62 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
and narrowly bell-shaped white flowers with elongate recurved tips 
sufficiently distinguish it. 
Description. — A glabrous herbaceous perennial. Rootstock thick, branched, 
aerial, set with the dry bases of the old stems. Stems several or many from 
Fig. 24. — S. dumulosum Franchet. 
the summit of the rootstock, annual, erect or arching, unbranched, 4-7 inches 
high, smooth, reddish, slender, very leafy. Leaves alternate, green, entire, 
glabrous, linear, rather acute, sessile, inch long by ^5— ^^^^ broad, fleshy, 
flattened on face with a median groove, rounded on back. Inflorescence very 
compact, terminal, of 6 to 12 flowers arranged on 1-2-flowered branches shorter 
than the flowers, each bearing i or 2 leal-like bracts. Flo7vers white, | inch long 
by \ inch across. Buds conical, acute. Calyx pale green, glabrous, segments 
