ACCOUNT OF GENUS SEDUM AS FOUND IN CULTIVATION. 309 
remain for the present unproved. However, I name it tentatively, 
and describe it so far as the material goes. 
Description. — A small, slender, diffuse, evergreen, creeping perennial. Roots 
fibrous. Stem procumbent, rooting below, ascending at the tips, slender, i^^h 
thick throughout, much branched, bright red above, grey when old, very rough 
with whitish, asperous, spreading, scale-like projections arranged in crowded rings 
Fig. 185. — ? S. polyrhizum Praeger. 
throughout its length. A erial roots very many, axillary, borne throughout the 
stem save for about ^ inch at the apex, 5 or less at each axil, f inch long, the 
upper ones alive, bright red, tortuous, the lower ones mostly dead, forming 
shaggy tufts at the swollen leaf-scars. Leaves alternate, crowded, patent or 
deflexed, longer than the internodes, glabrous, dark green, sessile, oblong-obovate, 
blunt, fiattish on face, much rounded on back, J inch long, ^\ i^^h broad, inch 
thick. 
INDEX. 
[Synonyms and erroneous names in italics. Genera in small capitals. 
Principal references in heavy type, thus — 206.] 
(In order to render this Index a more complete guide for garden purposes I have 
included in it the collection of erroneous garden names which I published 
in Gardeners' Chronicle, 3rd Ser., 56, P- 334, 1914. These are distinguished 
by the reference G.C.) 
AiTHALES Webb and Berth., 22, 293 
rubens Webb and Berth., 304 
Anacampseros Tournefort, 22, 81 
Borderi, Jord. and Fourr., 85 
Clembntsta Rose, 22 
rhodantha Rose, 67 
Cotyledon Tournefort, 21 
spinosa Linn., 168 
