71 
belief, not to say piaeane once prevalent among the natives 
about Charleston,* to the effect that this plant was never seen 
y 
vidual small clumps of intricate joints bore more than a hundred 
erries. The exceedingly loosely articulated structure of this 
cactus was referred to in former papers.{ The fruits are even 
less firmly attached to the joints than the joints are to 
Harper has told me of an observation he made on one 
of the sea-islands of North Carolina, where a number of joints 
of this very small but viciously armed prickly- -pear had become 
are mostly turbinate-ovoid, about an inch long, few-seeded, and 
of a rich purple color. The apex is pentagonal-umbilicate, and 
somewhat depressed at the center. The pulp is sweetish and de- 
us. 
I spent the day collecting in the pine wens west of the 
town and incidentally visited the grave§ and old home of the 
* Journal of the New York Botanical Garden 18: 244. I917. 
t Journal of the New York Botanical Garden 18: 244. 1917, and a 3. r918. 
t Journal of the New Vork tpaeioge Garden 18: 237- tee 19 
On Dr. 
iant plants f the Florida arrowroot abe eared These plants are said to 
have been propagated from specimens bro to Apalachicola many years ago 
from southern Florida by Dr. Chap! 
