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Bot ae OF 
>. BSS 
STRUCTURAL AND 
a OTTO W. THOME 
ORDINARY PROFESSOR OF BOTANY AT THE SCHOOL OF SCIENCE AND ART 
COLOGNE. 
a 
TRANSLATED AND EDITED 
BY 
ALFRED W. BENNETT, M.A. B.Sc. F.LS. 
/ LECTURER ON BOTANY AT ST. THOMAS’S HOSPITAL 
AUts 6 
Xe 
: NEW YORK SC/AL couec™ 
JOHN: WILEY & SONS, 15 ASTOR PLACE. 
1877 
