VACCINIACEJE. CRANBERRY TRIBE. 389 



LOBELIA DORTMANNA (Water Lobelia). 



ORD. XLIX. VACCmiACKE. THE CRANBERRY 

 TRIBE. 



Calyx growing from the ovary, of 4 6 lobes, which 

 are sometimes so shallow as to be scarcely perceptible ; 

 corolla of one petal, with as many lobes as the calyx ; 

 stamens not united, twice as many as the lobes of the 

 corolla, inserted into the disk of the ovary ; anthers open- 

 ing by 2 pores, and often furnished with 2 bristles; 



