ACCOUNT OF GENUS SEDUM AS FOUND IN CULTIVATION. 139 
ascending, blunt, linear, terete, | inch'to ^ inch long, pale of ten "pinkish glaucous 
green, with a short blunt spur ; those of the flowering shoots larger, about 
J inch by ^ inch, linear-lanceolate, rather flattened. Inflorescence cymose, 
of 2 or 3 small, lax, leafy scorpioid branches, one of them usually longer than 
the other two. Buds slender, pointed. Flowers f inch across, sub-sessile. 
Sepals pale-green or pink, fleshy, linear-lanceolate, blunt, separate almost to the 
Fig. 73. — S. potosinum Rose. 
base. Petals white, wide-spreading, linear-lanceolate, acute, flushed red on 
back, twice the sepals. Stamens | the petals, filaments white, anthers purple. 
Scales small, white. Carpels erect, equalling the stamens, white, styles pink. 
Flowers July (gentle heat) ; August (cold frame). Not hardy. 
Habitat. — Mexico. 
Received from Washington, New York, and Edinburgh ; also 
from Haage and Schmidt, of Erfurt. 
The name is derived from San Luis Potosi, where the plant grows. 
