I. Leaves mostly opposite- 



II. Leaves otherwise- 



LAVENDER TO 



(First, see whether plant falls in Class 1 or II; tht W 



H. in raceme (i) 

 fl. in head (2) 

 fl. in spike (3) 

 fl. in whorl {4) 



fl. sol. or few- 



fl. in cluster- 



climbing, spreading- 

 or trailing 



upright - 



is reached, this number 



01 



ic 



fl. axillary (5) 

 fl. terminal (6) 



Jfl. axillary (7) p^^ 

 [fl. otherwise — 



coroll 

 other\ 



e 



HB. in raceme (10) 

 - fl. in cluster (11) 

 |fl. in head (12) 



no leaves (13) 

 leaves in water (14) 



otherwise 



Ivs. fr. 

 only 



othen\i; 



