An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 362 FABACEAE. Vol. II. .; 4. Psoralea linearifolia T. &; G. Narrow- leaved Psoralea. Fig. 2494. Psoralea linearifolia T. &; G. Fl. N. A. 1: 300. 1838. Erect, i°-2° high, widely branching; stems not always glandular, glabrous, or sparingly pubescent with appressed hairs. Stipules li'-3i' long, lanceo- late or setac
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 362 FABACEAE. Vol. II. .; 4. Psoralea linearifolia T. &; G. Narrow- leaved Psoralea. Fig. 2494. Psoralea linearifolia T. &; G. Fl. N. A. 1: 300. 1838. Erect, i°-2° high, widely branching; stems not always glandular, glabrous, or sparingly pubescent with appressed hairs. Stipules li'-3i' long, lanceo- late or setaceous; leaves sessile or short-petioled, 1-3-foIiolate; leaflets s'-is' long, i -2' wide, linear, rugose, glandular, glabrous or with a few appressed hairs; peduncles I'-g' long; flowers blue, loosely scattered, 1-4 together on slender pedicels 2'-4' long; bracts i' long, ovate, acuminate; mature calyx campanulate, 2' long, glandular, slightly pubescent; pod 4' long, narrowly ovoid or oblong, glandular, with a short stout straightish beak; seed flat, oblique, dark brown. Prairies and hillsides, Nebraska and Colorado to Texas. May-.^ug. 5. Psoralea collina Rydberg. Nebraska Psoralea. Fig. 2495. 54. /. 6, 7 Ascending or diffuse, somewhat grayish-pubes- cent, l°-2° high. Stipules narrow, i'-4' long; leaves 3-foliolate, or sometimes 5-foliolate; leaf- lets obovate or oblanceolate, mucronate, mostly glabrous above; bracts pointed, il''-2' long; pe- duncles slender, 1-4'long; flowers about 3' long; calyx-segments linear-lanceolate, much shorter than the ovate pod, the lower one a little longer than the others; pod 2^-3' long, tipped with a flat straight beak about li' long. Hillsid ebraska. .Tuly-Aug.
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