. 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 102d meridian. Botany; Botany. 386 FABACEAE. Vol. 3. Phaca longifolia (Pursh) Nutt. Long-leaved Milk Vetch. Fig. 2555. Psoralea longifolia Pursh, Fl. Am. Sept. 741. 1814. Phaca longifolia Nutt. ; T. & G. FI. N. A. i : 346. 1838. Astragalus pictus var. filif alius A. Gray, Proc. Am. Acad. 6: 215. 1864. A. filifalius Smyth, Trans. Kans. Acad. 15: 61. 1895. Erect, very slender, branchi
. 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 102d meridian. Botany; Botany. 386 FABACEAE. Vol. 3. Phaca longifolia (Pursh) Nutt. Long-leaved Milk Vetch. Fig. 2555. Psoralea longifolia Pursh, Fl. Am. Sept. 741. 1814. Phaca longifolia Nutt. ; T. & G. FI. N. A. i : 346. 1838. Astragalus pictus var. filif alius A. Gray, Proc. Am. Acad. 6: 215. 1864. A. filifalius Smyth, Trans. Kans. Acad. 15: 61. 1895. Erect, very slender, branching, finely canescent, 6'-i8' high. Stipules subulate, rigid, those of the lower part of the stein connate; leaflet usually i, narrowly linear, nearly terete, i'-4' long, J"-i" wide, sometimes 3 or 5; leaves persistent; flowers few, pink, 3"-s" long, in short loose racemes; peduncles much shorter than the leaves; pod i-celled, short-stalked, much-inflated, membranous, spotted, glabrous, ovoid, short-pointed, not furrowed, about i' long, i' thick. In sandy soil. South Dakota to Nebraska, Wyoming, Idaho and New Mexico. Bird-egg pea. May-June. Phaca Bodini (Sheldon) Rydb., a decumbent species with small blackish pubescent pods and purple flowers, common in Wyoming and Colorado, enters our area in western Nebraska. 28. HOMALOBUS Nutt.: T. & G. FI. N. A. i: 352. 1838. Perennial herbs, with pinnate simple or pinnately 3-5-foliolate leaves, and racemose mostly small flowers, the peduncles short, or elongated. Keel of the corolla obtuse. Pod flat, glabrous or pubescent, completely i-celled, few-several-seeded, the sutures both prominent externally. [Greek, regular-lobes.] Besides the following species, some 30 others occur in western North America. Type species : Honialobus caespitosns Nutt. Plants leafy-stemmed; leaves pinnate; leaflets 9-23, thin. i. H. tenellus. Plants scapose ; leaves simple, or pinnately 3-5-foliolate, the leaflets very narrow. 2. H, caespit
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