100 CRASSULACE^i. (oiiPINK FAMILY.) 



with the petals. Ovaries as many as the sepals, separate or united below. 

 Carpels several-seeded, opening along the inner suture. Seeds anatropous. 

 Embryo straight, in thin albumen. 



Synopsis. 



1. SEDL'M. Carpels distinct. Sepals 4-5. Stamens 8 or 10. 



2. DIAMORI'IIA. Carpels united at the base. Sepals 4. Stamens 8. 



3. PENTHORUM. Carpels united above the middle. Sepals 5. Stamens 10. 



1. SEDUM, L. ORriNE. Stone-crop. 



Sepals 4-5. Stamens 8 or 10. Carpels distinct, many-seeded, with an en- 

 tire scale at the base of each. — Herbs smooth and fleshy. 



1. S. telephioid.es, Michx. Stem stout, erect or ascending, very leafy 

 throughout ; leaves alternate, oblong-obovate, toothed or entire ; the lower ones 

 mostly tapering into a petiole, the upper sessile; cymes compact, erect, many- 

 flowered; petals flesh-color, ovate-lanceolate, acuminate; stamens 10; carpels 

 acuminate, pointed with the slender style. — Dry rocks, along the mountains, 

 Georgia, and northward. June. — Stem "'-12' high. Leaves l'-lj' long. 



2. S. ternatum, Michx. Stems low (3' -8'), branching at the base, ascend- 

 ing ; lowest leaves crowded, spatulate or obovate, 3 in a whorl ; the upper ones 

 scattered, oval or lanceolate ; cyme composed of 3 recurved branches ; stamens 

 8, those of the central flowers 10. — Mountain-rocks, Georgia, Tennessee, and 

 northward. May and June. 1| — Flowers white. 



3. S. pulchellum, Michx. Stems ascending (4' - 12' long) ; leaves very 

 numerous, alternate, linear, obtuse; cyme composed of several recurved or 

 spreading branches ; flowers pale purple; sepals much shorter than the petals; 

 stamens 8, those of the central flowers mostly 10; carpels tapering into the long 

 and slender style. — With the preceding. May and June. 



4. S. Nevii, Gray. Stems low (3' -5'), ascending; leaves alternate, scat- 

 tered, linear-clavate, obtuse ; flowers sessile, scattered along the widely spread- 

 ing or recurved branches of the simple cyme; bracts linear, longer than the 

 flowers ; sepals linear-lanceolate, acutish, as long as the lanceolate white petals ; 

 stamens 8, shorter than the petals; anthers purplish-brown; carpels tapering 

 into the short subulate style — lloeky cliffs at Tuscaloosa, Alabama, Rev. A'. 

 /'. NevitlB. April and May. 



2. DIAMOEPHA, Nutt. 



Sepals 4, very short. Petals 4, oval, concave. Stamens 8. Carpels 4, united 



below the middle, at length spreading, 4-8-seeded, — A small (l'-4') succu- 

 lent biennial herb, branching from the base. Leaves terete, fleshy. Flowers 

 white. 

 i. D. pusilla, Nutt. — On Bat rocks In the upper districts, Alabama to 



North Carolina. March and April. 



