LEGUMINOS^ 437 



per head than the first crop. The flowers are of the ordinary 

 pea type, except that the petals are united at their bases and 

 to the staminal tube to form a corolla-tube about ]4, inch 

 long. 



Fig. 184.' — Crimson clover (Trifolium incarnatum), on left; common red 

 clover (T. pratense), on right. 



Fruit. — The ovary develops into a capsule, bearing one 

 seed. There are two ovules in each ovary, but only one, as 

 a rule, matures into a seed. Infertile ovules are quite com- 



