JOURNAL 
OF 
The New York Botanical Garden 
VoL. XVIII September, 1917 No. 213 
THE TREE CACTI OF THE FLORIDA KEYS 
(WITH PLATE 206) 
ing the earlier half of the last century, perhaps in the 
f a large cactus with columnar and 
t. 
bu was not brought to i 
until the publication of the first a of Chapman’s “ Flor 
of its isolated core and limited geo- 
geo ame and partly on account of the difficulty 
making good or e i 
r- 
esting plant was either ignored or associated with a then little- 
k Pett]: fact] 1 1 ae +} sat 
ae 
described from somewhere in the West Indies. 
After an interval of ab fifty years the rs were again 
no i 
yy an an interval, this 
time of about twenty-five years atte ie without further 
reference to the plant. 
[Journax for August, 1917 (18): 177-198 
199 
20, 1917.) 
