64 Crassulaceae — Saxifragaceae. 



\\.— COTYLEDON. 



COTYLE'DON UMBIL'ICUS (53). Penny- wort. 6—7. Sepals 5 

 (561) small, corolla campanulate with 5 teeth, stamens 10, flowering stem 

 erect 6 — 12 in. bearing a long raceme of pendulous greenish yellow 

 flowers, leaves peltate orbicular crenate. Rocks and walls. 



III.— SEMPER VIVUM. 



Sepals usually 12, stamens 12 (with 12 imperfect ones). 



SEMPERVI'VUM TECTO'RUM. House-leek. 6—7. Barren shoots 

 (573) densely covered with ovate lanceolate ciliate leaves in a rose-like tuft, 

 flowering stem stout with scattered leaves, leaves fleshy, flowers ^ — I 

 inch diimeter purple, petals lanceolate ciliate. Roofs. 



ORDER 31. — Saxifragaceae. 



Calyx gamosepalous superior or inferior. Corolla polypetalous. ^ Petals 5. 

 Stamens 5 — 10 perigynous. Pistil syncarpous of 2 carpels diverging at the 

 apex. Stigmas sessile. Ovules numerous. Leaves simple (entire or divided) 

 alternate exstipulate. 



Petals none Chrysosplenium II. 



Petals 5, 279 



279 Stamens 5, capsule i -celled, .... Parnassia III. 



279 Stamens 10, capsule 2-celled, . . . Saxifraga I. 



l.—SAXIFRAGA. 



Calyx 5-lobed, petals 5. stamens 10, leaves more or less cut, capsule 

 with 2 beaks 2-celled many seeded. 



Flowers yellow, S. aizoides. 



Flowers white or pink, 280 



280 Calyx reflexed, flowers in panicles, 281 

 280 Calyx spreading, 282 



281 Leaves orbicular or renifoi-m, S. Geum. 



281 Leaves obovate or wedge-shaped, 283 



282 Leaves divided, 284 



282 Leaves not divided, S. oppositifolia. 



283 Filaments subulate, panicles few-flowered, . . . .3. stellaris. 

 283 Filaments broader at the top, panicle many-flowered, . S. umbrosa. 



284 Stem erect, 285 



284 Stem tufted moss-like, ... .8. hypnoides. 

 285 Radical leaves reniform lobed, ..... S. granulata. 

 285 Leaves wedge-shaped trifid S. tridactylites. 



