402 BOTANICAL GAZETTE [NOVEMBER 





TABLE I 
: = seas ee LA ae RP VEE ES ances 
Av. length Av. width Ratio W. 
mm. | mm. L. 
PEPALY. 6... wee eee eee eee eee S502 | 33, 14. 1.67 
Kigney bean oe ve eS. 47.32 45-86 1,01 
LNA DeBGe eoi hu et toa 72.8 66.89 1,08 

The apices of all the leaves of the tepary are more acute than 
those of either the kidney or lima beans, and they are also much 
smoother (not crumpled and rough). 
ye ee 
af 


Fic. 3.—Typical leaves of bean (a) and tepary (0) 
The length and breadth of the terminal leaflets of 100 normal 
mature leaves taken at random and including several varieties 
each of both beans and teparies were measured with the following 
results: 



TABLE II 
epee 
Ae. lendili Av. breadth in parte 
v. — Vv ee Ratio B. 
Teparies. .. 6 
yes ee 3.80 36.50 ne 
BO. ea ee 78.80 64.70 oo 


The flowers of the tepary are smaller than those of the bean, 
the wings are narrower in comparison with their length, and the 
