. 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 . 2. Orophaca argophylla (Xutt.) Rydb. Sil- very Milk \'etch. P'ig. 2560. Phaca argophylla Nt Astragalus hyaliiui 5:648. 1895. T. & G. Fl. N. E. Jones. Pre . I ; 34-'. 1838. Cal. Acad. II. argophylla Rydb. 1905 Similar to the preceding species, but the leaflets relatively shorter and broader. Stipules scarious; corolla about s" long, pubescent outside; calyx-teeth a l


. 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 . 2. Orophaca argophylla (Xutt.) Rydb. Sil- very Milk \'etch. P'ig. 2560. Phaca argophylla Nt Astragalus hyaliiui 5:648. 1895. T. & G. Fl. N. E. Jones. Pre . I ; 34-'. 1838. Cal. Acad. II. argophylla Rydb. 1905 Similar to the preceding species, but the leaflets relatively shorter and broader. Stipules scarious; corolla about s" long, pubescent outside; calyx-teeth a little shorter than the tube. dry Nebraska and Wyoming. M^ay-July. 3. Orophaca sericea (Nutt.) Britton. Phaca sericea Nutt.; T. & G. Fl. X. -A. i : 343- 1838. Astragalus sericolcucus A. Gray. .-\m. Journ. Sci. (II.) 33: 410. l86-^. Hoary IMilk \"etch 'Orophaca sericea Britton, 2: 307. Brow Fl. Villous-pubescent, densely tufted, and spread- ing on the ground from a deep root, the stems 3-4' long. Leaves short-petioled, 3-foIiolate ; leaf- lets oblong or oblanceolate, acute or obtusish at the apex, narrowed or cuneate at the base, 2"-$" long; peduncles slender, 2-6-flo\vered, equalling or exceeding the leaves; flowers bluish-purple, about 3" long; pod I-celled, sessile, ovoid-oblong, coria- ceous, acute, villous-pubescent, about 3" long, partly enclosed by the calyx. In dry, sandy or rocky places. Nebraska to Wyo- ming and Colorado.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913