Part 5, 1929] FABACEAE: GALEGEAE 313 



white, IS— 20 ram. long; banner oblanceolate, only slightly arched; wings nearly as long, the 

 blade linear-oblong, falcate, with a long recurved auricle, obtuse; keel-petals shorter, the 

 blade lunate with a long, lanceolate, reflexed auricle; pod glabrous, stipitate, the stipe nearly 

 1 cm. long, the body linear, acute at each end, 3-4 cm. long, 2 mm. wide, and 3 mm. thick, 

 the cross-section rhombic; seeds brown, obliquely reniform, 4 mm. long, 2 mm. wide. 



Type locality: Near Santa Fe, New Mexico. 

 Distribution: Colorado, Utah, and New Mexico. 



Illustrations: M. E. Jones. Rev. Astrag. pi. 64. f. 214, a. b; Clements. Rocky Mt. FI. pi. IV, 

 f. 21. 



2. Lonchophaca rnacra (A. Gray) Rydberg. 



Astragalus lonchocarpus cymbocarpus A. Gray. ins. 

 Astragalus macer A. Nels. Bot. Gaz. 56: 65. 1913. 



A perennial; stem striate, canescent-strigose, erect and strict, 3-4 dm. high; leaves 4—8 

 cm. long, ascending; stipules deltoid, 2-4 mm. long; leaflets 3-7, linear or oblong, 1-2 cm. long, 

 or the terminal one longer and continuous with the rachis, canescent-strigose; peduncles 10-15 

 cm. long, erect; bracts lanceolate, 2 mm. long; pedicels 2-4 mm. long; calyx canescent, the 

 tube 5 mm. long, 3 mm. broad, the teeth broadly triangular, 1 mm. long; corolla ochroleucous, 

 10—12 mm. long, similar to that of L. macrocarpa; pod glabrate, leathery, reticulate, the stipe 

 8-12 mm. long, strigose, the body oblanceolate in outline, obcompressed, 2.5-3 cm. long, about 

 4 mm. wide, 5—6 mm. thick, subrhombic in cross-section, the sutures prominent; seeds dark- 

 brown, shining, obliquely reniform, 3.5 mm. long, 2 mm. wide. 



Type locality : Paradox Valley, Colorado. 

 Distribution: Western Colorado to central Utah. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 64, f. 214, c. 



3. Lonchophaca Osterhoutii (M. E. Jones) Rydberg. 



Astragalus Osterhoutii M. E. Jones, Rev. Astrag. 251. 1923. 



A perennial; stem 5-10 dm. high, angled, glabrous or nearly so; leaves ascending, 5-10 

 cm. long, the rachis sulcate, glabrous; stipules broadly deltoid, connate around the stem; 

 leaflets 9-1 1, thick, linear, obtuse, often somewhat falcate, 2-3 cm. long, 2-4 mm. wide, involute 

 on the margins; peduncle 10-15 cm. long; racemes 3-10 cm. long; bracts lanceolate, 1-2 mm. 

 long; pedicels 3-4 mm. long; calyx strigose with black hairs, the tube 6 mm. long, 2.5 mm. 

 broad, the teeth lance-deltoid, 1 mm. long, obtuse; corolla ochroleucous, about 2 cm. long; 

 banner oblanceolate, moderately arched at the middle ; wings shorter, the blade oblanceolate, 

 with a recurved auricle ; keel-petals very much shorter, the blade lunate with a rounded auricle ; 

 pod short-stipitate, glabrous, the stipe shorter than the calyx-tube, the body linear, tapering 

 at each end, about 4 cm. long, 4—5 mm. wide, and about as thick, the cross-section elliptic, 

 the sutures prominent; seed obliquely reniform, 5 mm. long, 3 mm. wide. 



Type locality: Sulphur Springs, Colorado. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones. Rev. Astrag. pi. 64, /. 212. 



4. Lonchophaca duchesnensis (M. E. Jones) Rydberg. 



Astragalus duchesnensis M. E. Jones, Contr. W. Bot. 13: 9. 1910. 



A perennial, with a horizontal rootstock, branched at the base; stem striate, canescent- 

 strigose; 3-4 dm. high; leaves 5-10 cm. long; stipules deltoid, about 5 mm. long; leaflets 7-9, 

 linear, 1-2 cm. long, 1-2 mm. wide, glabrate above, grayish-strigose beneath, the margins 

 involute; racemes lax, 1-2 dm. long; bracts deltoid, 1-2 mm. long; pedicels about 2 mm. long; 

 calyx short-cylindric, often reddish, black- and white-strigose, the tube about 3 mm. long, 2 

 mm. broad, the teeth deltoid, 1 mm. long; corolla purplish with a purple-tipped keel; banner 

 10-12 mm. long, rather strongly arched at the middle, obovate; wings slightly shorter, the blade 

 obliquely oblanceolate, falcate; keel-petals shorter, the blade lunate, rounded at the apex; 



