Part 5, 1929] FABACEAE: GALEGEAE 287 



shorter, the blade semicircular; pod white-strigose, about 8 mm. long, 3.5 mm. thick, and 2.5 

 mm. wide, acute on the dorsal suture, oval in cross-section. 



Type locality: Willow Springs on the Moencoppa, northern Arizona. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 62, f. 700. 



11. Cnemidophacos toanus (M. E. Jones) Rydberg. 



Astragalus toanus M. E. Jones, Zoe 3: 296. 1893. 



A cespitose perennial; stems many, sulcate, sparingly strigose, 3-6 dm. long; leaves 

 ascending, about 1 cm. long, often reduced to the rachis; stipules broadly deltoid, subulate- 

 tipped; leaflets few, linear, 1-2 cm. long, or wanting, especially the terminal one; peduncles 

 1-1.5 dm. long, erect; racemes about 5 cm. long; bracts lanceolate, 2 mm. long; pedicels 1.5-2 

 mm. long; calyx strigose, 5 mm. long, cleft more deeply above, the teeth deltoid, 1 mm. long; 

 corolla purple; banner oblanceolate, strongly arcuate; wings shorter, the blade slightly falcate, 

 linear, white- tipped; keel-petals still shorter, the blades obliquely oblanceolate; pod obliquely 

 lance-oblong, 1 .5-2 cm. long, 4-5 mm. wide, subterete, glabrous, acuminate at the apex, rounded 

 at the base. 



Type locality: Toano Range, eastern Nevada. 



Distribution: Nevada. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 29, f. 101; pi. 73. 



12. Cnemidophacos rafaelensis (M. E. Jones) Rydberg. 



Astragalus rafaelensis M. E. Jones, Rev. Astrag. 146. 1924. 



Astragalus linifolius Osterhout, Bull. Torrey Club 55: 75. 1928. 



Ctenophyllum linifolium Osterhout, Bull Torrey Club 55: 75, as synonym. 1928. 



A cespitose perennial; stems many, about 5 dm. high, glabrous, somewhat striate, slightly 

 flexuose; leaves ascending, 5-10 cm. long, the rachis filiform, channeled, with a long slender 

 tip, without a distinct terminal leaflet; leaflets 2-4, filiform, 1-2 cm. long, less than 1 mm. wide, 

 glabrous; stipules deltoid, connate, 2-3 mm. long; peduncles erect, slender, 1-1.5 dm. long; 

 raceme lax, 5-10 cm. long; bracts lanceolate, 2 mm. long; calyx glabrous except the ciliolate 

 margins, the tube 5 mm. long, the teeth subulate, 2 mm. long; corolla pink, or white tinged with 

 pink, the keel purple-tipped; banner obovate, about 2 cm. long, moderately arched at the 

 middle; wings IS mm. long, the blade oblong, with a reflexed basal auricle, twice as long as the 

 claw; keel-petals 15 mm. long, the blade broadly obliquely lunate, with a small auricle; pod 

 according to Jones reflexed, but in better specimens ascending, with both sutures prominent, 

 elliptic-oblong, 12-15 mm. long, 5 mm. wide, and 4 mm. thick, slightly wrinkled; seed dark- 

 brown, nearly round, 1.5 mm. long. 



Type locality: Cedar Mountain, near Woodside, Utah. 

 Distribution: Type locality and Grand Junction, Colorado. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 30. 



13. Cnemidophacos Grayi (Parry) Rydberg. 



Astragalus Grayi Parry; S. Wats. Am. Nat. 8: 212. 1874. 

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

 Ctenophyllum Grayi Rydb. Bull. Torrey Club 40: 50. 1913. 



A perennial, with a woody root and short cespitose caudex; stems several, erect and strict, 

 3-4 dm. high, sulcate, sparingly strigose; leaves ascending, 5-8 cm. long, the rachis grooved 

 above, sparingly strigose; stipules connate, deltoid, 6-S mm. long; leaflets 7-9, linear, 2-3 cm. 

 long, 3-5 mm. wide, firm, veined, acute at the base, obtuse at the apex, sessile; peduncles 5-8 

 cm. long, strict; racemes dense, 4—5 cm. long; bracts lanceolate, 4—6 mm. long; pedicels about 

 2 mm. long; calyx black-hairy, the tube 8 mm. long, 4 mm. broad, the teeth lance-subulate, 

 3-4 mm. long; corolla ochroleucous, about 2.5 cm. long; banner ovate, only slightly arcuate; 

 wings fully 2 cm. long, the blades oblong, scarcely falcate, with a reflexed auricle; keel-petals 

 much shorter, about 16 mm. long, the blade obliquely obovate, with a reflexed auricle, the apex 



