BROWN UNIVERSITY 
DEPARTMENT OF BOTANY. 
W. WHITMAN BAILEY, A. M., 
Professor. 
J. FRANKLIN COLLINS, B. P., 
Curator of the Herbarium ■ 
HAVEN METCALF, A. B., 
Instructor. 
PRDI7IUENCE, R. I., .. .A.tan. , | Qj . 1B3J 
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