SEDUM. CRASSULACE. 213 
oblanceolate, acute rarely entire : 6-18 lines long: cyme sessile often an inch 
or two in diameter: flowers on short naked pedicels, usually 4-merous 
sepals short, oblong: petals 1-2 lines long linear-oblong: carpels becoming 
3 lines long shortly beaked. In the high mountains Alaska to California. 
* * Flowers perfect, decandrous; secund upon the branches of a 
' forked cyme, mostly yellow: style filiform: leaves entire, very fleshy. 
+ Leaves broad and obtuse, narrowed toward the base: perennials. 
S$. spathulifolium Hook FI. i, 227. Glabrous and sometimes mealy; 
stems ascending from a branched rooting caudex, 4-8 inches high, simple: 
leaves obovate or spatulate, 6-10 lines long: branches of the cyme approxi- 
mate : flowers on short pedicels or sessile, 3 lines long: petals yellow, lance- 
olate, acute, twice longer than the ovate acute sepals and scarcely exceed- 
ing the stamens‘and style. On rocks, ete., Brit Columbia to California. 
Flowering in May. 
S. Oreganum Nutt. T. & G. Fl. i, 559. Glabrous, not glaucous, leaves 
all scattered, cuneate, rounded at the summit: stems erect simple; from 
a creeping branched caudex: cymes compound; the flowers on very short 
pedicels, petals yellow linear-lanceolate, acuminate 3-4 times the length of 
the ovate-lanceviate acuminate sepals and about twice the length of the 
stamens. On rocky banks along the Columbia river near the Cascades. 
S. divergens Watson Proc. Am. Acad. xvii, 372, Stems rather stout, 
2-4 inches high from a creeping-branched caudex: leaves broadly ovate or 
obovate, sessile, 3-4 lines long: inflorescence close with short branches, flow- 
ers yellow, the lanceolate petals thrice longer than the triangular-ovate 
sepals and equalling the stamens: carpels united at base, widely divergent 
a-ove. Eastern slopes of the Cascade Mts. 
S. debile Watson Bot. King v, 102. Stems weak, 2-4 inches high, 
from very slender running root stocks: leaves :ounded or obovate, 1-3 lines 
long: flowers on rather long pedicels in small cymes, 3 lines long, yellow: 
petals lanceolate, acuminate, twice the length of the acute sepals and little 
exceeding the stamens and styles. Southeastern Uregon to Nevada and 
Utah 
S. divaricatum Watson Proc. Am. Acad. xyii, 372 Cespitose with ~ 
slender branching rootstock: the lower rosulate leaves oblanceolate or 
acutish, roughish on the margin, 6 lines long or less, flowering stems 2-8 ° 
inches high, tranches of the cymes once forked: flowers nearly sessile, 
bright yellow, with short lanceolate sepals and narrowly lanceolate, acumi- 
nate petals: carpels united at base strongly divergent above. Eastern 
Cregon and Washington. 
++ Leaves lanceolate to subulate, mostly acute. 
++ Perennials, 
Ss. Douglasii Hook. Fl. i, 228. Branching at base from a stout prolif- 
erous root-stock : the rather stout stems 6-10 inches high: leaves lanceolate 
or the lowest linear-subulate 6-12 lines long, smooth on the margins, flat 
above, carinate beneath: flowers yellow, sessile,in an open cyme: petals 
2-3 lines long, acuminate-lanceolate, twice the length of the ovate acumi- 
nate sepals and exceeding the stamens: carpels united at base, strongly 
divergent. Brit Columbia to Uregon west of the Cascade Range. 
S. unifiorum Stems ratherslender. branching at the base, from a short 
proliferous caudex, 4-8 inches high, leaves lanceolate; acuminate,flat above, 
carinate beneath, 4-8 lines long: stems | earing numerous propagula and 
terminated by a single flower: petals lanceolate; sepals a little longer than 
the stamens. On rocks along the Willamette and Columbia rivers near 
Portland. 
