118 ORDER 46. CRASSULACE^E. 



Sepals 3 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 TILLJBA. A 



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



Flowers all 5-parted. Stamens 5 CKASSULA. 3 



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



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



I Flowers Smarted. Stamens 5 ROCHEA. 6 



b Flowers 5-parted. Stamens 10 KCHIKVERIA. 7 



$ Carpels united into a many-seeded capsule... (x) 



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



i Flowers 5-parted, with 10 stamens. Petals often wanting PENTHOKUM. 9 



1. TILLJEA, 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. & Veiy small. Lvs. opposite. 



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

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

 carpels 8-10-seeded. (?) 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. U 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 



o Leaves opposite, and whorled No. 8 



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



the upper spatulate ; spikes 3, rarely 2 4, radiating, secund ; central flower 5-parted, 

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



2 S. Nevii Gr. Stem weak, branched, 35'; leaves alternate, imbricated, small, obo 



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



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



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

 Tex. 4 12'. May July. Very pretty in gardens. 



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



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



5 S. Rhodiola DC. Stems clustered, erect. 5 1(X ; leaves mostly scattered, obovate. 



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

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



6 S. telepliioides MX. Ascending, tall ; Ive. round-oval to lance-oval, narrowed to 



the base, subdentate, alternate ; pet. acuminate, pink. Rocks, Md., and S. Stems If, 

 leaves 1-2'. Flowers numerous, in a terminal branching cyme. June. 



7 S. Telepliium L. Live-forever. Clustered, erect, very leafy ; Ivs. ot"'~ng-ovate, ob 



tuse. dent-serrate ; corymb dense, leafy, blue-purple. Waste ground?, &e. Stems l-2f. 

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



8 S. SiEB6t,Dii. Lvs. opposite, or in 3's, roundish, glaucous, sessile ; cymes decse, leafy 



