Vol. XVI JUNE, 1915 No. 186 
JOURNAL 
OF 
The New York Botanical Garden 
EDITOR 
ARLOW BURDETTE STOUT 
Director of the Laboratories 
CONTENTS 
PAGE 
Further Botanical Exploration of Porto Rico. . ...- +--+ tee eee 103 
Sol ao Ttiee TOE hgh 2 ele sD SM ee ek eRe a a 113 
Motes; Newsand Comment......... -+--esersseertes 116 
Seu NIIP ee eg ee ee See 118 
PUBLISHED FOR THE GARDEN 
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