DROSERACE^:. 227 



Leaves not fleshy Penthorum. 



CRASSULACE/E. 1 f Pistils 6-i2Sempervivum. 



Leaves fleshy -i 



[.Pistils 4-5 Sedum. 



I. Sedum. Sepals 4-5, more or less united at base. Petals 4-5, 

 distinct. Stamens 8-10. Carpels 4-5, distinct, many-seeded, with an 

 entire scale at the base of each, y 



1. S. TERNATUM (Stone-crop). Leaves smooth, entire, lower ones ter- 

 nately verticillate, obovate, tapering at base ; cyme of 3 spikes ; flowers sev- 

 eral, white, sessile. In cultivation. July-August. 



2. S. TELEPHIUM (Orpine, Live-forever). Root tuberous, fleshy, white ; 

 stem simple, erect, round, leafy ; leaves flattish, ovate, serrate, obtuse, scat- 

 tered, sessile ; cymes corymbose, leafy ; flowers white and purple. In gar- 

 dens. August. 



3. S. ACRE ( Wall-pepper). Stems procumbent, branching at base ; leaves 

 minute, somewhat ovate, fleshy, obtuse, alternate, crowded, sessile ; cymes 

 few-flowered in 3 divisions, leafy ; flowers yellow. A little fleshy plant, 

 rapidly spreading wherever it is planted, and thickly covering the surface. 

 June-July. 



2. Sempervivum. Sepals 6-20, slightly united at base. Petals 

 6-20, acuminate. Stamens twice as many as the petals. Ovaries with 

 lacerated scales at base. Carpels 6-20. 2f 



S. TECTORUM (House-leek}. Herbaceous; leaves thick and fleshy, 

 fringed ; offsets spreading. A common plant in gardens, which sends out 

 runners with offsets, and thus propagates itself, flowering only occasionally. 



3. Penthorum. Sepals 5, united at base. Petals 5, or none. Sta- 

 mens 10. Capsules of 5 united carpels, 5-angled, 5-celled, and 5- 

 beaked. % 



P. SEDOIDES (Virginia Stone-crop}. Stem erect, somewhat branched, 

 angular above ; leaves lanceolate, smooth, acute at both ends, serrate, almost 

 sessile ; flowers yellowish-green, inodorous. In moist ground, 8'-i5' high. 

 A ugust-September. 



Order XXXI. DROSERACE^E (Sundew Family]. 



Marsh herbs with regular flowers in scapes, from a tuft of 

 glandular leaves. Sepals and petals 5. Stamens 5-15. Pod i- 

 celled and many-seeded. 



Drosera. Sepals 5, united at base, equal, persistent ; petals 5 ; 

 stamens 5 ; styles 3-5 ; capsule sub-globose, 3-valved, i-celled, many- 

 seeded. 



D. ROTUNDIFOLIA (Sundew). Leaves radical, in tufts, orbicular, on long 

 petioles, lying flat on the ground, with long, reddish, glandular hairs ; scapes 

 circinate, racemose, i-sided ; flowers small, white. Marshes. August. 



