BLUE 1 



(First, see whether plant falls in Class I or II; thei- 

 is reached, this number i 



I. Leaves opposite 



. n raceme 



fl. apparently 

 solitary or few- 



fl. in cluster 



[corolla 4-parted (i) 



o 



I otherwise (2) 



1. axillary (3) 

 [fl. terminal (4) 



fl. axillary (5) 

 [otherwise (6) 



II. Leaves otherwij 



[H. in raceme ^7 



climbing, spreading -- 1 fl. in cluster ^8 

 or trailing |_I~3 floweis (9; 



TVS. in water (10) 



upright 



otherwise 



Ivs. from ro 

 only 



otherwise 



