Cotyledon. CRASSULACE^. 211 



besides those of California, which are still imperfectly knoAvn. These American forms belong to 

 the genus Echcveria, DC. (now merged in Cotyledon), distinguished by the larger often foliaceous 

 calj'x, and the terete or suleate pitcher-shaped corolla more deeply parted. 



vc Leaves terete : 2')etals yelloivish, spreading : carpels divergent above the united base. 



1. C. edulis, Brewer. Glaucous, nearly acaulcscent, the stem very short, thick, 

 and covered with the bases of dead leaves : rosulate leaves numerous, terete or 

 somewhat triangular, acute, dilated at base, the outer ones 3 to 5 inches long : 

 flowering stems a foot high or more, with similar scattered leaves an inch or two 

 long, the upper and floral ones very small : inflorescence paniculate, the scattered 

 spreading branches 2 or 3 inches long : flowers nearly sessile : sepals ovate, acutish, 

 1 J to 2 lines long : petals united at base, narrowly oblong, 3 or 4 lines long, acute or 

 acuminate, widely spreading : carpels ovate-oblong, united above the base, divergent 

 above, 3 lines long : seeds rather few, linear-oblong, very acute at both ends, half a 

 line long. — Sedum edule, Nutt. in Torr. & Gray, Fl. i. 560, 



On dry banks near the sea at San Diego, Nuttall, Parry, Cooper, &c. The young leaves are 

 eaten by the Indians. A very peculiar species. 



% % Leaves flattened : carpels nearly distinct, erect. 



4- Petals V lilted to the middle, red: carpels linear : pedicels mostly horizontal. 



2. C. pulverulenta, Benth. & Hook. INIore or less white-pulverulent through- 

 out : stem sliort and very stout : leaves rather thin and flaccid, in a flattened rosette 

 often a foot or more in diameter, broadly spatulate and very abruptly acute, becom- 

 ing 2 to 4 inches broad and at lengtli glabrate, the younger leaves very mealy and 

 more gradually acuminate : floAvering stems 1| feet high or more, stout, with very 

 broadly cordate often approximate acute leaves, or the lower ovate and acuminate ; 

 floriil bracts small : inflorescence of 2 to 6 elongated ascending simple racemes, usually 

 6 to 12 inches long; pedicels mostly horizontal, slender, 3 to 8 lines long: flowers 

 erect or ascending : calyx-lobes ovate, acute, 2 or 3 lines long : corolla narrow, sul- 

 eate, red {" pale-scarlet or coral-color ") ; lobes oblong, acute : carpels 6 lines long : 

 s ieds very numerous, smaller than in the last. — Echeveria pidveridenta, Nutt. in 

 Torr. & Gray, Fl. i. 560. 



Frenuent in rocky ravines from the Sierra Santa Monica {Bre.u-er) southward to San Diego, 

 Nuttall, Cleveland, Palmer. Eaten by the Indians. The figure of C. pulrcruJcnta, Baker, 1. c, 

 t. 66, cannot be cited as a representation of the typical form of the species. It is uncertain to 

 what it should be referred. The Echeveria ^lulvcrulcnta and E. lanceolata of Bot. Mex. Bound., 

 from the Corinados Islands near San Diego {TImrber), are not satisfactorily determinable. 



-t- -{- Petals united only near the base, yelloiv more or less tinged tvith red : carpels 

 ovate- to linear-oblong : pedicels ascending. 



3. C. lanceolata, Benth. & Hook. Glaucous, the leaves more or less densely 

 white-puberulent : stem very short, more slender than in the last : rosulate leaves 

 less spreading, lanceolate to ovate-lanceolate, acuminate, the outer ones 2 to 4 inches 

 long : flowering branches 15 inches high or more, slender, the lower leaves lanceo- 

 late, becoming above broadly triangular-ovate, clasping, acute ; the floral bracts 

 much shorter than the pedicels : inflorescence in a compound cyme or often of 2 or 

 3 short simple racemes ; pedicels 2 to 4 lines long : sepals triangular-ovate, acute, 2 

 lines long : petals oblong, acute, 4 to 6 lines long, erect, reddish-yellow : carpels 

 linear-oblong, 5 lines long including the style : seeds oblong, acutish at each end, 

 a third of a line long. — Echeveria lanceolata, Nutt. in Torr. & Gray, Fl. i. 561 ; 

 Torrey, Bot. Mex. Bound, t. 24. 



Southern California, near the sea ; San Diego, Nuttall, Parry, Cleveland, Palmer. 



4. C. farinosa, Benth. Sc Hook, Acaulescent, more or less mealy-pulverulent : 

 rosulate leaves rather flaccid, ascending, lanceolate, acuminate, the larger ones 2 to 



