110 BOTAJSTY. 



exceeding the style ; stigma capitate, entire ; capsules large, sessile, submem- 

 branous, oblong and attenuate above, subtetragonal and sulcate on the sides, 

 very many-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. Nutallii, with which this species has 

 been united by Dr. Grray, is described as having acuminate leaf-segments, but 

 at the same time larger flowers, 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.) 



(Enotheea tanacetifglia, T. & Gr. Pac. R. R. Surv., (Beckwiih's 

 Rep.,) 2. 121. Closely resembling the last and nearly according vnth the 

 description of CE. Nuitallii. Segments of the leaves usually somewhat 

 rounded and sinuately toothed, sometimes acuminate ; calyx-tube 1-lJ' 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-) seeded, 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 meadows, near Glendale, by W. W. Bailey ; July. (417.) 



OENOTHERA HETEEANTHA, Nutt. Perennial, acaulescent, glabrous ; leaves 

 4-12' long, thin, oblong-lanceolate, tapering into a slender petiole, entire, 

 repand-denticulate or lyrate-pinnatifid ; flowers 1' in diamete.r; 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 wet creek banks in the Pah-Ute, Havallah 

 and Toyabe ranges, Nevada, and in the Wahsatch; 6,000 feet altitude ; June, 

 July. (418.) 



CEnotheea Boothii, Dougl. Annual (?,) viscidly pubescent above; 

 stem decumbent or ascending, ^1° long, branched; leaves ovate, 6^18" in 

 length, acute or acuminate, denticulate-serrate, somewhat hirsute beneath, 



