of Potentilla lineata and allied species (Rosaceae) in the Himalaya and adjacent regions . Potentilla lineata and allied species (Rosaceae) in the Himalaya and adjacent regions are revised. Potentilla festiva Soják, P. josephiana H. Ikeda & H. Ohba, P. lineata Trev., P. fallens Card, and P. polyphylla Wall, ex Lehm. are recognized. Potentilla josephiana is a new name for P.fulgens Wall, ex Hook. var. intermedia Hook. f. Four varieties are recognized in P. polyphylla: var. polyphylla; var. himalaka H. Ikeda & H. Ohba, var. nov.; var. interrupta (Yü & Li) H. Ikeda & H. Ohba, stat. & comb, nov.; and var. barbata Lehm. A polyploid series is found in this group. Four putative hybrids between the species are also recognized.     

Notes on the genus Bauhinia (Leguminosae-Caesalpinioideae) in SE Asia

During the revision of the genus Bauhinia for Flora Malesiana three undescribed species have been discovered, Bauhinia kostermansii sp. nov. and B. steenisii sp. nov. from Borneo, and B. franckii sp. nov. from the Malay Peninsula. Bauhinia chrysophylla has turned out to be a later homonym, for which reason Bauhinia aureifolia nom. nov. is proposed. The chromosome number of this species has been counted as 2n = 26. B. fabrilis comb, et stat. nov. is proposed for Phanera riedelii var. fabrilis.     

Morphologic variation and classification of the North American Aristida purpurea complex (Gramineae)

The morphology of the Purpureae Group of North AmericanAristida is assessed by principal components and statistical analyses. Long considered a complex of about eight species, a mosaic of intergrading phenetic forms is revealed and the complex is reduced to one species with seven varieties. The taxa that are recognized areAristida purpurea var.purpurea, var.nealleyi (comb. nov.), var.curvifolia (comb. nov.), var.parishii (comb. nov.), var.wrightii (comb. nov.), var.fendleriana, and var.longiseta. A key and synopses for the varieties are provided.     

A phylogenetic study of the Plantaginaceae

In a study based on morphological, embryological and chemical data of the Plantaginaceae, within the subclass Sympetalae or Asteridae, the superorder Lamianae is shown to be monophyletic. However, it was not possible to reconstruct the phylogeny within Lamianae or to find a sister-group for the monophyletic Plantaginaceae – Hydrostachyaceae for the latter is rejected. Three or rarely four genera have previously been recognized within Plantaginaceae, but in both cases Plantago appears as polyphyletic, which is considered unacceptable. Six clades are recognized as subgenera within Plantago: subgen. Plantago (c. 131 species), subgen. Coronopus (c. 11 species), subgen. Littorella (three species), subgen. Psyllium (c. 16 species), subgen. Bougueria (one species), and subgen. Albicans (51 species). Within P. subgen. Plantago, the paraphyletic sect. Plantago (c. 42 species) is found in all parts of the world except South America, New Zealand, Australia, and New Guinea, where sect. Oliganthos and sect. Mesembryniae vicariate. It is not possible to infer the phylogeny within sect. Plantago, for example between the endemic species from distant Pacific Islands; their common ancestor might be a species that once had a very wide distribution. Keys to genera, subgenera, sections and series are given. Only one genus, Plantago L., is recognized. The following proposals are made in the Appendix: P. ser. Oliganthos Rahn, ser. nov.; P. ser. Carpophorae (Rahn) Rahn, stat. nov. (= sect. C.); P. ser. Microcalyx (Pilg.) Rahn, stat. nov. (= sect. M.); P. unibrackteata Rahn, nom. nov. (=P. uniflora Hook.f. non L.); P. subgen. Littorella (P. J. Bergius) Rahn, stat. nov. (=Littorella P. J. Bergius); P. araucana Rahn, nom. nov. (=Littorella australis Griseb. non Plantago australis Lam.); P. americana (Fernald) Rahn, comb. nov.(=Littorella a.); P. subgen. Bougueria (Decne.) Rahn, stat. nov. (=Bougueria Decne.); P. nubicola (Decne.) Rahn, comb. nov. (=Bougueria n. Decne.); P. subgen. Albicans Rahn, subgen. nov. Ten lectotypes are selected.     

中国灯心草属植物的研究

本文通过对国产灯心草属植物的研究,提出了一个中国灯心草属分类系统排列,首次确认我国产6亚属,14组(包括10个新组),4个系(包括3个新系),77种(包括14个新种),l亚种(新亚种)和10变种(包括4个新变种),对其中一些种类作了归并及处理。     

A taxonomic revision of Crambe, sect. Leptocrambe (Brassicaceae)

As part of a revision of the genus Crambe based on the morphological study of herbaria and cultivated material, the systematics of sect. Leptocrombe DC. is presented here. Section Leptocrambe is considered to comprise five species: C. kilimandscharica O. E. Schulz, C. sinuatodentata Hochst. ex Petri, C. hispanica L., C. filiformis Jacq. and C. kralikii Coss. C. hispanica includes three subspecies, subsp. hispanica , subsp. glabrata (DC.) Cout. and subsp. abyssnica (Hochst. ex R. E. Fr.) stat. nov. which includes var. dyssinica and var. meyeri (O. E. Schulz) comb. nov. C. kralikii includes two subspecies, subsp. kralikii and subsp. garamas (Maire) Podlech.     

New and interesting desmids (Zygnematales, Chlorophyceae) collected from Brazil and Argentina

The morphology and taxonomy of nine desmid taxa belonging to the three genera Closterium, Euastrum and Cosmarium are studied based on freshwater algal collections from Brazil and Argentina. They represent five new varieties (Closterium cynthia De Notaris var. minutum Kanetsuna var. nov., Euastrum attenuatum Wolle var. saitoi Kanetsuna var. nov., Cosmarium laticollum Delponte var. minutum Kanetsuna var. nov., Cosmarium pseudovariolatum Grönblad var. major Kanetsuna var. nov. and Cosmarium taxichondrum Lundell var. yamagishii Kanetsuna var. nov.), two new forms (Euastrum hypochondrum Nordstedt var. hypochondrum f. divergens Kanetsuna f. nov. and Euastrum insulare (Wittrock) Roy var. silesiacum (Gronblad) Krieger f. brasiliense Kanetsuna f. nov.) and one new status (Cosmarium pseudovariolatum Gronblad var. incrassatum (Scott et Gronblad) Kanetsuna f. elonga‐tum (Scott et Gronblad) Kanetsuna stat. nov.). In addition, a new combination (Cosmarium pseudovariolatum Gronblad var. incrassatum (Scott et Gronblad) Kanetsuna comb, nov.) is proposed.     

Systematics of the one seeded Juniperus of the eastern hemisphere based on leaf essential oils and random amplified polymorphic DNAs (RAPDs)

The compositions of the leaf essential oils of all the one seed/cone species of Juniperus (sect. Sabina) of the eastern hemisphere are reported and compared (J. convallium, J. convallium var. microsperma, J. indica, J. komarovii, J. pingii, J. pingii var. carinata, J. prezewalskii, J. pseudosabina, J. recurva, J. recurva var. coxii, J. saltuaria, J. squamata, J. squamata var. morrisonicola, J. tibetica, J. wallachiana). In addition, DNA fingerprinting by RAPDs was utilized. The combined terpenoid and DNA data supported the continued recognition of the aforementioned taxa as distinct species except for four varieties which were recognized at the specific level: Juniperus carinata (Y.K. Yu & L.K. Fu) R.P. Adams, stat. nov. (Syn.: J. pingii var. carinata); J. coxii A.B. Jacks. (Syn.: J. recurva var. coxii); Juniperus microsperma (Cheng & L.K. Fu) R.P. Adams, stat. nov. (Syn.: J. convallium var. microsperma); J. morrisonicola Hayata (Syn.: J. squamata var. morrisonicola).     

A Study on the Genus Juncus Linn. from China

Juncus Linn. is a cosmopolitan genus with about 240 species, widely distributed in both hemispheres, but most abundant in the frigid and temperate zones. In the present paper, a revision of this genus in China is made, and a key to the species is provided. This paper also presents a systematic arrangement of the genus Juncus Linn. from China, recognizing six subgenera, 14 sections (includ. ten new), four series (includ. two new), 77 species (includ. 14 new), one subspecies (new) and ten varieties (includ. four new). They are as follows: Subgen. 1. Genuini Buchen. Sect. 1. Inflexi K. F. Wu, sect. nov. Sect. 2. Effusi (V. Krecz. et Gontsch. )K. F. Wu, stat. nov. Subgen. 2. Pseudotenageia V. Krecz. et Gontsch. Sect. 1. Kangpuenses K. F. Wu, sect. nov. Sect. 2. Compressi (V. Krecz. et Gontsch. )K. F. Wu, stat. nov. Sect. 3. Tenues (V. Krecz. etGontsch.)K. F. Wu, stat. nov. Subgen. 3. Poiophylli Buchen. Sect. 1. Nigroviolacei K. F. Wu, sect. nov. Sect. 2. Bufonii (V. Krecz. et Gontsch. )K. F. Wu, stat. nov. Subgen. 4. Graminifolii Buchen. Subgen. 5. Septati Buchen. Sect. 1. Allioides K. F. Wu, sect. nov. Sect. 2. Articulati K. F. Wu, sect. nov. Ser. 1. Articulati V. Krecz. et Gontsch. Ser. 2. Dongchuanenses K. F. Wu, ser, nov. Subgen. 6. Alpini Buchen. Sect. 1. Triglumes K. F. Wu, sect. nov. Ser. 1. Triglumes K. F. Wu, ser. nov. Ser. 2. Benghalenses K. F. Wu, ser. nov. Sect. 2. Minimi K. F. Wu, sect. nov. Sect. 3. Sikkimenses K. F. Wu, sect. nov. Sect. 4. Concinni K. F. Wu, sect. nov. Sect. 5. Sphacelati K. F. Wu, sect. nov.     

Three hawkweeds (Hieracium,Asteraceae) from the Netherlands typified and raised to species rank

After a short sketch of Dutch hieraciology, three taxa belonging to Hieracium sectt. Vulgata and Tridentata that were described from the Netherlands at the rank of subspecies or variety by Zahn are typified and raised to species rank. Hieracium meppelense (Zahn) Haveman comb. et stat nov. is found in the province of Drenthe in the northeastern part of the country, H. limburgense (Zahn) Haveman comb. et stat nov. in south‐Limburg in the southernmost part and H. macrodontophyllum (Van Soest et Zahn) Haveman comb. et stat nov. in the surroundings of Nijmegen and Arnhem, and further north in the central sand area. Photographs of the types as well as maps with the hitherto known distribution of these three species are included.