ACCOUNT OF GENUS SEDUM AS FOUND IN CULTIVATION. 99 
S. Ewersii is a well-known garden plant, exhibiting very little 
variation. Var. homophyllum I have had from Kew, Wisley, the 
Chelsea Physic Garden, and Mr. E. A. Bowles, in all cases under the 
name cyaneum. For the true 5. cyaneum, see p. 106. 
31. Sedum cauticolum Praeger (figs. 476, 48). 
S. cauticolum Praeger in Journ. oj BoL, 54, 41, 1917. 
Nearest to the well-known S. Sieholdii, from which it differs in its 
opposite stalked (not ternate sessile) leaves, lax leafy inflorescence, 
Fig. 47. — Sepals and carpels oi {a) S. Sieboldii, {h) S. cauticolum. 
carpels tapered below (not abruptly contracted into a short stalk) , and 
other characters. 
Description. — A glaucous herbaceous perennial. Rootstock rather thickened, 
emitting several stems above and several long fleshy tapered roots below, 
and also slender white subterranean shoots, bearing opposite small colourless 
scale-like leaves ; these shoots come to the surface and produce stems several 
inches from the parent plant. Stems slender, procumbent or low-arching, about 
6 inches long, smooth, round, dark purple. Leaves opposite (occasionally 
alternate), glaucous, paler on back, finely dotted with purple, especially on back, 
orbicular-spathulate, i inch long by f inch broad, very blunt at apex, bearing 
about two blunt teeth on each side in the upper part, narrowed below to a distinct 
petiole. Inflorescence a terminal lax very leafy flatfish umbellate cyme, the 
uppermost bracts rhomboid-lanceolate ; pedicels very slender, exceeding the 
flowers. Buds ovate-lanceolate, blunt, ribbed, the ribs glaucous green, the 
furrows red. Flowers \ inch across, rosy purple. Sepals small, glaucous, linear- 
lanceolate, acute, dotted purple, divided to the base. Petals 4 times the sepals, 
lanceolate, acute, concave, wide-spreading, on face rosy purple turning white at 
base, on back purple along the edges, whitish dotted purple down the centre. 
Stamens equalling the petals, filaments pink, anthers red. Scales straight, 
wide-spreading, oblong, refuse, colourless. Carpels erect, slightly shorter than 
the stamens, bright rosy purple mottled white, cuneate beiow, styles erect nearly 
equalling the ovaries. 
Flowers September-October. Hardy. 
Habitat. — Cliffs of southern coast of Yezo, Japan. 
A pretty and interesting species, sent by Prof. Miyabe from the 
University Botanic Garden of Sapporo with the note " sp. aff. S. Sie- 
holdii with opposite leaves and early-flowering habit." In British 
