-
A new species of Galium (Rubiaceae) from Guatemala
Volume 26, Page 12
-
Additional notes on the Eriocaulaceae. XLIII
Volume 26, Page 15
-
Sudies in Ichnanthus (Gramineae). III. Additional new taxa in section Foveolata
Volume 26, Page 57
-
Schlegelia costaricensis: a familial transfer to Boraginaceae
Volume 26, Page 67
-
Fourth expedition to Nicaragua
Volume 26, Page 86
-
New taxa and combinations in Machaerium (Leguminosae). IV
Volume 26, Page 100
-
Sommera (Rubiaceae) in North America
Volume 26, Page 121
-
Tropical American plants. XIV
Volume 26, Page 127
-
Notes on the flora of Costa Rica, 2. Hedyosmum of the Chloranthaceae
Volume 26, Page 131
-
Tribal revisions in the Asteraceae. IX. The relationship of Ischnea
Volume 26, Page 153
-
Studies in the Eupatorieae (Asteraceae). CXIII. A new genus, Matudina
Volume 26, Page 170
-
Notes on new and noteworthy plants. LIX
Volume 26, Page 177
-
Additional notes on the Eriocaulaceae. XLV
Volume 26, Page 179
-
The combination of Begonia fuchsiaefolia (A. DC.) Warburg
Volume 26, Page 217
-
Transfer of Relbunium sphagnophilum (Rubiaceae) and R. mazocarpum to Galium
Volume 26, Page 221
-
Geophila (Rubiaceae) in North America
Volume 26, Page 263
-
Studies in Mexican and Central American Solanaceae
Volume 26, Page 265
-
A new Swartzia from Suriname
Volume 26, Page 279
-
Field and garden studies in Crotalaria sagittalis L. and related species
Volume 26, Page 289
-
Synopsis of the genus Philoglossa (Liabeae, Asteraceae)
Volume 26, Page 381
-
Notes on the flora of Costa Rica,3. New species in the Moraceae
Volume 26, Page 421
-
A new Spiranthes (Orchidaceae) from Guatemala
Volume 26, Page 435
-
Studies in Bignoniaceae IX: New species of Dendrosicus and Pachyptera
Volume 26, Page 439
-
Studies in the Senecioneae (Asteraceae). I. A new genus, Pittocaulon
Volume 26, Page 451
-
A new species of Brunellia from Panama
Volume 26, Page 485
-
Tropical American plants, XV
Volume 26, Page 487