Part 6, 1929] FABACEAE: GALEGEAE 319 



stipules deltoid, 6-10 cm. long, acuminate, green, pilose; leaflets 19-25, elliptic to suborbicular, 

 7-15 mm. long, obtuse or cuneate at the base, rounded or those of the earlier leaves retuse at 

 the apex, bright-grten, more or less pilose on both sides; peduncles 3-5 cm. long; racemes short, 

 6-10-flowered; bracts subulate, 3-5 mm. long; calyx villous-pilose, the tube 4-5 mm. long, the 

 teeth subulate, 5 mm. long; coiolla white, about 15 mm. long; banner obovate, tapering to a 

 claw-like base, rounded or broadly retuse at the apex; wings about 12 mm. long, the blade 

 obliquely obovate, about as long as the slender claw, with a rather large rounded auricle; 

 keel-petals similar but moie oblique, slightly shorter, rounded at the apex, with a smaller auricle 

 and a broader claw; pod leathery, cross-reticulate, pilose, lanceolate in outline, long-acuminate, 

 arcuate, somewhat depressed, strongly sulcate on the lower sutuie, the upper suture slightly 

 sulcate at least at the base, 2.5-3 cm. long, 5 mm. wide and 7 mm. thick. 



Type locality: Gravelly banks along Clear Creek, Colorado. 

 Distribution: Colorado and southern Wyoming. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 56, f. 182. 



12. Batidophaca villosa (Miehx.) Rydberg. 



Astragalus villosus Michx. Fl. Bor. Am. 2: 67. 1803. 

 Phaca rillosa Nutt. Gen. 2: 97. 1818. 

 Tragacantha villosa Kuntze, Rev. Gen. 949. 1891. 

 Astragalus intonsus Sheldon. Minn. Bot. Stud. 1: 23. 1894. 

 Tium intonsum Rydb.; Small, Fl. SE. U. S. 619, 1332. 1903. 



A perennial, with a taproot and branched at the base; stems numerous, often partly sub- 

 terranean, decumbent, 1-2 dm. long, pilose with long spreading white hairs; leaves spreading, 

 4—8 cm. long; stipules connate, green, lanceolate, attenuate, 6-9 mm. long; rachis pilose; 

 leaflets 9-17, oval or orbicular, 5-10 mm. long, rounded or larely retuse at the apex, glabrous 

 above, pilose beneath; peduncles 5-10 cm. long, pilose; raceme dense and short, 2-3 cm. long; 

 bracts subulate, 2-3 mm. long; calyx long-pilose, the tube 3 mm. long, the teeth subequal, 

 subulate, 3 mm. long; corolla cream-colored or white, 8-10 mm. long; banner obovate, rounded 

 at the apex; wings nearly as long, the blade obliquely ovate, arcuate, longer than the claw, 

 with a reflexed rounded auricle; keel-petals broader, 7-S mm. long; pod narrowly lanceolate in 

 outline, arcuate, about 2 cm. long, 6 mm. wide, densely pilose, acute at each end, the upper 

 suture acute, the lower suture sulcate, the cross-section cordate. 



Type locality: Georgia. 



Distribution: Florida, Georgia, and Alabama. 



Illustration: M. E. Jones, Rev. Astrag. pi. 26, f. 81; Am. Jour. Bot. 16: pi. 16 M. 



13. Batidophaca desperata (M. E. Jones) Rydberg. 



Astragalus desperatus M. E. Jones, Zoe. 2: 243. 1891. 

 Tium desperatum Rydb. Bull. Torrey Club 32: 660. 1906. 

 ^Astragalus naturitensis Payson, Bot. Gaz. 60: 317. 1915. 



A cespitose perennial, with a deep woody root; stems numerous, very short; leaves spread- 

 ing, 3-6 cm. long; stipules imbricate, 4-5 mm. long, ovate, hyaline, hirsute; leaflets 9-13, 

 lance-elliptic to obovate, obtuse, 5-10 mm. long, silky-strigose on both sides; peduncles strict, 

 3-7 cm. long; bracts broadly elliptic or ovate, hyaline, 3-5 mm. long; flowers reflexed in age; 

 calyx strigose, the tube 5 mm. long, 3 mm. broad, reddish, the teeth triangular, about 2 mm. 

 long; corolla purple, 12-15 mm. long; banner obovate, abruptly arched, striately purple-veined; 

 wings shorter, the blades linear-oblong, falcate; keel-petals shorter, gradually arched, 3 mm. 

 wide, obtuse, dark-purple; pod lunate, acute at each end, more strongly curved towards the 

 apex, hirsute with long hairs, which are pustulate at the base, 1-2.5 cm. long, 3-4 mm. wide, 

 4—5 mm. thick, acute on the upper suture, more or less sulcate on the lower, sometimes more or 

 less dorso-ventrally compressed, broadly cordate in cross-section. 



Type locality: Along Grand River, in eastern Utah. 



Distribution: Eastern Utah, western Colorado, and northern Arizona. 



Illustration: M. E. Jones, Rev. Astrag. pi. 45. f. 164. 



