-
Flora of Panama. Part III. Fascicle IV
Vol 36, Page 1, Date 1949
-
Flora of Panama. Part III. Fascicle I
Vol 36, Page 133, Date 1949
-
New Species of Lonchocarpus from Panama
Vol 36, Page 281, Date 1949
-
Some Pteridosperm Stems and Fructifications with Particular Reference to the Medullosae
Vol 36, Page 287, Date 1949
-
Maize Among the Hill Peoples of Assam
Vol 36, Page 355, Date 1949
-
On Some Uses of Maize in the Sierra of Ancash
Vol 36, Page 405, Date 1949
-
Spores of the Genus Selaginella in North America North of Mexico
Vol 36, Page 413, Date 1949
-
The Cytology of Paphiopedilum Maudiae Hort
Vol 36, Page 433, Date 1949
-
Stegnosperma: A New Species and a Generic Commentary
Vol 36, Page 475, Date 1949
-
Nucellangium, a New Genus of Fossil Seeds Previously Assigned to Lepidocarpon
Vol 36, Page 479, Date 1949
-
A Revision of the Genus Heliocarpus L
Vol 36, Page 507, Date 1949
-
New Apocynaceae of South America
Vol 36, Page 543, Date 1949