 EPILOBIUM. ONAGRACE. 223 
+ Capsule linear-fusiform; many seeded; seeds beakless. Rather 
tall plants with ample conspicuously-veined chiefly opposite leaves 
_ and large flowers with short and open calyx tube. 
E. luteum Pursh 259. Stems slender a foot ortwo high, nearly simple ; 
glabrate below except along the elevated lines decurrent from some of the 
nodes: leaves one to three inches long, ovate or elliptical to broadly lanceo- 
late, acute or acuminate, sinuate-toothed, sessile or when large obliquely 
tapering toa winged petiole, slightly fleshy: inflorescence more or less 
glandular-pubescent; the flowers at first nodding, not very numerous, in 
the axils of the somewhat crowded and frequently reduced upper leaves; 
petals bright yellow 8-9 lines long, style frequently exserted, its obconical 
apex mostly deeply 4-parted : capsule long stalked more or less puberulent ; 
seeds obovoid very acute at base, smooth or slightly areolated, less than a 
line long; coma at length reddish. “Oregon to Alaska. 
+ + Capsules rather short; subclavate-fusiform ; few-seeded: rather 
low and slender stemmed, more or less cespitose plants, usually some- 
what shreddy at base. 
++ Leaves rather broad; flowers large, rose-purple; style shorter than 
the petals. 
E. rigidum Hausskn. Bot. Zeitschr. xxix, 51. Stems decumbent, 4-8 
inches long, glabrous and rather glossy at base, glandular-pubescent 
above: leaves 3-16 lines long, the upper more or less attenuate, lanceolate to 
nearly oboyate, acute, entire, cuneately narrowed into short winged petioles, 
glabrous and very glaucous, firm with mostly inconspicuous lateral veins: 
flowers rather few in the axils of the reduced upper leaves which are often 
adnate to the base of the peduncles; ovary more or less densely white 
ubescent; calyx cleft nearly to the base; petals 7-10 lines long; stigma very 
arge, its surface pilose-papillate; seed smooth. Eastern base of the 
Coast range, Josephine Co., Oregon. 
Var. canescens. Trel. Sp. Epilob.83. Densely velvety-canescent through - 
out. With the type. 
++ ++ Leaves relatively narrow, flowers rather small; cream-colored, 
style exserted; seeds nearly obconical, closely low-papillate. 
E. suffruticosum Nutt.T. &G. Fl. i, 488. Stems woody and intricately 
much branched at base, a span high, minutely canescent throughout or at 
length glabrate below: leaves numerous, less than 10 lines long, mainly 
opposite, broadly lanceolate, acutish, entire, narrowed below but hardly 
petioled, thick, with inconspicuous veins: flowers rather few, in the axils of 
the scarcely reduced upper leaves; calyx-tube broadly funnel-form; petals 
3-4 lines long; capsule am inch long, short-stalked: seeds a line or more 
long; coma long and very dingy. Oregon to northwest Montana and the 
Yellowstone Park. 
* * Stigma more or less 4-cleft in the larger flowers, usually sub- 
entire in the smaller; capsule prominently ribbed, rather short and 
few-seeded ; seeds beakless, very broad and blunt, usually abruptly 
‘contracted above the base, areolate or low-papillate; coma pale, fali- 
ing easily: mostly slender annuals with terete stems, more or less 
glandular-pubescent above, and rather firm veinless leaves. 
E. paniculatum Nutt. 1. c. 490. Stems rather slender, 1-4 feet high, 
loosely dichotomously branched, mostly white glabrate below: leaves 
1-2 inches long, chiefly alternate and fascicled in the axils, lanceolate or 
linear-lanceolate, often folded along the midrib, acute, rather sparingly 
denticulate, tapering toa slender winged petiole, gradually passing into 
the smaller bracts above: flowers rather remote towards the ends of the 
ascending branches, erect: the bracts often carried up on the peduncle; 
