238 CRASSULACEJE. STONECROP TRIBE. 



leaved Stonecrop), also a small species, but very rare ; 

 distinguished from the preceding by its fleshy, almost 

 globular leaves, viscid flower-stalks, and blunt petals. 



SEDUM ACRE (Biting Stonecrop). 



* Leaves scarcely, if at all, flattened ; flowers yellow. 



5. S. acre (Biting Stonecrop). Leaves egg-shaped, 

 fleshy, spurred at the base, sessile ; cymes 3-cleft. 

 Walls, rocks, and sandy ground ; frequent. Very like 

 S. Anglicum in habit, but with yellow flowers, and 

 growing in similar situations ; it may, however, be dis- 

 tinguished, when not in flower, by its thicker and more 

 crowded leaves, which are very acrid, and have gained 

 for the plant the name of Wall-pepper. Fl. June, 

 July. Perennial. 



6. S. reftexum (Crooked Yellow Stonecrop). Leaves 

 awl-shaped, spurred at the base, nearly cylindrical ; the 

 lowermost curved back. Walls and dry banks ; not 

 uncommon. Easily distinguished from any of the pre- 

 ceding by its slender, but tough stems, 6 10 inches 

 high, clothed with spreading, or reflexed leaves, which 



