118 ORDER 46. CRASSULACE^E. 



Xepulx ?> 20, more or less united at base, persistent. Petals as many as the 

 sepals. Stamens as many as the petals, and alternating with them, or twice 

 as many. Ovaries as many as the petals. Filaments distinct. Anthers 

 2-celled, bursting lengthwise. Fruit distinct follicles or a capsule, many- 

 seeded. Figs. 8, 9, 468. 



f Carpels distinct, forming a circle of follicles... () 



Petals distinct. a Flowers all 3- or 4-parted. Stamens 3 or 4 TILLJIA. 



Flowers 5-, or 4- and 5-parted. Stamens 8 or 10 SKDUM. > 



a Flowers all 5-parted. Stamens 5 CRASSULA. 3 



a Flowers 6-12-parted, with cleft hypogynous scales SKMPKRVIVCX. 4 



Petals united at base. 1> Flowers 4-parted. Stamens 8 BRYOPHTLLUM 5 



b Flowers 5-parted. Stamens 5 KOCH K A. 6 



h Flowers 5-parted. Stamens 10 ECHIKVERIA. 7 



t Carpels united into a many-seeded capsule... U) 



x Flowers 4-parted, with 8 stamens DIAMORPHA. 8 



x Flowers 5-parted, with 10 stamens. Petals often wanting PKKTHOKUX. 9 



1. TILL.ZEA, MX. PIGMY- WEED. Calyx of 3 or 4 sepals united at base. 

 Petals 3 or 4, equal. Sta. 3 or 4. Caps. 3 or 4, distinct, follicular, opening 

 by the inner surface, 2- or many seeded, xr Very small. Lvs. opposite. 



T. simplex Nntt. St. ascending or erect, rooting at base ; Ivs. connate at base, linear- 

 oblong, fleshy ; flowers axillary, solitary, subses^ile, their parts in 4's ; pet. greenish ; 

 carpels 8-10-seeded. (J) Muddy banks, Ct. to Md. 12'. July Sep 



2. SEDUM, L. STONE-CROP. Sep. 4 or 5, united at base. Pet. 4 or 

 5, distinct, spreading. Sta. 8 10. Carp. 4 5, distinct, many-seeded, with 

 an entire scale at the base of each. 11 Lvs. fleshy. Inflorescence cymous. 



Fls. in pcorpoid racemes or spikes, or axillary, the latter often 4-parted Nos. 14 



Fls. in corymbous cymes, all 5-parted. a Leaves mostly alternate Nos. 57 



a Leaves opposite, and whorled No. 8 



1 S. tcrnatnm MX. Leaves scattered, flat, obovate, the lower mostly in whorls of 3, 

 the nppcr spatulate ; spikes 3, rarely 24, radiating, secund ; central flower 5-parted, 

 the rest 4-parted, white. Damp woods. 3 8'. May, June. 



' S. NevII Gr. Stem weak, branched, 3 5' ; leaves alternate, imbricated, small, obo 

 vate-spatulate ; petals lance-linear, white. Mts., Va. (Porter), and S. June, July. 



3 S. piilcliellum MX. Leaves linear, alternate, crowded ; spikes radiating, dense 



flowered, secund, central flower 5-, the others 4-parted, rose-purple. Rocks, Va. to 

 Tex. 412'. May July. Very pretty in gardens. 



4 S. acre L. English Moss. Procumbent, diffuse ; leaves very small, fleshy, crowded, 



alternate, appressed : cyme leafy, somewhat trifid ; fls. yellow. Gardens. Jl. Eur. 



5 S. Rhodiola. DC. Stems clustered, erect. 5 1CK : leaves mostly scattered, obovate. 



with several angular teeth or entire, crowded ; flowers 4-partod, in a small cyme at 

 top, yellowish, dioecious. Rocks, Penn. (Prof. Porter), Me., and Can. 



G S. telephioides MX. Ascending, tall ; Ivs. round-oval to lance-oval, narrowed to 

 the baee, enbdentate. alternate ; pet. acuminate, pink. Rocks, Md.. ant 1 . S Stems If, 

 loaves 12'. Flowers numerous, in a terminal branching cyme. June. 



1 S. Telephium L. Live-forever. Clustered, erect, very leafy ; Ivs. of- ng-ovate, ob 

 tuse. dent-serrate : corymb dense, leafy, blue-purple. Waste grounds', &c. Stems l-8f, 

 round, simple, with a compact pale-purple cyme at top. August. Europe. 



8 8. SiKB6LPii. Lvs. opposite, or in 3's, roundish, glaucous, sessile ; c^mes dense, leafy 



