ACCOUNT OF GENUS SEDUM AS FOUND IN CULTIVATION. 139 



ascending, blunt, linear, terete, | inch'to ^ inch long, pale often'pinkish glaucous 

 green, with a short blunt spur ; those of the flowering shoots larger, about 

 i inch by J inch, linear-lanceolate, rather flattened. Inflorescence cyraose, 

 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 



X2 



Fig. 73. — 5. potosinum Rose. 



base. Petals white, wide-spreading, linear-lanceolate, acute, flushed red on 

 back, twice the sepals. Stamens f 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. 



