KEY TO THE FAMILIES xi. 



Leaves not stipulate; stamens 



5 Liinacete 53 



Ovary "inferior." 



Fruit a 4-celled capsule . Onagracece 62 

 Fruit of 2 dry seed-like carpels, 

 which when ripe often split 

 longitudinally; flowers in 



umbels Umbelliferae 65 



Corolla with petals, or some of them, united (at base 



at least). 



Stamens exceeding- in number the corolla-lobes. 

 Ovary 1-celled. 



Sepals 5; leaves usually compound; not 



fleshy i .,-uu ni i iH.-v.-,- 46 



Sepals 4-5; leaves simple, fleshy .Crassulacese 38 



Sepals 2; leaves compound Fumariacere 28 



Sepals 2; leaves simple Portulacaceae 22 



Ovary 3-many celled. (Petals united by being 

 attached to the base of the tube of 



filaments) Malvaceae 57 



Stamens not exceeding in number the corolla-lobes. 

 Ovary "superior." 



Corolla regular or nearly so. 



Stamens of the same number as the 



corolla-lobes. 

 Ovaries 2, united only at apex of 



fleshy disk. . . . Asclepediacere 71 

 Ovary 1. 



Deeply 4-lobed. 



Leaves alternate; mostly 

 rough-hairy plants. . . . 



Boraginacexe 77 



Leaves opposite; not rough- 

 hairy Labiatee 82 



Not deeply 4-lobed. 



1-celled; stamens 5; leaves 

 coarsely - toothed or 

 compound; pod opening 



lengthwise 



Hydrophyllacese 76 



2-5-celled. 



Stamens 4; leaves entire 

 or finely - toothed; 

 pod opening cross- 

 wise . Plaiitagiuaceee 89 

 Stamens 5. 

 Ovules many. 

 Style and stigma 1; 



fruit a berry 



. Solanacee 84 



