138 ORPINE FAMILY. 



3. SEDUM. Sepals, narrow petals, and pistils 4 or 5; the stamens twice as many, 



the alternate ones commonly adhering to the base of each petal. 



4. TILLiEA. Sepals, petals, stamens, and few-seeded pistils 3 or 4. Very small 



annuals, with axillary flowers. 



5. CRASSULA. Sepals or lobes of the calyx, petals, stamens, and many-seeded 



pistils 5. Perennial herbs or fleshy-shrubby plants, with flowers in cymes 

 or clusters. 



* « Petals united by their edges below, and bearing the stamens. 

 4- Calyx b-clefl or o-paried : pistils 5. 



6. ROCHEA. Corolla salver-form, longer than the calyx. Stamens 5. 



7. COTYLEDON. Corolla urn-shaped, bell-shaped, or cylindrical, sometimes 



6-angled. Stamens 10. 



4- 4- Calyx and corolla both 4-lobed at summit : pistils 4. 



8. BRYOPHYLLUM. Calyx inflated; the lobes of the corolla at length projecting 



and spreading. Stamens 8, projecting. Leaves opposite, petioled, simple or 

 odd-pinnate, crenate. 



1. PENTHORUM, DITCH STONE-CROP. (Name from the Greek, 

 apparently alluding to the parts of the flower beiqg in fives.) 2/ 



P. sedoldes. Wet places, especially by roadsides : a homely weed, about 

 1° high, with alternate lanceolate and serrate leaves, and yellowish-green incon- 

 spicuous flowers loosely spiked on one side of the bi'anches of an open cyme, all 

 summer and autumn. 



2. SEMPERViVUM, HOUSELEEK. (l,atin for live-for-ever.) ^ 



S. tectdrum, Common or Roof Houseleek, the plant in Europe 

 usually grown upon roofs of houses : propagating abundantly by offsets on 

 short and thick runners ; leaves of the dense clusters oval or obovate, smooth 

 except the margins, mucronate ; those on the flowering stems scattered, oblong, 

 clammy-pubescent, as well as the clustered purplish or greenish flowers ; sepals, 

 petals, and pods mostly 12. Cult, in country gardens, and on walls,.roofs, &c. : 

 rarely flowering, in summer. 



3. SEDUM, STONE-CROP, ORPINE. (Old name, from sedeo, to sit, 

 i. e. upon rocks, walls, &c., upon which these plants often flourish, with little 

 or no soil. ) The following are all smooth perennials, and hardy N. except 

 the first species. 



§ 1. Leaves flat and broad, oblong, obovate, or rounded, 

 * The lower ones at least whorled in threes. 



S. Sieb6Idii, Siebold's S. Cult, from Japan, mostly in pots ; with 

 slender and weak or spreading stems, glaucous and mostly reddish-tinged round 

 and often concave leaves (1' or less long), Avith a wedge-shaped base and wavy- 

 toothed margin, all in whorls up to the cyme of rosy-purple flowers, wliich all 

 have their parts in fives. 



S. ternatum, Three-leaved S. Wild in rocky woods from Penn. S. 

 & W., and common in gardens ; with spreading stems creeping at base and 

 rising .3' - 6' when they blossom ; the lower leaves wedge-obovate and whorled ; 

 the upper oblong and mostly scattered, about ^' long ; flowers white, the first 

 or central one with parts generally in fives, the others sessile along the upper 

 side of the usually 3 spreading branches and mostly with their parts in fours ; 

 in late spring. 



* * All or most of the leaves alternate: flowers in a cori/mb-like terminal cyme, 

 purple or purplish, in summer, all with their parts inflves. 



S. Teldphium, Garden Orpine or Live-for-ever. Cult, from Eu. 



in old country gardens : erect, about 2° high, with oval and mostly wavy- 

 toothed pale and thick leaves, small and dull-colored flowers in a compound 

 cyme, and short-pointed pods. 



S. telephioides, Wu.d O. or L. Dry rocks on mountains, chiefly along 

 the Alleghanies ; 6'- 12' high, very like the last, but with fewer flowers, and 

 pods tapering into a slender style. 



