Notes on Collybia V. Gymnopus section Levipedes in tropical South America, with comments on Collybia Roy E. Halling Articles Pages: 487 - 494
Zornia confusa, a new species of Zornia section Anisophylla (Leguminosae) Ricardo Vanni Articles Pages: 495 - 497
A new species of Ageratina (Asteraceae: Eupatorieae) from northwestern Oaxaca José L. PaneroJosé L. Villaseñor Articles Pages: 498 - 500
The circumscription of Karimbolea Descoings (Asclepiadaceae) Sigrid LiedeUlrich Meve Articles Pages: 501 - 507
A new species of Calyptranthes (Myrtaceae) from southeastern Brazil Maria Lúcia Kawasaki Articles Pages: 508 - 510
Cyathea concordia (Cyatheaceae), a new pinnate-pinnatifid tree fern from the Peruvian/Ecuadorian border B. LeónR. C. Moran Articles Pages: 511 - 513
Four new species of Cavendishia (Ericaceae: Vaccinieae) from Costa Rica James L. LuteynJ. Francisco Morales Articles Pages: 514 - 519
Nymphaea tetragona and Nymphaea leibergii (Nymphaeaceae): two species of diminutive water-lilies in North America John H. Wiersema Articles Pages: 520 - 531
A new combination in Stigmaphyllon (Malpighiaceae), and notes on the publication dates of Hooker's Botanical Miscellany Christiane anderson Articles Pages: 542 - 543
New endemic species of Aneilema and Commelina (Commelinaceae) from Somalia Robert B. Faden Articles Pages: 544 - 550
Oletheriostrigula, a new genus for Massarina papulosa (Fungi, Ascomycetes) Sabine M. HuhndorfRichard C. Harris Articles Pages: 551 - 555
Branching in Syagrus cocoides (Arecaceae) in Maranhão, northeastern Brazil Claudio Urbano B. PinheiroMichael J. BalickJosé Mário F. Frazão Articles Pages: 556 - 565
New taxa of Asteraceae from southern Mexico José L. PaneroJosé L. Villaseñor Articles Pages: 566 - 573
A new species of Acanthosyris (Santalaceae) from Bolivia and a key to the woody South American Santalaceae Michael Nee Articles Pages: 574 - 579
A new species of Rourea (Connaraceae) from the Venezuelan Guayana Gerardo A. AymardPaul E. Berry Articles Pages: 580 - 581
Revision of the dioecious genus chersodoma phil. (Senecioneae, Asteraceae), including a new species and status change Michael O. DillonAbundio Sagástegui-Alva Articles Pages: 582 - 604
Redefinition of the neotropical genus Anthopterus (Ericaceae: Vaccinieae), including one new species James L. Luteyn Articles Pages: 605 - 610
Amino Acids and Their Derivatives in Higher Plants Barbara Meurer-Grimes Book reviews Pages: 612 - 613
Pyrethrum Flowers. Production, Chemistry, Toxicology, and Uses Barbara Meurer-Grimes Book reviews Pages: 613 - 614
