Var. humifùsa, Allen. Low, decumbent, somewhat woody, diffusely branched, puberulent; branches slender, flexuous; leaves narrow; flowers few, small; capsules pubescent, about equalling the pedicel. (Œ. linearis of _Man._, in part.)--Suffolk Co., L. Island. 10. Œ. glaùca, Michx. Perennial, erect (2--3° high), _glabrous and glaucous; leaves ovate to ovate-oblong_ (2--4´ long), repand-denticulate; _flowers in short leafy corymbs; petals 9--15´´ long; capsule_ glabrous, ovoid-oblong, _very broadly winged_, usually abruptly contracted into a pedicel equalling or shorter than itself.--Mountains of Va. to Ala., west to Ky. and E. Kan. 11. Œ. speciòsa, Nutt. Perennial, erect or subdecumbent, finely pubescent; leaves oblong-lanceolate to linear, repand-denticulate, or more or less deeply sinuate-pinnatifid; _flowers large, white or rose_; capsule clavate-obovate, strongly 8-ribbed, rigid, acute, stoutly pedicelled.--Mo. to Kan. and Tex. [*][*][*][*] _Capsule oblong to ovate or orbicular, broadly winged, rigid and sessile._ [+] _Acaulescent or nearly so; flowers white or rose-color._ 12. Œ. tríloba, Nutt. Biennial or perennial, nearly glabrous; leaves 2--10´ long, somewhat ciliate, long-petioled, runcinate-pinnatifid or oblanceolate and only sinuate-toothed; calyx-tips free, the tube slender (2--4´ long); petals 6--12´´ long; capsule ovate, ½--1´ long, strongly winged, net-veined.--Ky. to Miss. and Tex., west to the Pacific. Var. (?) parviflòra, Watson. Flowers very small (1--2´ long), fertilized in the bud and rarely fully opening; fruit abundant, forming at length a densely crowded hemispherical or cylindrical mass nearly 2´ in diameter and often 2--3´ high.--Plains of Kan. and Neb. [+][+] _Low caulescent perennials; flowers axillary, yellow._ 13. Œ. Missouriénsis, Sims. Stems decumbent; pubescence short and silky, closely appressed, sometimes dense or wholly wanting; leaves thick, oval to linear, mostly narrowly lanceolate (2--5´ long), acuminate, entire or repand-denticulate; calyx-tube 2--5´ long; petals broad, 1--2½´ long; capsules orbicular, very broadly winged (1--3´ long).--Mo. and Kan. to Tex. 14. Œ. Fremóntii, Watson. Hoary with appressed silky pubescence; leaves linear, pointed, entire; calyx-tube 1--2´ long; petals ½--1´ long; capsule hoary, oblong, narrowed at base, 9´´ long.--Central Kan. § 2. _Stigma discoid; calyx-tube more broadly dilated above; anthers oblong-linear; capsule mostly sessile, linear-cylindric; perennial, somewhat woody, with axillary yellow flowers._ 15. Œ. Hartwègi, Benth., var. lavandulæfòlia, Watson. Stems numerous from a woody base, 3--6´ high; _leaves numerous, hoary-puberulent_, mostly linear, ¼--1´ long; _calyx-tube 1--2´ long_; capsule 8--10´´ long.--Central Kan. to Col. and N. Mex.