Part 7, 1929] FABACEAE: GALEGEAE 447 



arched at the middle, rounded at the apex; pod thick, leathery, oblong, 1 cm. long, 5 mm. thick 

 and about as wide, glabrous, cross-reticulate, abruptly contracted at both ends; seeds brown, 

 obliquely round-reniform, 1.5 mm. long. 



Type locality: Carolina. 



Distribution: Maryland to West Virginia and Georgia. 



Illustrations: Hill, Veg. Syst. 22: pi. 14, f. 3; M. E. Jones, Rev. Astrag. pi. 39; Dill. Hort. 

 Elth. pi. 39. 



17. Astragalus canadensis L. Sp. PI. 757. 1753. 



Tragacanlha canadensis Kuntze, Rev. Gen. 943. 1891. 



Phaca canadensis MacMill. Metasp. Minn. Valley 325, as synonym. 1892. 



Astragalus canadensis monlicola Gand. Bull. Soc. Bot. Fr. 48: xv. 1902. 



A perennial; stem 1-1.5 m. high, striate and slightly angled, strigose or in age glabrate; 

 leaves ascending, 8-20 cm. long; stipules deltoid, 4—6 mm. long, acuminate; leaflets 15-31, 

 elliptic or oblong, 1-3.5 cm. long, 5-15 mm. wide, glabrous above, decidedly strigose beneath, 

 rounded at each end; peduncles 5-15 cm. long, strict, sulcate; racemes 5-10 cm. long; bracts 

 subulate, 5-S mm. long; flowers spreading or reflexed; pedicels about 1 mm. long; calyx finely 

 strigose, the tube 5-6 mm. long, 2.5 mm. broad, the teeth subulate 1.5-2 mm. long; corolla 

 greenish-white or ochroleucous, 12-15 mm. long; banner obovate, slightly arcuate; wings 

 shorter, the blade lance-oblong, shorter than the claw, with a large reflexed basal auricle; keel- 

 petals still shorter, the blade broadly lunate, abruptly arched above the middle, rounded at the 

 apex; pod thick-leathery, oblong, abruptly acute, cross-reticulate, 15- IS mm. long, 6 mm. 

 thick and wide; seeds dark-brown, obliquely reniform 2, mm. long. 



Type locality: Canada. 



Distribution: Among bushes, from Quebec to Hudson Bay, British Columbia, Utah, north 

 Texas, and Virginia. 



Illustrations: Hill. Veg. Syst. 22: pi. 15, f. 1; Lodd. Bot. Cab. pi. 372; Torr. Fl. N. Y. pi. 25; 

 M. E. Jones. Rev. Astrag. pi. 39; Britt. & Brown, III. Fl. f. 2130; ed. 2./. 2535 (both as .4. carolini- 

 anus); Fl. Neb. 21: pi. 9,f. 16-21; Clements, Rocky Mt. Fl. pi. 29, f. 28. 



18. Astragalus Halei Rydberg, sp. nov. 



A perennial; stem probably 5 dm. high or more, terete, scarcely even striate, glabrous or 

 sparingly strigulose; leaves ascending, about 1.5 dm. long; stipules deltoid, distinct, about 5 

 mm. long; leaflets 15-21, thin, 1-3 cm. long, elliptic, rounded at the apex, obtuse at the base, 

 glabrous above, strigulose beneath; peduncles 5-8 cm. long; racemes 3-5 cm. long, not dense; 

 bracts subulate, 4—6 mm. long; pedicels very short, in fruit 3 mm. long; calyx sparingly strigose, 

 the tube 5 mm. long, 2 mm. broad, gibbous at the base on the upper side, the teeth subulate, 

 a little more than 1 mm. long; corolla cream-colored, 14—15 mm. long; banner narrowly 

 obovate, slightly arched; wings a little shorter, the blade oblong, with a large reflexed basal 

 auricle; keel-petals nearly as long, the blade broadly lunate, rounded at the apex, with a 

 round auricle; pod spreading or slightly reflexed, sessile, subterete, glabrous, transversely 

 reticulate, slightly arched, abruptly acute at each end, the beak short, recurved. 



Type collected in Louisiana, Dr. Hale 313 (Torrey Herbarium, flowers); also at Shreveport, 

 Cocks 3624 (fruit). 



Distribution: Louisiana to Alabama. 



19. Astragalus oreophilus Rydb. Bull. Torrey Club 31 : 561. 1904. 



A perennial; stem erect, 3-6 dm. high, sparingly strigose, branched; leaves about 15 cm. 

 long; stipules deltoid to lanceolate, strigose, acuminate, 4-5 mm. long; leaflets 7-23, oblong or 

 elliptic, about 3 cm. long, strigose on both sides, glabrate above; peduncles 5-15 dm. long; 

 racemes 5-10 cm. long; bracts lanceolate, acuminate, 3-5 mm. long; pedicels very short; calyx 

 white-pubescent with short hairs, the tube about 5 mm. long; lower calyx-teeth subulate, 1.5 

 mm. long, the upper lanceolate, shorter and broader; corolla like that of .4. canadensis; pod 

 oblong, about 1.5 cm. long, 5 mm. thick, glabrous, leathery, almost terete; seeds brown, 

 obliquely reniform, 2 mm. long. 



Type locality: Pagosa Springs, Colorado. 

 Distribution: Colorado and northern New Mexico. 



