74 VASCULAR PLANTS. 



Family XXXIII. Philadelpheae. 



Ovary inferior or half inferior. Number of 

 carpiclia disposed to correspond with calyx- 

 lobes. Fruit a capsnle. Leaves opposite. 



l. Whipplea, Torr. 



Stamens 5. Pistils 3 — 5. Ovary 3 — 5-locu- 

 lar; locnli 1-ovulate. Fruit a septicidal capsule. 



^ . flowers white. 



Family XXXIV. Crassulaceae. 



Calyx, corolla and stamens alternating; if the 

 stamens form 2 circles, the inner opposite to 

 the petals. Ovaries opposite the petals. Fruit 

 follicles, centrally dehiscent. 



1. Cotyledon, L- (Echeveria, DC.) 



Calyx 5-parted. Petals 5, coherent by their 

 claws. Stamens 10. 



^ . fleshy, flowers yellow, red. 



2. Sedum, L. 



Petals 5, entirely free. Stamens 10. 

 21. fleshy. 



3. Tillaea, L. 



Stamens as many as the petals. 0. 



Family XXXV. Ficoideae. (Of doubtful affinity.) 



Calyx inferior. Petals go. Stamens go, 



