234 SUMMER FLOWEllS. 



(93) Cotyledon. Navelwort. 



C. Umbilicus : stems erect, J-1 foot high, simple or slightly 

 branched ; radical and lower leaves on long stalks, fleshy, or- 

 bicular, broadly crenate, more or less peltate ; flowers in long 

 racemes, pendulous, yellowish-green; corolla cylindrical. — 

 Pennywort. — Rocks, walls, and old buildings. Fl. June, 

 July. 



(94) Sedum. 



* Leaves ivUJi a flat expanded surface. 



S. Rhodiola : stems erect, stout, simple, |-f foot high, leafy 

 to the top ; leaves alternate, sessile, obovate or oblong, slightly 

 toothed ; flowers dioecious, yellow or rarely purplish, forming 

 dense cymes, surrounded by the upper leaves, the males with 

 eight stamens longer than the petals, the females with four 

 carpels. — Rosewort. — Clefts of alpine rocks. Fl. May, June. 

 The smell of the rootstock, when drying, has been compared 

 to that of roses. It is sometimes called Rhodiola rosea, 



S. Telephium : stems hard, erect, simple, 1-2 feet high or 

 more ; leaves scattered, obovate or oblong, coarsely-toothed ; 

 flowers numerous, purple, forming a handsome terminal co- 

 rymb ; stamens shorter than the petals. — Orpine. — Borders of 

 fields, hedge-banks, and bushy places. Fl. July, August. 



** Leaves tmnid, as thick as broad. 

 t Flowers white or red. 



S. anglicum : stems glabrous, decumbent, three inches high, 

 much branched at the base ; leaves short, thick, almost globu- 

 lar, crowded on the short barren branches, more loosely scat- 

 tered and occasionally opposite on the flowering ones ; flowers 

 white, occasionally tinged with pink, in a short irregular cyme. 

 — Rocky or stony places. Fl. July. 



