KEY TO THE FAMILIES 



Style 3 -cleft in mature 

 flowers; fruit a 



capsule 



.... Polemoniacese 73 

 Ovules few; stigmas 

 2-3 (rarely 4); 

 fruit a capsule. 

 Ovary 1-2-celleci .... 



. . . Convolvulacesp 72 

 Ovary 3- (rarely 4-) 



celled 



.... Polemoiiiace*e 73 

 Stamens less in number than corolla- 

 lobes. 

 Stamens 2 Veronica in Serophulariacese 87 



Stamens 4 Verbenaeca? 81 



Corolla irregular. 



Ovules and seeds solitary in the cells. 



Ovary not lobed Verbeiiacea* 81 



Ovary 4-lobed Labiatre 82 



Ovules and seeds 2 or more in each cell. 

 Trees with large, showy flow- 

 ers Bi&noiiiaeen* 89 



Herbs Scroplmlarlaoeee 84 



Ovary "inferior." 



Flowers not in an involucrate head; anthers 



not united. 

 Stamens 4-5, as many as corolla-lobes. 



Leaves whorled; herbs. . .Rubluoete 90 

 Leaves opposite or perfoliate; 



shrubs Caprifoliacew 91 



Leaves alternate; herbs 



<:> tii p:i mil ;i <<; 93 



Stamens 1-3, always less than corolla- 

 lobes Valerianaceae 92 



Flowers in an involucrate head; anthers 

 united into a tube enclosing the pis- 

 til (nearly distinct in Iva) . Composite 94 



