434 THE STORY OF PLANT LIFE 



Order 12. Sarraceniales. — Flowers hemi- 

 cyclic to cyclic, homo- or heterochlamydeous, hypo- 

 gynous, regular ; gyncecium inferior (3-5), with 

 parietal or axile placentae and numerous ovules ; 

 seed small with endosperm ; herbs, with alternate, 

 entire, insect-catching leaves. 



Family. Droseraceae (Vol. II, p. 224). — Flowers 

 actinomorphic, cyclic, heterochlamydeous, bisexual; sepals, 

 petals, and stamens 4-5, hypogynous or perigynous ; ovary 

 syncarpous, unilocular, carpels (3-5) j ovules numerous, 

 on 2-5 parietal placentae ; fruit a 2-5-valved capsule. 

 Genus. Drosera (Vol. II, p. 226). 



Order 13. Rosales.— Flowers cyclic, hetero- 

 chlamydeous, or apetalous, hypogynous to epigynous, 

 regular or zygomorphic ; carpels free or united. 



Sub-Order i. Saxifragine^e. — Carpels and petals 

 equal in number or fewer. Endosperm generally abundant, 

 except in Crassulaceie. 



Family i. Crassulaceae. — Flowers actinomorphic, 

 cyclic, heterochlamydeous, perigynous, parts 3-30, usually 

 bisexual; calyx and corolla 4- 12 -partite, united in 

 Cotyledon ; carpels free, usually 3 ; fruit an aggregate of 

 follicles. 



Genera. Sedum (Vol. II, p. 222), Sempervivum^ 

 Cotyledon (Vol. II, p. 219), Crassula (in- 

 cluding TlUaa). 

 Family 2. Saxifragaceae (Vol. II, p. 211). — Flowers 

 actinomorphic, cyclic, usually heterochlamydeous, bisexual. 



