Novelties in Satureia sect. Gardoquia (Labiatae)

A new key is provided to the North American species of sect.Gardoquia; two varieties are recognized in the widespread Mexican speciesS. macrostema; andS. jaliscana, a species associated with barranca-forests in Jalisco, Mexico, is described as new.     

Novelties in Hedeoma (Labiatae)

Hedeoma pilosum andH. microphyllum are described as new. The former, an endemic of western Texas, is closely related toH. pusillum andH. apiculatum; the latter is intermediate betweenH. costatum andH. nanum. H. oblongifolium var.mexicanum andH. drummondii var.crenulatum are presented as two new varieties, both of which may have originated as hybrids.Hedeoma crenulatum is proposed as a new name to replaceH. montanum (Brade) Epling & Játiva. Three new combinations are made in the genusHesperozygis, and new status is accorded to two species.     

Chusquea sect. Swallenochloa (Poaceae: Bambusoideae) and allies in Brazil

The 13 high altitude/latitude, dwarf species ofChusquea in Brazil are described, illustrated, and mapped, and their morphology, habitats, distributions, and taxonomic affinities are discussed. Two keys to species are provided, one based solely on vegetative characters, and the other on vegetative and flowering characters.Chusquea erecta, C. nutans, C. riosaltensis,C. windischii, C. caparaoensis, andC. nudiramea are described as new, andC. microphylla is elevated to specific status. Two subspecies are recognized within the variableC. mimosa: C. mimosa subsp.australis and subsp.mimosa. Seven species are formally classified withinChusquea sect.Swallenochloa; the remaining six species are classified into two informal categories, theNudiramea andHeterophylla groups. A list of all the species currently included withinChusquea sect.Swallenochloa is provided.     

Six new species of melampodium (compositae: Heliantheae) from Mexico and Central America

Six species of the genusMelampodium are described as new:M. glabribracteatum, M. nayaritense, andM. pilosum (sect.Melampodium);M. costaricense, M. nutans, andM. sinaloense (sect.Zarabellia). Chromosome numbers forM. nutans andM. pilosum are reported asn = 11 andn = 10 respectively     

A Taxonomic study of the calea orizabaensis complex and its bearing on the nomenclature of verbesina standleyi (Asteraceae)

Examination of type material ofVerbesina standleyi andCalea pachyphylla shows that the two taxa are conspecific. The older name,C. pachyphylla, has long been associated with the quite remote,C. orizabaensis. The latter is indistinguishable fromC. rupestris andC. guatemalensis; accordingly, these are placed in synonymy.Calea orizabaensis consists of two infraspecific taxa, var.orizabaensis and var.websteri; the latter is described as new.     

A revision of the moss genus Trachyphyllum Gepp (Thuidiaceae)

Trachyphyllum is transferred from the Entodontaceae to the Thuidiaceae on the basis of correlated gametophytic and sporophytic characters. The genus is considered to consist of two subgenera: subg.Trachyphyllum forT. inflexum (with numerous new synonyms),T. gastrodes, T. dusenii andT. borgenii; and subg.Carinatum, subg. nov., forT. carinatum,T. jeyporense andT. touwianum, n. sp. All the species are keyed, described and illustrated.     

Notes on Oenocarpus (Palmae) in the Colombian Amazon

Five species ofOenocarpus from the Río Caquetá, in the Colombian Amazon, are discussed. Two of themOenocarpus simplex andOenocarpus makeru are described as new.Oenocarpus bacaba var.parvus is shown to be a synonym ofO. balickii; this species andO. minor are recorded for the first time in Colombia. Some comments on the poorly knownO. circumtextus are also given. The new findings support the inclusion ofJessenia inOenocarpus.     

Stuessya (Asteraceae: Heliantheae), a new genus from southcentral Mexico

Stuessya, a new genus from the Pacific slopes of southcentral Mexico is described. It is comprised of three species:S. apiculata, previously assigned to the genusViguiera;S. perennans, the generotype; andS. michoacana. The latter two taxa are previously undescribed. The genus is characterized by its urceolate, sclerified (at maturity) involucre. Chromosome counts of2n = 34 are reported forS. perennans. Relationships are problematical, but are reckoned to be somewhere betweenAldama andViguiera.     

Three new species of Dasylirion (Nolinaceae) from Mexico and a clarification of the D. longissimum complex

Three new species ofDasylirion and a new variety ofD. longissimum Lem. from the mountains of northern Mexico are described and illustrated. Two of the new species are from northwestern Mexico:D. gentryi, with large, rosecolored fruits and glossy, non-waxy leaves; andD. sereke, characterized by roundish fruits with an unusuall large style.Dasylirion miquihuanense is a new species from northeastern Mexico with narrow, strictly upright leaves and widely separated marginal prickles. TheDasylirion longissimum complex consists of two species,D. quadrangulatum S. Wats andD. longissimum Lem., characterized by narrow, quadrangulate leaves with reduced or absents marginal prickles. Distinguishing features of these two species, which have often been confused, are presented andD. longissimum var.treleasei, characterized by small flowers and fruits, is described.     

Species of Nectria (Ascomycetes,Hypocreales) having orange perithecia and colorless,striate ascospores

Nine species ofNectria are described or redescribed. Ascospores of all are colorless and striates; their perithecia are orange and do not become red in KOH. Three groups of species are represented. One group includesNectria grammicospora, N. cf.grammicospora, N. subquaternata, and the new species:N. grammicosporopsis, N. lucifer, andN. neogrammicospora. A second group includes the new speciesN. chlorogloea andN. septomyrotheciae. The third group is represented by the single new speciesN. dacryocarpa. The life-cycles of these species are described. Anamorphs ofN. grammicospora, N. grammicosporopsis, N. lucifer, andN. subquaternata are species ofClonostachys. The anamorph, ofN. neogrammicospora isAcremonium- orCephalosporiopsis-like in having monophialidic conidiophores and phragmosporous conidia, and that ofN. cf.grammicospora isAcremonium-like with amerosporous conidia. The anamorphs ofN. chlorogloea andN. septomyrotheciae have green conidia. The anamorph ofN. chlorogloea isMyrothecium sp.; its conidia are unicellular and the conidioma is a synemma. The anamorph ofN. septomyrotheciae isSeptomyrothecium cf.uniseptatum; its conidioma is a sporodochium and the conidia are bicellular. The new genus and speciesDacryoma alba are described for the anamorph ofN. dacryocarpa. All of these fungi are pantropical or Australasian in distribution.     

New Tigridieae (Iridaceae) from Mexico

A comparison of three heretofore undescribed species with the previously known species inTigridia subgen.Hydrotaenia suggests a realignment of taxa within the various complexes inHydrotaenia. Three species,T. venusta, T. illecebrosa, andT. catarinensis, and two subspecies,T. hallbergii ssp.lloydii andT. ehrenbergii ssp.flaviglandifera, are described.Sessilanthera citrina is described and the new taxonomic combinationS. heliantha (Ravenna) Cruden is proposed.     

The taxonomy of eriodon and notes on other South American genera of brachytheciaceae with erect capsules

Eriodon is reduced from five species to two.Eriodon radicalis is recognized asEntodontopsis radicalis;Eriodon longipes asPorotrichodendron longipes; andE. brevisetus as synonymous withLindigia debilis. Mandoniella, Stenocarpidiopsis andLepyrodontopsis are discussed and illustrated.Lepyrodontopsis is transferred to the new familyLe pyrodontopsidaceae, near the Meteoriaceae. The following nomenclatural trans fers are proposed for Rozea:R. andrieuxii f.chrysea andR. andrieuxii var.bour gaeana. Sciuroleskea is transferred to an alliance withStereophyllum,Juratzkaea, Entodontopsis, Stenocarpidium andJuratzkaeella. The following transfers are proposed:Sciuroleskea roseorum (Williams asRozea) Buck andJuratzkaea argentinica (Thér. asJ. seminervis var.argentinica) Buck. A key to the erect-capsuled South American genera retained in the Brachytheciaceae is provided.     

OnEndomyces,Endomycopsis and related yeast-like fungi

Strains in the culture collection of the Centraalbureau voor Schimmelcultures under the generic namesEndomyces andEndomycopsis were compared with related genera of filamentous and yeast-like fungi. The genusEndomyces is accepted for ascigerous states ofGeotrichum; 6 species are keyed out and discussed. The genus nameEndomycopsis is rejected as it is an obligate synonym ofSaccharomycopsis. ForEndomyces javanensis, Endomycopsis platypodis andSaccharomycopsis synnaedendra the new generaArthroascus, Hormoascus andBotryoascus are proposed; the genusGuilliermondella is reintroduced. Briefly discussed are the generaSchizosaccharomyces, Eremascus, Dipodascus, Ascoidea, Cephaloascus, Ambrosiozyma andCrebrothecium. A key is given for the genera of yeast-like “ascomycetes” with septate hyphae. Some species described asGeotrichum are transferred to other genera.     

Four new species from the Agrilus wittemani species-group (Coleoptera: Buprestidae: Agrilini) from Silent Valley National Park,Southern Western Ghats,Kerala, India

The Agrilus wittemani species-group comprising six species from South and Southeast Asia; two of these are endemic to south India. Four new species of A. wittemani species-group Jendek & Nakládal, 2017 are described in this paper: Agrilus keralensis Seena, Anand and Shibu-Vardhanan sp. nov.; A. palakkadensis Seena, Anand and Shibu-Vardhanan sp. nov.; Agrilus sahyadriensis Seena, Anand and Shibu-Vardhanan sp. nov.; A. silentvalleyensis Seena, Anand and Shibu-Vardhanan sp. nov. A key to all species is provided and complemented with illustrations of habitus and genitalia.     

New or interestingHyphomycetes on decaying pine litter from Czechoslovakia

Twenty three species ofHyphomycetes new to Czechoslovakia are listed with comments and illustrations. Seven are new to science—Blastophorum pini, Bloxmia bohemica, Junctospora pulchra, Linodochium formosum, Phaeostalagmus peregrinus, Sporidesmium doliiforme, Xiambola mirabilis—and of these, two are the types of new genera (Junctospora andXiambola). The new species and genera are described, illustrated and discussed. Anamorphs ofMytilidion gemmigenum Fuckel andPseudohelotium pineti (Batsch exFr.)Fuckel inTaeniolella andLinodochium, respectively are reported. Collections of these fungi from Britain are also cited. Data on morphology, ecology and distribution of those species occurring in both Britain and Czechoslovakia are compared.     

New taxa and combinations in the subsectionHeterophylla (Witas.) Fed. of the genusCampanula L

Two new species,Campanula gentilis andC. gelida, are described and two new combinations,C. moravica (Spitzner) comb. nova andC. moravica subsp.xylorrhiza (O. Schwarz) comb. nova, are proposed.     

Some new taxa ofPotentilla L.

Five new species and two varieties from the sectionMultifidae are described from the Sino-Himalayan region. They are referred to the affinity ofP. multifida L. andP. griffithii Hook. f.; one of the new species is probably related toP. gerardiana Lindl. and one is intermediate between the species of the sectionsMultifidae andNiveae.