396 NORTH AMERICAN FLORA [Volume 24 



with a large auricle; keel-petals much shorter, the blade broadly lunate, purple-tipped; pod 

 drooping, short-stipitate, the body 1.5-2 cm. long, less than 3 mm. wide, and about 4 mm. thick, 

 sulcate on the lower suture, strigose, purple-blotched. 



Type locality: Hot Hole, East Fork of Bruneau, Owyhee County, Idaho. 

 Distribution: Idaho, northern Nevada, and eastern Oregon. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 41. 



30. Tium Salmonis (M. E. Jones) Rydberg. 



Astragalus Salmonis M. E. Jones, Contr. W. Bot. 8: 9. 1898. 



A perennial, with a woody taproot and short cespitose caudex ; stems many, 1-2.5 dm. high, 

 ascending, strigose, 5-10 em. long; stipules deltoid, scarious, 3-4 mm. long; leaflets 11-15, 

 oblong to elliptic, 3-5 mm. long, obtuse, strigose beneath, glabrate above; peduncles 5-10 cm. 

 long, erect or ascending; racemes 3-5-flowered, 1-3 cm. long; bracts ovate or lanceolate, 1-2 

 mm. long; pedicels 2-4 mm. long; calyx strigose, the tube 3 mm. long, 2 mm. wide, the teeth 

 subulate, 2 mm. long; corolla purple-tinged or white, 8-10 mm. long; banner obovate, strongly- 

 arched at the middle; wings slightly shorter, the blade oblong-falcate with a reflexed auricle; 

 keel-petals much shorter, the blade broadly lunate, obtuse; pod subsessile, pendent, the body 

 inverted boat-shaped, purple-blotched, strigose, about 2 cm. long, 4 mm. wide, and 6 mm. 

 thick, broadly sulcate on the lower suture, the septum very narrow. 



Typb locality: Trout Creek, Blue Mountains, Oregon. 



Distribution: Eastern Oregon. 



Illustration: M. E. Jones, Rev. Astrag. pi. 41, f. 136. 



31. Tium panamintense (Sheldon) Rydb. 



Astragalus panamintensis Sheldon, Contr. U. S. Nat. Herb. 4: 87. 1893. 

 Astragalus atratus panaminlensis Jepson, Man. Fl. PI. Calif. 575. 1925. , 



A perennial, much branched from a woody base; stems numerous, 5-15 cm. high, slender, 

 ashy-strigose ; leaves ascending, 5-12 cm. long, the rachis filiform; stipules deltoid, 1 mm. long; 

 leaflets 7-1 1, linear or narrowly lance-linear, acute, 5-10 mm. long, 0.5-2 mm. wide, cinereous- 

 strigose, often falcate; peduncles 4-5 cm. long, slender; bracts subulate, I mm. long; racemes 

 1-4-flowered; pedicels 1 mm. long; calyx strigose, with mixed black and white hairs, the tube 

 4 mm. long, 2.5 mm. broad, the teeth subulate, 3 mm. long; corolla white, tipped with purple, 

 12-15 mm. long; banner oval-obovate, abruptly arched; wings slightly shorter, the blades 

 oblong with a large basal-auricle; keel-petals much shorter, the blade broad, abruptly arched 

 near the apex, with a truncate tip; pod oblong, acutish at each end, nearly straight, about 15 

 mm. long, 4 mm. wide, and 3 mm. thick, strigulose, mottled, the upper suture acute, the lower 

 sulcate except towards the apex, with a partial septum towards the base, the cross-section 

 inverted Y-shaped. 



Type locality: Surprise Canyon, Panamint Mountains, California. 

 Distribution: Panamint Mountains, California. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 42. 



32. Tium Egglestonii Rydberg, sp. nov. 



A cespitose perennial; stems woody at the base, usually erect, 2-3 dm. high, branched, 

 striate, sparingly strigose; leaves ascending, 3-6 cm. long; stipules broadly deltoid, 2-3 mm. 

 long; leaflets 15-25, oblong, 4-7 mm. long, 1-2 mm. wide, bright-green, obtuse, glabrate above, 

 strigose beneath; peduncles 5-12 cm. long, erect, striate; racemes 5-8 cm. long; bracts ovate, 

 1 mm. long; calyx sparingly black-strigose, the tube 2 mm. long, the teeth 1 mm. long, subulate; 

 corolla ochroleucous ; banner broadly obovate, retuse, 7-8 mm. long, strongly arched; wings 

 6-7 mm. long, the blade elliptic; keel-petals 5-6 mm. long, the blade broadly lunate, strongly 

 arched, rounded at the apex; pod about 2 cm. long, nearly 3 mm. wide and thick, membranous, 

 reticulate, glabrous, tapering at each end, substipitate at the base, triangular-cordate in cross- 

 section. 



Type collected in Datil Forest, Socorro County, New Mexico, September 7, 1920, Eggleston 

 17216 (herb. N. Y. Bot. Gard). 



Distribution: New Mexico and Arizona. 



