Physalis (Solanaceae) and allied genera: Tzeltalia, a new genus from the highlands of southern Mexico and northwestern Guatemala Enrique EstradaMahinda Martínez Articles Pages: 285 - 295
Matelea gracieae Morillo, a new species from French Guiana, and Cynanchum gortsianum Morillo, a new record for Suriname Gilberto Morillo Articles Pages: 296 - 300
Coastally restricted forests. Edited by Aimlee D. Laderman Thomas A. Zanoni Book Review Pages: 300 - 300
A new species of Sorghastrum (Poaceae) from Isla Socorro, Colima, Mexico Patricia DávilaLidia I. CabreraRafael Lira Articles Pages: 301 - 308
Notes on calycophyllous Rubiaceae. Part III. Systematic position of the monotypic Mexican genus Cosmocalyx and notes on the calycophyll development Piero G. Delprete Articles Pages: 309 - 317
Notes on calycophyllous Rubiaceae. Part IV. The monotypic Brazilian genus Blandibractea Wernham is a Simira (Rondeletieae) Piero G. Delprete Articles Pages: 318 - 323
Leaf variation in a tree of Pourouma tomentosa (Cecropiaceae) in French Guiana Dwight T. KincaidPatti J. AndersonScott A. Mori Articles Pages: 324 - 338
A new species of Ulmus (Ulmaceae) from southern Mexico and a synopsis of the species in Mexico Carol A. TodziaJosé L. Panero Articles Pages: 343 - 347
A revision of Helietta and Balfourodendron (Rutaceae-Pteleinae) José Rubens Pirani Articles Pages: 348 - 380
Allelic variation in the amphitropical disjunct Muhlenbergia torreyi (Poaceae: Muhlenbergiinae) Paul M. PetersonJuan Javier Ortíz-Diaz Articles Pages: 381 - 391
Index to American Literature William R. BuckScott V. HealdThomas A. Zanoni Announcement Pages: 392 - 415
