A new species of erigeron (Compositae: Astereae) from Chile Hugo ValdebenitoTimothy K. LowreyTod F. Stuessy OriginalPaper Pages: 1 - 3
Notes on some Mimosae (Leguminosae: Mimosoideae) of the Chihuahuan Desert akin to M. zygophylla Rupert C. Barneby OriginalPaper Pages: 4 - 8
A new species of solanum section petota (Solanaceae) from northern Peru Michael D. WhalenAbundio Sagástegui A.Sandra Knapp OriginalPaper Pages: 9 - 12
Notes on quiina (Quiinaceae) and ilex species (Aquifoliaceae) in Cuba Richard A. Howard OriginalPaper Pages: 13 - 16
A new species of ceratozamia (Zamiaceae) from Veracruz, Mexico with comments on species relationships, habitats, and vegetative morphology in ceratozamia Dennis Wm. StevensonSergio SabatoMario Vázquez Torres OriginalPaper Pages: 17 - 26
C. S. Sargent’s crataegus (Rosaceae) types from western Pennsylvania Wm. Wayt ThomasDavid E. Boufford OriginalPaper Pages: 27 - 31
A new species of flourensia (Asteraceae: Heliantheae) from northern Peru Michael O. Dillon OriginalPaper Pages: 32 - 34
Studies in lignicolous ascomycetes: Xylopezia and mycowinteria Martha Sherwood-PikeJean Boise OriginalPaper Pages: 35 - 44
A new species of selaginella section articulatae (Selaginellaceae) from Paraguay William R. Buck OriginalPaper Pages: 45 - 47
Corrections to forsstroemia including bryonorrisia, gen. nov. (Anomodontaceae) Lloyd R. StarkWilliam R. Buck OriginalPaper Pages: 48 - 54
A new species of socratea (Palmae) from Colombia with notes on the genus Rodrigo Bernal-GonzálezAndrew Henderson OriginalPaper Pages: 55 - 59
Aiphanes macroloba and aiphanes monostachys (Palmae) Rodrigo Bernal-González OriginalPaper Pages: 65 - 70
A new species of arthropogon (Gramineae: Arthropogoneae) and a revised key for the genus Tarciso S. Filgueiras BriefCommunication Pages: 71 - 72
The vascular plants of south dakota. Second edition. By theodore van bruggen Arthur Cronquist Book Review Pages: 72 - 72
Myriophyllum quitense and myriophyllum ussuriense (Haloragaceae) in British Columbia, Canada Oldriska CeskaAdolf CeskaPatrick D. Warrington OriginalPaper Pages: 73 - 81
A new hexastylis (Aristolochiaceae) from Transylvania county, north Carolina Lacy L. Gaddy OriginalPaper Pages: 82 - 85
The infrageneric classification of biscutella (Cruciferae) J. Dele Olowokudejo OriginalPaper Pages: 86 - 88
A new species of solanum section geminata (Solanaceae) from western Mexico Sandra Knapp OriginalPaper Pages: 89 - 91
Cladistics: Perspectives on the Reconstruction of Evolutionary History Steven P. Churchill Book Review Pages: 92 - 93
