Seed formulae 
400 BOTANICAL GAZETTE [MAY 
three locules are longer than those in which they are as much dis- 
tributed as possible among the three. It follows that mechanical 
Length of pod 
5 5-5 6 6.5 7 7-5 
é 
q 
aoe miveis 
Maen. 
2-0-0 F 
best aa Ha fe) e 
ace ya oe 
3-1-0 fF q 
Fic. 5.—Mean lengths of pod for different seed-formulae and total number of 
seeds per fruit; solid dots and lines=1906; circles and broken line = 1907. 
stretching of the pod has had little or no part in the bringing about 
of the correlation between length and number of seeds developing. 
