Part 7, 1929) FABACEAE: GALEGEAE 389 



8. Tium Howellii (A. Gray) Rydberg. 



Astragalus Howelli A. Gray, Proc. Am. Acad. 15: 46. 1879. 



A perennial, with a woody root and cespitose caudex; sterns ascending, branched, finely 

 pubescent with kinky hairs; leaves 5-10 cm. long, ascending; stipules deltoid, thick, 5-7 mm. 

 long; leaflets 15-19, oblong, short-villous on both sides, 6-10 mm. long, 2-3 mm. wide, obtuse; 

 peduncles 5-10 cm. long, sulcate, villous; racemes 2-10 cm. long; bracts lanceolate, 1-2 mm. 

 long; pedicels reflexed, 1-2 mm. long; calyx short-villous, the tube 4 mm. long, 2.5 mm. broad, 

 the teeth subulate, 2 mm. long; corolla dirty-white or yellowish, 12 mm. long; banner obovate, 

 retuse, rather strongly arched; wings shorter, the blade oblong-oblanceolate, falcate, obtuse, 

 with a large auricle; keel-petals still shorter, the blade broadly obovate-lunate, more strongly 

 curved towards the rounded apex; pod villous-puberulent, stipitate, the stipe nearly 1 cm. long, 

 the body lance-linear, tapering at each end, slightly falcate, about 2 cm. long, 4 mm. wide, and 

 3 mm. thick, the upper suture acute, the lower sulcate, the cross-section cordate, the septum 

 2 mm. wide, nearly meeting the upper suture. 



Type locality: Wasco County, southeastern Oregon. 



Distribution: Southern Oregon. 



Illustration: M. E. Jones, Rev. Astrag. pi. 66, f. 228. 



9. Tium misellum (S. Wats.) Rydberg. 



Astragalus miscllus S. Wats. Proc. Am. Acad. 21: 449. 1886. 



Astragalus drepanolobus aberrans M. E. Jones, Contr. W. Bot. 10: 64. 1902. 



Phaca misella Piper, Contr. U. S. Nat. Herb. II: 371. 1906. 



Astragalus Howellii misellus M. E. Jones, Rev. Astrag. 262. 1923. 



A perennial, with cespitose caudex; stems 1-3 dm. high, decumbent at the base, short- 

 pubescent; leaves 3-6 cm. long, ascending; stipules deltoid, 2 mm. long; leaflets 13-17, oblong 

 or elliptic, 5-10 mm. long, 1-3 mm. wide, glabrous above, sparingly pubescent beneath, obtuse; 

 peduncles 2-5 cm. long; racemes 2-3 cm. long; bracts lanceolate, about 1 mm. long; pedicels 

 1-2 mm. long, recurved; calyx short-villous, the tube 2.5-3 mm. long, the teeth lance-subulate, 

 1 mm. long; corolla yellowish, 7-8 mm. long; banner obovate; wings shorter, the blade obliquely 

 oblanceolate, falcate, with a large auricle, as long as the claw; keel-petals much shorter, the 

 blade almost semiorbicular; pod short-villous, stipitate, the stipe 3-5 mm. long, the body 

 lance-linear, tapering at each end, falcate, 15- IS mm. long, 3 mm. wide and about as thick, 

 the upper suture acute, the lower sulcate, the cross-section cordate, the septum 1.5 mm. wide, 

 nearly meeting the upper suture. 



Type locality: Mitchell, Wasco County. Oregon. 

 Distribution: Oregon and southeastern Washington. 

 Illustrations: M. E. Jones, Rev. Astrag. pi. 66; pi. 67. 



10. Tium inyoense (Sheldon) Rydberg. 



Astragalus inyocnsis Sheldon, Contr. U. S. Nat. Herb. 4: 86. 1893. 



A perennial, with a cespitose caudex; stems erect or decumbent at the base, glabrate or 

 sparingly strigulose, 3-6 dm. high, loosely branched; leaves 2-4 cm. long, spreading; stipules 

 deltoid, acute, reflexed, 2 mm. long; leaflets 17-21, oval or obovate, rounded or retuse at the 

 apex, cuneate at the base, 4-6 mm. long, glabrous above, white-strigose beneath; peduncles 

 5-10 cm. long, strigulose; racemes 2-8 cm. long; bracts lanceolate, 2 mm. long; pedicels 2 mm. 

 long; calyx strigose-canescent, the tube 3 mm. long, 2 mm. broad, the teeth lance-subulate, 

 acute, 1.5 mm. long; corolla purple, about 10 mm. long; banner obovate, rather strongly arched; 

 wings nearly as long, the blade obliquely obovate, the claw orange; keel-petals nearly as long, 

 orange, with dark-purple tip, the blade broadly obovate, rounded at the apex; pod rather thin- 

 walled, somewhat inflated, canescent-strigulose, the stipe 3-4 mm. long, the body slightly 

 falcate, lanceolate, tapering at each end, 12-15 mm. long, 4-5 mm. wide, 6 mm. thick, the 

 lower suture deeply sulcate, the cross-section cordate, with a narrow partial septum. 



T\TE locality: Darwin Mesa, near Mill Creek Divide, Inyo County, California. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 67, f. 230. 



