28 F.\MILY KEY 



GG. Either leaves not as above in all characters, or else flowers not in heads. 

 H. Leaves very fleshy; flowers in cymes, usually yellow. 



Crassulaceae (p. 117) 

 HH. Leaves either not fleshy or else the flowers in long narrow spikes. 

 I. Leaves all basal; flowers in spikes; corolla scarious, veinless. 



Planiaginaceae (p. 210) 

 n. Either leaves not all basal or else the flowers not in spikes; corolla not 

 scarioys, veined. 

 J. Ovary deeply 2- or 4-lobed, maturing into 2 or 4 separate or separable 



nutlets. BORAGINACEAE (p. 187) 



JJ. Ovary not deeply lobed, not maturing into separate nor separable 



nutlets. 

 K. Style 3-cleft at apex; capsule 3-ceUed. Polemoniaceae (p. 183) 



KK. Styles or stigmas 1-2 ; capsule 1-2-celled. 

 L. Stamens opposite the coroUa lobes; ovary i-celled; placenta central; 

 style I ; stigma capitate. Peimulaceae (p. 175) 



LL. Stamens alternate with the corolla lobes; often differing from the 

 above in some of the other characters. 



M. Corolla 20 mm. or more long. Solanaceae (p. 196) 



MM. Corolla 16 mm. or less long. 

 N. Fruit a berry; inflorescence not scorpoid; style i. 



Solanaceae (p. 196) 

 NN. Fruit a capsule; inflorescence somewhat scorpoid; styles often 2. 



Hydrophyllaceae (p. 185) 

 AA. Ovary inferior or mainly so. 

 O. Vine with tendrils. Cuctirbitaceae (p. 216) 



00. Not a vine; tendrils none. 

 P. Flowers not in heads. 

 Q. Corolla regular; stamens distinct. Campanulaceae (p. 216) 



QQ. Corolla irregular by not being equally split between the lobes; stamens 

 united by their anthers. Lobeliaceae (p. 217) 



PP. Flowers in heads. Composiiaceae (p. 218) 



