150 CRASS ULACEJE. (OUPINE TAMILV.) 



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. SEDUM. Carpels distinct. Sepals 4-5. Stamens 8 or 10. 



2. DIA5I0RPIIA. Carpels united at the base. Sepals 4. Stamens 8. 



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



1. SEDUM, L. Orpine. SxCNE-cRor. 



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. telepMoides, 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; carjjcls 

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

 Georgia, and northward. Juno. — Stem 7'-12' high. Leaves I'-lJ' long. 



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

 ing ; lowest leaves crowded, spatulatc or obovato, 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. pulehellum, Michx. Stems ascending (4' -12' long); leaves very 

 numerous, alternate, linear, obtuse; cyme composed of several recuned 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, atutish, as long as the lanceolate white petals ; 

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

 into the short subulate style — Rocky cliffs at Tuscaloosa, Alabama, Rev. R. 

 D. Nevius. 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 ( 1 ' - 4') succu- 

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

 white. 



1- D. pusilla, Nutt. — On flat rocks in the upper districts, Alabama to 

 North Carolina. March and April. 



