CATALOGUE OP SPECIES. 



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87 



Type specimen in the United States National Herbarium, No. 791, Death Valley 

 Expedition; collected May 20, 1891, on the Darwin Mesa, near Mill Creek Divide, 

 Inyo County, California, by Frederick V. Coville. 



The species clearly belongs to the section of the genus known as the InJJatt. 



Astragalus mohavensis Wats. Proc. Amer. Acad. xx. 361 (1885). Type locality, 

 "in a canon south of Newberry Spring in the Mohave Valley," California. 



Corolla 4 to 6 mm. long, calyx 2 to 3 mm. long. Specimens were collected in Sur- 

 prise (Nos. 630,647) and Johnson (Nos. 495,501) canons, Panamint Mountains, and 

 near Hot Springs, Panamint Valley (No. 685). 



Astragalus nuttallianus cauescens Torr. & Gr. Pac. R. Pep. ii. pt. iv. 163 

 (1855). Type locality 1 , "New Mexico". 



Johnson. Canon (No. 513). 



Astragalus obscurus Wats. Bot. King Surv. 69 (1871). Type locality, "on rocky 

 foot-hills near Truckce Pass, Nevada ; 5,500 feet altitude." 



\bout 30 kilometers east of Panaca, Utah (No. 1975) ; not in fruit. The floral char- 

 acters arc here appended: flowers rather small ; petals purplish ; keel less strongly 

 arched than in Astragalus atratu* Wats., the apex ascending, equaling the entire 

 wings, and shorter than the broadly orbicular banner. 



Astragalus oocarpus Gray, Proc. Amer. Acad. vi. 213 (1864). Type locality, 

 "mountains east of San Diego, California." 



Tehacbapi Valley (No. 1112). 



Astragalus oophorus Wats. Hot. King Surv. 73 (1871). Type locality, "Reese 

 River Pass of the Shoshone Mountains, Nevada; 5,500 feet altitude." 



Near Shoal Creek, Utah (No. 1965). A low form with flowers longer than in the 

 type and with leaflets more numerous. 



Astragalus panamintensis Sheldon sp. nov. 



Perennial, erect, 10 to 15 cm. high, much branched from a somewhat woody base; 

 stems rather short ; the whole plant sparingly pubescent with short, white, appressed 

 hairs- leaves long and slender (7.5 to 12.5 cm.) ; leaflets 4 or 5 pairs, 4 to 6 mm. long, 

 linear acute slightly emarginate, somewhat falcate, at least after drying; stipules 

 small 'triangular" acute ; peduncles slender, shorter than the leaves, 2- to 3-flowered ; 

 flowers 1 9 5 to 1.5 cm. long; calyx nigrescent, with teeth as long as the narrowly 

 campanulate tube; petals ocbroleucous, tipped with purple; pod linear, 1.2 cm. 

 Ion" sbort-stipitate, chartaceous, almost glabrous, minutely purplish-mottled, 

 straight with deep dorsal sulcus, nearly 2-celled, cross-section Y-shaped. 



Tvpe specimen in the United States National Herbarium, No. 606, Death Valley 

 Expedition; collected April 13, 1891, in Surprise Canon, Panamint Mountains, Inyo 

 County, California, by Frederick V. Coville. 



The plant has the aspect of an upright form of Astragalus tegetartua Wats., but is 

 more nearly related to Astragalut atratus Wats. 



Astragalus procerus Gray, Proc. Amer. Acad. xiii. 369 (1878). Type locality, 

 "near St. Thomas, S. E. Nevada, at the confluence of Muddy River with the 



"Virion " 



Vegas Valley, Nevada (No. 398). The plant has not been reported before from 



California. 



Astragalus purshii Hook. Fl. Bor. Amer. i. 152 (1834)-Dougl. MS. Type locality, 

 » on the low hills of the Spokan River, North- West America." 



In the Panamint (No. 728) and Tejon (No. 1196) mountains. The latter is a dwarf 

 form with shorter flowers than in the type and with petal s purple-tipped. No. 728 



> Gray, PI. Wright, i. 52 (1852). 





