-
A New Genus of the Acanthaceae
Vol 15, Page 1, Date 1928
-
A Monograph of the American Species of the Genus Dyschoriste
Vol 15, Page 9, Date 1928
-
Studies in the Umbelliferae. I
Vol 15, Page 91, Date 1928
-
Concerning the Status of the Genus Laternea
Vol 15, Page 109, Date 1928
-
Sources of Energy for Azotobacter, with Special Reference to Fatty Acids
Vol 15, Page 113, Date 1928
-
The Effect of Ultra-Violet Radiation Upon Higher Plants
Vol 15, Page 169, Date 1928
-
A New Variety of Vernonia Lindheimeri
Vol 15, Page 333, Date 1928
-
Dysosma: A New Genus of Berberidaceae
Vol 15, Page 335, Date 1928
-
Studies in the Apocynaceae. II. A Revision of the Genus Stemmadenia
Vol 15, Page 341, Date 1928
-
Studies in the Apocynaceae. III. A Monograph of the Genus Amsonia
Vol 15, Page 379, Date 1928