110 
BOTANY. 
exceeding the style ; stigma capitate, entire ; capsules large, sessile, submem- 
branous, oblong and attenuate above, subtetragonal and sulcate on the sides, 
very manj^-seeded ; seeds smooth, somewhat ascending, terete, oblong, 
slightly reniform, in 2 series in each cell. — Flowers numerous, small, scarcely 
1' long with the ovary, the petals 2-3" in length ; matured capsules large in 
proportion, nearly 1' long, attenuated above into the persistent calyx-tube. 
176 Hall & Harbour is the same. In the original description the segments 
of the leaves are said to be obtuse, CE. NutaUii^ with which this species has 
been united by Dr. Gray, is described as having acuminate leaf-segments, but 
at the same time larger flow^ers, with a tube 1-2' long and a style exceeding 
the sepals — in these respects resembling the next — and subulate-conic terete 
capsules. Southern Idaho to Colorado. Wahsatch Mountains, shore of sub- 
alpine lake; 9,000 feet altitude; August. (416.) 
OENOTHERA TANACETiFOLiA, T. & G. Pac. R. R. Surv., (Beckwith^s 
Rep.,) 2. 121. Closely resembling the last and nearly according with the 
description of CE. Nuttallii, Segments of the leaves usually somewhat 
rounded and sinuately toothed, sometimes acuminate; calyx-tube 1-1 J' long, 
the segments shorter than the petals (5-7" long) and style ; capsules, so far 
as known, (perhaps abortive,) linear or subulate, very few- (1-2-) seedbed, the 
seed like that of the last, but slightly longer. Klamath Valley, (Newberry, 
Cronkhite ;) mountains north of Pyramid Lake, Nevada, (Beckwith.) Found 
in the Truckee meadow^s, near Glendale, by W. W. Bailey ; July. (417.) 
CEnotheka heterantha, Nutt. Perennial, acaulescent, glabrous ; leaves 
4-12' long, thin, oblong-lanceolate, tapering into a slender petiole, entire, 
repand-denticulate or lyrate-pinnatifid ; flow^ers 1' in diameter; the calyx- 
tube 2' long, filiform, dilated at the apex, the segments ovate-lanceolate, 
rather shorter than the broadly obovate retuse yellow petals, and longer than 
the style ; stigma capitate ; capsules 9" long, sessile, ovoid-oblong, attenuate 
into the persistent calyx-tube, smooth and even, the valves with a slightly 
prominent midrib ; seeds ovoid or oblong, minutely reticulate-pitted. — Idaho, 
(Wyeth and Geyer.) Found on w^et creek banks in the Pah-Ute, Havallah 
and Toyabe ranges, Nevada, and in the Wahsatch; 6,000 feet altitude ; June, 
July. (418.) 
(Enothera BooTHii, Dougl. Annual (?,) viscidly pubescent above; 
stem decumbent or ascending, \-\° long, branched; leaves ovate, 6-18" in 
length, acute or acuminate, denticulate-serrate, somewhat hirsute beneath, 
