Part 6, 1929] FABACEAE: GALEGEAE 325 



the teeth deltoid-subulate less than 1 mm. long; corolla whitish or tinged with purple; banner 

 obovate, 8-10 mm. long, tapering below into a broad claw, retuse at the apex; wings 7-8 mm. 

 long, the blade lunate, acutish, a little longer than the claw, with a rounded apex and a large 

 basal auricle; pod linear, terete, 1.5-2 cm. long, 3-4 mm. wide and thick, strigose, the stipe 

 about 1 mm. long; seeds obliquely reniform, 2.5 mm. long. 



Type locality: Red River, Manitoba. 



Distribution: Manitoba to Alberta, New Mexico, and Kansas. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 43, f. 153; Britt. & Brown, 111. Fl. f. 2142; ed. 2 

 /. 2552; Fl.Neb. 21: pi. 9,f. 10-12; Clements, Rocky Mt. Fl. pi. 29, f. 22. 



6. Pisophaca pinonis (M. E. Jones) Rydberg. 



Astragalus pinonis M. E. Jones, Contr. W. Bot. 8: 14. 1898. 



A perennial, with a rootstock; stem branched below, flexuose, 1-2 dm. high, strigose- 

 canescent; leaves 5-7 cm. long, spreading; stipules deltoid, 1-2 mm. long, distinct, membrana- 

 ceous; leaflets 9-21, linear, rounded at each end, 8-15 mm. long, 2 mm. wide, strigose-canescent 

 on both sides; peduncles 2-4 cm. long; racemes 2-3 cm. long; pedicels 3-4 mm. long; calyx 

 strigose, the tube turbinate, 2 mm. long, the teeth subulate, 1.5 mm. long; corolla purple, about 

 8 mm. long; banner obovate, about equaled by the wings and keel; pods narrowly oblanceolate, 

 short-stipitate, strigose, about 2 cm. long, 4 cm. wide, tapering at each end; many-seeded. 



Type locality: Frisco, Utah. 



Distribution: Known only from the type locality. 



Illustration: M. E. Jones Rev. Astrag. pi. 44. 



7. Pisophaca elongata (Hook.) Rydberg. 



Phaca elongata Hook. Fl. Bor. Am. 1: 140. 1831. 



Astragalus flexuosits elongatus M. E. Jones, Contr. W. Bot. 10: 58. 1902. 



A perennial, with branched rootstock; stem erect, 3-5 dm. high, grayish-canescent; lower 

 stipules broadly deltoid, connate, the upper ones lanceolate, distinct; leaves 4—8 cm. long, 

 spreading; leaflets 15-19, linear or those of the lower leaves oblong or oblanceolate, 5-15 mm. 

 long, 1-2 mm. wide, strigose beneath, glabrous above; peduncles 5-10 cm. long; racemes 5-10 

 cm. long, lax; calyx strigose, the tube 3 mm. long, the lobes deltoid, slightly more than 0.5 mm. 

 long; corolla whitish; banner obovate, with a broad claw, deeply notched; wings nearly as long, 

 the blade lunate, acutish; keel-petals 6-7 mm. long, with a rounded apex; pod linear, 12-18 

 mm. long, 2- 2.5 mm. wide and thick, usually somewhat curved upwards. 



Type locality: Plains of the Saskatchewan. 



Distribution: Saskatchewan to Alberta, Montana, and Minnesota. 



Illustration: M. E. Jones, Rev. Astrag. pi. 43. 



8. Pisophaca Salidae Rydberg. 



Homalobus Salidae Rydb. Bull. Torrey Club 32: 667. 1906. 



A perennial; stem decumbent or ascending, about 3 dm. long; stipules deltoid-ovate, 

 strigose; leaves 5-7 cm. long; leaflets 15-21, oblong-oblanceolate to linear, 8-15 mm. long, 

 0.5-3 mm. wide, strigose beneath, nearly glabrous above; peduncles 5-10 cm. long; racemes lax, 

 6-8 cm. long; pedicels 5 mm. long, ascending; calyx strigose, slightly black-hairy, the tube 

 about 3 mm. long, the teeth deltoid, less than 1 mm. long; corolla purple-veined; banner about 

 8 mm. long; wings nearly as long, with a lunate blade; keel-petals 6 mm. long, with a rounded 

 apex; pod nairowly linear-oblanceolate, terete or nearly so, 2-2.5 cm. long, 2 mm. wide and 

 thick, finely strigose, acute at the apex, tapering into the short stipe below. 



Type locality: Salida, Colorado. 



Distribution: Known only from the type locality. 



