DIOECIA. OCTANDRIA. _ 
subturbinate, 5 to 8-parted, 3 to 5 of the seg- 
ments interior. Stamina 6 to 8, (rarely 5.) Fem. 
‘Spiny trees, spines very large, mostly axillary; prima- 
ry leaves pinnate, succeéding ones bipinnate; flowers ax- 
 illary, racemose, male flowers crowded; legume mostly 
- Jong and falcate, ori we in G. monosperma 1-seed- 
Srecigs. 1. G. eiehasitics Ons. A very deceptive tri- 
vial name, the spines being not only trifid but often ages 
Sule erously compounded. ‘The specific cha 
-racter of G. horrida, of China, “ trunk spiny, spines 
branched,” ig'a familiar appearance of G. triacanthos in 
the United States; the unimportant character of spines 
in this genus is sufficiently evident in the ordinary o¢ecur- 
rence of individuals of this species entirely wi 
them. 2, monosperma. A smaller tree than 
ding. 
Of this genus there appears to be another species indi- 
genous to gens and China, 
a 
“Onven VIII.—OCTANDRIA. — 
ei Corolla turbinate, a alig 
_ Fem. Flower as in she male. 4 7 
as in t 
aes 
ridge, Pennsyh 
na Cotton-Tree. 
