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Distribution of the subcutaneous vessels in the head region of the ganoids, Polyodon and Lepisosteus
Illustrations of exotic entomology : containing upwards of six hundred and fifty figures and descriptions of foreign insects, interspersed with remar…
The formation of vegetable mould, through the action of worms, with observations on their habits
Flora of the Lancetilla Valley, Honduras
Flora of the Aguan valley and the coastal regions near La Ceiba, Honduras
The American species of Passifloraceae
Studies of American plants III
Contributions to North American Euphorbiaceae-- v: 1. "Euphorbia adenoptera" in North America. 2. Chamaesyceae novae. 3. Notulae hypericifoliaearum
A new genus of Compositae from northwestern Alabama
Flora of Costa Rica ...