ESCRIPTIONS OF NEW PLANTS, CHIEFLY GAMOPETALZ, 
COLLECTED IN MEXICO BY C. G. PRINGLE 
IN 1889 AND 1890. 
BY 
B. L. ROBINSON. 
FROM THE PROCEEDINGS OF THE AMERICAN ACADEMY OF Anrs AND nese 
Vou. XXVI. 
IssueD Juty 31, 1891. 
