190 Crassulacee—Sedumi. 
about a foot high. Leaves broad, 1 to 3 inches long, ovate or 
oblong, flat or concave, obtusely serrate. Flowers rose, purple, 
white, or speckled, in dense corymbose cymes. An indigenous 
plant. 
5. S. Rhodiola. Rose-root.— This species has dicecious 
flowers. It grows about a foot high, with obovate or lanceo- 
late acute glaucous leaves toothed towards the tip, the upper 
ones largest. Flowers purplish or yellow, in compact cymes. 
A native species, frequently seen in old gardens. 
6. S. Siebdlilii.a distinct species with erect or ascending 
slender stems. Leaves opposite or in threes, flat, orbicular, 
and glaucous. Flowers in dense corymbs, very showy, pink or 
red. A native of Japan, and an old inhabitant of our gardens. 
There is a variegated form. 
7. S. Fabaria.—Near the foregoing, but taller and hand- 
somer, and also a native of Japan. Leaves broadly oval, 
crenate. Flowers rosy purple. Both this and the last bloom 
towards the end of Summer. 
8. 8. Bwérsii.ia dwarf species with glaucous oblong-orbicu- 
lar crenate flat glabrous leaves and rosy purple flowers in large 
corymbs. One of the best. A native of Siberia, flowering in 
Summer. 
3. SEMPERVIVUM. 
Leaves usually thick and fleshy, usually in dense rosettes. 
Parts of the flower in sixes or more. Stamens usually double 
the number of petals. Species numerous, from the Mediter- 
ranean region, Atlantic islands, Cc. The name is from semper, 
ever, and vivo, to live. 
1. S. tectovum. House Leek.—This is the tufted plant so 
frequently seen growing in patches on old houses and out- 
buildings inthis country. Leaves glandular-pubescent, ciliate, 
obovate-lanceolate, mucronate. Flower-stems about a foot 
high; flowers dull purple. 
Besides the above there are several other species occasionally 
met with in collections, and some are now employed for bedding 
purposes. S. caleadreum, syn. S. Californicwm of gardens, a 
European species, is the one most commonly employed. This 
has broad rosettes of oblong glaucous leaves with dark tips 
and purplish flowers. S. arachnoldeum, arendrium, globi- 
ferum, Ruthénicum, and many others, are coming into 
general cultivation. 
Gramméanthes gentianoules, a native of South Africa, is a 
