302 NORTH AMERICAN FLORA [Volume 24 



lanceolate-elliptic, 8-15 mm. long, 3-5 mm. wide, acute at each end, strigose-canescent; pe- 

 duncles 5-12 cm. long, slender; racemes 2-7-flowered; bracts lanceolate, 3-6 mm. long; calyx 

 silky-villous with black and white hairs, the tube 7-9 mm. long, the teeth subulate, 3-4 mm. 

 long; corolla cream-white with purple-tipped keel, 2-2.5 mm. long; banner obovate, notched, 

 slightly arcuate; wings shorter, the blades linear-oblong, nearly straight; keel-petals shorter 

 and twice as broad, strongly arcuate and rounded at the tip; pod lanceolate in outline, 2-3 cm. 

 long, 8 mm. thick, and 5 mm. wide, strongly arcuate at the middle, sulcate below, rather 

 sparingly loosely silky-villous. 



Type locality: Not given [presumably Eureka, Utah). 



Distribution: Central Utah. 



Illustration: M. E. Jones, Rev. Astrag. pi. 52, f. 176. 



30. Xylophacos Watsonianus (Kuntze) Rydb. Bull. Torrey Club 

 40: 49. 1913. 



Astragalus eriocarpus S. Wats. Bot. King's Expl. 71. 1871. Not .4. eriocarpus DC. 1802. 



Tragacantha Watsoniana Kuntze, Rev. Gen. 942. 1891. 



Astragalus suturalis Sheldon. Minn. Bot. Stud. 1: 23. 18 



Astragalus Watsonianus Sheldon. Minn. Bot. Stud. 1: 144. 1894. 



Astragalus Newberryi eriocarpus M. E. Jones. Proc. Calif. Acad. II. 5: 676. 1895. 



Astragalus Newberryi Watsonianus M. E. Jones, Contr. W. Bot. 10: 68. 1902. 



A subacaulescent perennial, with a deep root and short caudex; stems less than 5 cm. long, 

 very leafy; leaves 10-15 cm. long, ascending; stipules lanceolate, 5-10 mm. long; leaflets 

 broadly cuneate-obovate, 1-1.5 cm. long, 4-10 mm. wide, rounded, truncate, or retuse at the 

 apex, densely appressed-silvery-silky on both sides; peduncles 10-12 cm. long; bracts lance- 

 subulate, 6-10 mm. long; calyx black-villous, the tube 12-14 mm. long, somewhat gibbous at 

 the base, the teeth subulate, about 5 mm. long; corolla purplish, fully 3 cm. long; banner obo- 

 vate, retuse; wings shorter, the blade oblong, with a broad auricle; keel-petals about 25 mm. 

 long, the blade broadly lunate, rounded at the apex; pod 2.5-3 cm. long, about 1 cm. broad and 

 deep, strongly arched above the middle, densely white-villous. 



Type locality: Foothills of Trinity Mountains, Nevada. 



Distribution: Central Nevada. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 52; Contr. W. Bot. 10: pi. 6. 



6. Glareosi. Cespitose perennials, usually with short stems. Leaves usually densely 

 white-villous. Corolla purplish or ochroleucous, the petals more or less arched. Pod short, 

 incurved, densely white-villous. 



31. Xylophacos inflexus (Dougl.) Rydb. Bull. Torrey Club 



40:49. 1913. 



A 



Astragalus inflexus Dougl.; Hook. Fl. Bor. Am. 1: 151. 1831. 



Tragacantha inflexa Kuntze, Rev. Gen. 945. 1891. 



Phaca inflexa Piper, Contr. U. S. Nat. Herb. 11: 369. 1906. 



A cespitose perennial; stems 1-5 dm., usually 2-3 dm. long, white-villous; leaves 7-12 cm. 

 long, ascending; lower stipules deltoid-lanceolate, attenuate, the upper subulate, 5-8 mm. long; 

 leaflets 15-27, lance-elliptic, acute at each end, 8-15 mm. long, 4-6 mm. wide, white-villous; 

 peduncles 5-10 cm. long, villous; racemes 6-1 2 -flowered, 3-5 cm. long; bracts linear-subulate, 

 attenuate, 8-15 mm. long; calyx white-villous, the tube about 1 cm. long, 4-5 mm. wide, the 

 teeth subulate, 5-7 mm. long; corolla rose-purple, 20-22 mm. long; banner obovate, retuse, 

 slightly arcuate; wings 3-4 mm. shorter, the blade oblong, with a large basal auricle; keel- 

 petals still shorter, the blade broadly lunate, almost semicircular, obtuse, much shorter than 

 the claw; pod 2-3 cm. long, 7-8 mm. thick, and 5-7 mm. wide, strongly arcuate throughout, 

 densely villous, the upper suture sulcate except towards the tip. 



Type locality: "Barren sandy grounds of the Columbia from the junction of the Lewis and 

 Clark's River to the mountains" [probably Washington]. 



Distribution: Washington, Oregon. Idaho, and western Montana. 

 Illustrations: M. E. Jones. Rev. Astrag. pi. 54, f. ISO; Contr. W. Bot. 10: pi. 4. 



