3(58 ORDER 60. CRASSULACE^E. 



4 B. TelSphium L. COMMON ORPINE. LIVE-FOREYER. Rt. tuberous, 

 fleshy, white; si. erect, very leafy, Ivs. Jlattish, ovate, obtuse, serrate, scattered; 

 cyme corymbous, leafy. If Cultivated and nearly naturalized. Sts. simple, 

 round, smooth, purplish. Lvs. sessile, fleshy. Fls. white and purple, in dense, 

 terminal, leafy tufts. Aug. f Eur. 



5 S. acre L. ENGLISH Moss. WALL PEPPER. Procumbent, spreading, branch- 

 ing from the base ; Ivs. very small, somewhat ovate, fleshy, crowded, alternate, 

 closely sessile, obtuse, nearly erect ; cyme few-flowered, triad, leafy. In cultiva- 

 tion it spreads rapidly on walls, borders of flower-beds, etc., densely covering 

 the surface. Fls. yellow. The whole plant abounds in an acrid, biting juice, f Eur. 



4. ECHEVE'RIA, DC. (To JEcheveri, a botanical draughtsman.) 

 Sepals 5, unequal ; petals 5, coherent below, erect, connivent, carinatc ; 

 stam. 10, shorter than the petals ; carpels 5, tapering into a short, subu- 

 late style, with 5 short, obtuse, hypogynous scales. Handsome, herba- 

 ceous or shrubby, fleshy plants, from California and Mexico. Fls. scar- 

 let or yellow. 



E. grandiflora Haw. Glaucous with bloom, erect ; Ivs. fleshy, spatiilate, or 

 obovate, acute, narrowed into a thick petiole ; fls. paniculate, erect. Greenhouse. 

 St. about 2f high. Lowest Ivs. large, rosulate ; cauline gradually smaller. Sep. 

 thick. Cor. urn-shaped, orange-purple, f Mex. 



5. SEMPERVrVUM, L. HOUSE-LEEK. (Lat. semper vivere, to live 

 forever ; for their tenacity of life.) Sepals 6 to 20, slightly cohering at 

 base; petals as many as sepals, acuminate; stamens twice as many as 

 petals ; hypogynous scales lacerated ; carpels as many as the petals. If. 

 Herbaceous plants or shrubs, propagated by axillary offsets. Lvs. thick, 

 fleshy. 



1 S. Tectonim L. Lvs. fringed ; offsets spreading. A well-known plant 

 of the gardens, with thick, fleshy, mucilaginous Ivs. It sends out runners with 

 offsets, rarely flowering. It is so succulent and hardy that it will grow on dr? 

 walls, and on the roofs of houses (tectorum). It is sometimes placed in the bor- 

 ders of flower beds. 



2 S. arboreum. St. arborescent, smooth, branched ; Ivs. cuneiform, smooth- 

 ish, bordered with soft, spreading ciliae. A curious and ornamental evergreen, 

 from the Levant. St. very thick and fleshy, branching into a tree-like form, 8 to 

 lOf high (1 to 3f in pots). Fls. yellow, rarely appearing. 



6. DIAMOR'PHA, Nutt. (A Greek word signifying deformed; al- 

 luding to its singular dehiscence.) Sepals 4, minute, coherent at base ; 

 pet. 4, oval, concave ; stamens 8, with purple anthers ; carpels 4, united 

 below the middle, each with a minute obcordate, hypogynous scale, and 

 dehiscent by an irregular dorsal valve ; seeds 4 to 8. A very small, 

 fleshy, branching herb, with corymbs of white or pink-colored flowers 

 and purplish herbage. 



D, pusilla Nutt. @ On rocks in dry, sunny places, Ga. (Stone Mt. 16m. E. of 

 Atlanta), N. and S. Car. (Shields). Sts. ] to 3' high, csespitous, forming patches. 

 Lvs. oval, sessile, 1" long, alternate. Fls. numerous. Mar., Apr. A curious lit- 

 tle plant. 



7. PENTHO V RUM, L. VIRGINIA STONE-CROP. (Gr. ntvre, five; 

 on account of the 5-parted, angular capsule.) Calyx of 5 sepals united 

 at base; petals 5 or 0; stamens 10; capsules of 5 united carpels, 

 5-angled, 5-celled, 5-beaked, dehiscent by an obliquely terminal valve ; 

 seeds oo, minute. H Erect (not succulent) herbs. Lvs. alternate. 

 Fls, yellowish, cymous. 



P, sedoides L. St. branched and angular above j Ivs. nearly sessile, lanceolate, 



