A new name and new combinations in Campomanesia and Pimenta (Myrtaceae)

One new name is proposed and eleven new combinations are made inCampomanesia andPimenta. Lectotypes are selected forC. eugenioides var.desertorum, C. phaea, andP. racemosa var.hispaniolensis, var.ouza, and var.terebinthina.     

New taxa in Pectis (Compositae: Pectidinae) from Mexico and the southwestern United States

Pectis minutiflora,P. papposa var.grandis, andP. purpurea var.sonorae are described as new. A new combination,P. purpurea var.lancifolia also is included. Chromosome counts (n = 12) are reported forP. papposa var.grandis andP. purpurea var.sonorae.     

New combinations in Pediomelum (Leguminosae: Psoraleeae)

Three new combinations includePediomelum pariense, P. megalanthum var.retrorsum, andP. megalanthum var.epipsilum.     

Dragma hippomanicum X: Astragali (Leguminosae) nevadenses novi criticive,singulo peruviano adjecto

One new species,Astragalus tiehmii, and two new varieties,A. convallarius var.margaretae andA. oophorus var.lavinii, are described from Nevada; the relationships of each are discussed and the first is illustrated. Two new combinations,A. eurylobus (Barneby) Barneby andA. serenoi var.shockleyi (M. E. Jones) Barneby are proposed and defended. A new species,A. bryogenes, is described from high Andean Peru (Junín).     

New combinations for Panicum subgenus Panicum and subgenus Dichanthelium (Poaceae) of the Southeastern United States

Twenty-two new varietal combinations are made for the treatment of the genusPanicum of the Southeastern United States. The following 3 new combinations are made in the subgenusPanicum:Panicum rigidulum var.elongatum, P. rigidulum var.pubescens, P. rigidulum var.combsii. The following 19 new combinations are made in the subgenusDichanthelium:P. strigosum var.glabrescens P. strigosum var.leucoblepharis, P. dichotomum var.roanokense, P. dichotomum var.lucidum, P. dichotomum var.ramulosum, p. dichotomum var.mattamuskeetense, P. dichotomum var.yadkinense, P. ensifolium var.curtifolium, P. chamaelonche var.breve, P. portoricense var.nashianum, P. acuminatum var.fasciculatum, P. acuminatum var.unciphyllum, P. acuminatum var.columbianum, P. acuminatum var.lindheimeri, P. acuminatum var.densiflorum, P. acuminatum varlongiligulatum, P. acuminatum var.leucothrix, P. ovale var.pseudopubescens, andP. ovale var.villosum.     

New species and varieties of Connarus (Connaraceae) from Brazil,Venezuela, and adjacent countries

Four new species (Connarus celatus, C. marlenei, C. portosegurensis andC. rigidus) and four new varieties (Connarus erianthus var.pedicellatus,C. erianthus var.stipitatus, C. perrottetii var.rufus, andC. venezuelanus var.orinocensis) are described and illustrated, in preparation for the forthcoming Monograph of the Connaraceae in Flora Neotropica.     

New species and combinations in Odontonema (Acanthaceae)

Six new species ofOdontonema are described:Odontonema album, O. amicorum, O. breedlovei, O. laxum, O. mortonii andO. speciosum. In addition two new combinations are proposed forOdontonema,O. glaberrimum andO. nitidum var.album, and nine species are transferred fromOdontonema to other acanthaceous genera, namelyAnisacanthus ramosissimus, Buceragenia foliaceo-bracteata, Pseuderanthemum cuspidatum, P. hookerianum, P. interruptum, P. paniculatum, P. stenostachyum, Stenostephanus longistaminus andStreblacanthus dubiosus.     

New taxa and combinations in Malvastrum A. Gray (Malvaceae: Malveae)

The genusMalvastrum A. Gray is interpreted to include 22 taxa in 14 species. Seven taxa are here described as new, namely:M. americanum var.stellatum,M. tomentosum subsp.pautense,M. bicuspidatum subsp.campanulatum,M. bicuspidatum subsp.oaxacanum, M. bicuspidatum subsp.tumidum var.tumidum, M. bicuspidatum subsp.tumidum var.glabrum, andM. coromandelianum subsp.fryxellii. In addition, two new combinations are proposed, namely:M. tomentosum andM. coromandelianum subsp.capitato-spicatum.     

New taxa and combinations in Agastache (Lamiaceae)

Diagnoses are given for the following new taxa:Agastache eplingiana, A. micrantha var.durangensis, A. pallida var.coriacea,A. pallidiflora var.gilensis andA. palmeri var.leonensis. Five new combinations are made.     

New combinations and one new variety among the genera Indigofera,Robinia, and Tephrosia (Leguminosae)

This report includes: a new variety,Indigofera miniata var.florida, and five new combinations.I. mucronata var.keyensis, Robinia hispida var.kelseyi, Tephrosia angustissima var.corallicola, T. angustissima var.curtissii, andT. × floridana.     

New taxa and combinations in neotropical Juncus (Juncaceae)

Juncus arequipensis andJ. breviculmis are described as new species, andJ. ramboi subsp.colombianus as a new subspecies.Juncus arcticus Willd. var.mexicanus (Willd.), var.montanus (Engelm.), and var.andicola (Hook.) are proposed as new combinations.     

New taxa of Apiaceae,Hydrophyllaceae and Saxifragaceae from Oregon and Idaho

One new taxon from Idaho,Saxifraga bryophora A. Gray var.tobiasiae, and two from Oregon,Cymopterus acaulis (Pursh) Raf. var.gree-Ieyorum andPhacelia lutea (Hook. & Arn.)J. T. Howell var.mackenzieorum are described and compared with their nearest relatives.     

Nomenclatural changes in Polygonum section Echinocaulon (Polygonaceae)

As a result of comprehensive systematic study onPolygonum sectionEchinocaulon, three new nomenclatural changes are made:P. clarkei stat. et nom. nov.,P. subsagittatum stat. nov., andP. senticosum var.sagittifolium stat. nov.     

New combinations in Hawaiian Chamaesyce (Euphorbiaceae)

Chamaesyce is accepted at the genus level for the Hawaiian taxa. The following new combinations are made:C. celastroides var.laehiensis, C. celastroides var.tomentella, C. rockii var.grandifolia, C. skottsbergii var.vaccinioides, andC. sparsiflora.     

Dragma Hippomanicum IV. New taxa of Astragalus sect. Humillimi

Astragalus wittmannii, from northern New Mexico, representing a new subsectionNothorophaca, andA. cremnophylax var.myriorrhaphis, from northwestern Arizona, are described, figured and discussed.     

Notes on neotropical vaccinieae (Ericaceae). VI. New species from the cordillera vilcabamba and adjacent Eastern Peru

Thibaudia dudleyi var.dudleyi and var.pseudostellata,Demosthenesia cordifolia,D. oppositifolia, andD. vilcabambensis from the Cordillera Vilcabamba, andCavendishia sirensis from the Cerros del Sira in eastern Peru are described and illustrated. The Cordillera Vilcabamba seems to be the center of distribution for the genusDemosthenesia.     

New rubiaceae from French Guiana

Four new species and one new variety of Rubiaceae from French Guiana are described:Psychotria alloantha, P. cypellantha, P. squamelligera, P. viridibractea, andSipanea ovalifolia var.villosissima.     

Sphaeromeria,a genus closer to Artemisia than to Tanacetum (Asteraceae: Anthemideae)

A new species,Sphaeromeria ruthiae, from Zion National Park, and three new combinations,S. martirensis,S. compacta, andS. potentilloides var.nitrophila, are presented. Morphological and anatomical evidence is used to support the recognition ofSphaeromeria as distinct fromTanacetum.     

Nomenclatural changes in Myrteola and Myrceugenia (Myrtaceae)

The following new combinations are made:Myrteola phylicoides (Benth.) Landrum,Myrteola phylicoides var.glabrata (Berg) Landrum,Myrceugenia alpigena var.fuliginea (Berg) Landrum,Myrceugenia ovata var.regnelliana (Berg) Landrum, andMyrceugenia pilotantha var.nothorufa (Legrand) Landrum.