174 CRASSULACE.'E 



somewhat of the habit of a Saghia, from which, however, it is 

 very distinct. — Fl. June, July. Annual. 



2. Cotyledon (Pennywort). — Mostly succulent herbs with 

 scattered, peltate leaves ; [flowers in terminal spikes or racemes, 5- 

 merous ; petals united; stamens in 2 whorls ; carpels each with a 

 hypogenous scale at its base; styles a\en(ier, follicles many-seeded. 

 (Name from the Greek kotule, a dish, from the shape of the leaves.) 



1. C. Umbilicus- Veneris (Wall Pennywort). — A remarkably 

 succulent, glabrous plant, with orbicular, crenate, peltate leaves, 

 depressed in the centre; and terminal racemes 6 — 18 in. high, of 

 short-stalked, pendulous, greenish-yellowy/f^jtvw. — Walls and rocks, 

 chiefly in the west. The plant often takes a pink tinge in fading, 

 and the leaves are well-known to children by the name of " penny 

 pies." — Fl. June — August. Perennial. 



3, SiiDUM (Stonecrop). — Succulent herbs ; floivers usually 

 cymose, 5-merous, rarely 4-merous ; petals free ; stamens in 2 

 whorls ; hypogynoiis scales entire or notched. (Name from the 

 Latin sedeo, I sit, from the prostrate habit of the genus.) 



* Ml til a tllick rhizome : leaves hivad and flat 



1. S. ruseum (Rose-root). -Rhizome 2, -3 in. long, branched, 

 woody, having the scent of rose-water:; stems 6 — 10 ui. high, 

 annual, unbranched ; leaves broad, glaucous, acute ; flowers in 

 compact terminal cymes, greenish-yellow, 4-merous, dicecious. — 

 On mountains in the north and in Ireland, and on sea-cliffs ; not 

 common. — Fl. May — .August. Perennial-. 



2. 6'. Telepliium (Orpine, or Livelong). -The largest British 

 specie-s, growing about 2 feet high, and well distinguished by its 

 large, broad, ovate, serrate leaves and terminal dense corymbose 

 cymes of crimson 5-merous floivers. — Rocky thickets ; not un- 

 common, but often an escape from gardens.— Fl. July, August. 

 Perennial. 



** Leaves nearly cylindric : flowers white 



3. S. villosiim (Hairy Stonecrop). — A* small species with hairy, 

 viscid stems and leaves : and pinkish white flowers, few 

 together. — Wet mountain jiastures in the north. — Fl. June, July. 

 Biennial. 



4. 5. cilhiim (White Stonecrop). — A glabrous species with 

 prostrate barren stems and erect reddish. flowering stems 6 — 10 in. 

 high ; leaves sub-cylindric, blunt, -f? in. long, bright green ; flo'vers 

 white, in many-flowered corymbose cymes. — Rock and walls ; 

 not comuKMi. — Fl. July, August. Perennial. 



