[Various articles on Echinocystissmegarrhiza, Trifolium
Subtitle: West American Asperifoliae, Zauschneria, Asteroid Compositae, Collinsia, Potentilla, American Polemoniaceae, New Species from Mexico, and Catalogue of Flowering Plants of San Miguel Island, and other articles.]
Published: 1887
Language: eng
Notes: From: Pittonia. 1887-1888. v. 1-2, p. 1-160.