158 



Distri- 

 bution 



E 



E 



H 



H 



E 



V 

 HV 



H 

 RV* 



R*V 1 



V* 

 HV 



V* 



E 

 RV 



HV* 



E 



H*RV 



HR*V* 



HRV* 



HRV* 



HV 



E 



V* 



H*R*V* 

 E 

 E 



HV 

 H 

 E 

 E 



Perennial or biennial. 



A summary of the species and growth-forms in the above 

 list gives the result that out of 768 species 87 are Faner- 

 ophytes, 52 Chamaephytes, 210 Hemicryptophytes, 70 Geo- 

 phytes, 38 Hydro- and Helophytes, and 310 Therophytes. There 

 is also one species of Cuscuta. These numbers calculated as 



