VARIATION IN INDIGOFERA SUM ATE, AN A, GAERTN. 



61 



Leaf percentage. 



(3) Intermediate area : 



Jhind 62-5 



(4) Ganges area : 



Kasganj ....... 59*2 



Delhi 58-8 



Rhotak 57-9 



Chaubepur ( = Cawnpur) . . . 56*3 



Average 58 0 



At first sight it may possibly be thought that these figures do not 

 agree with the statement, previously made, that the plant of the Sukkur 



Fig. 14. — Rhotak Plant. 



and Punjaub areas bears the impress of a xerophytic tendency. Further 

 consideration, however, will show that this is not so. The robust and 

 vigorous growth of the plant from the Ganges area necessitates a consider- 

 able length of bare stem, which may be as much as 1 inch in diameter. 

 The low and spreading habit of the plant from the former area, on the 

 contrary, admits of a thin stem (rarely 0*5 inch in diameter) clothed 

 almost to the ground with leaf. 



In dealing with a cultivated plant, in the seed of which a large trade 

 is conducted, it seemed quite possible that a considerable check to the 

 establishment of local varieties would be encountered in the importation 



