368 NORTH AMERICAN FLORA [Volume 24 



broadly lunate, rounded at the apex; pod glabrous, the stipe 5 mm. long, the body semi- 

 oblanceolate or slightly falcate, about 15 mm. long, 4-5 mm. wide, arched on the upper, nearly 

 straight on the lower suture. 



Typb locality: Wallawa Mountains, Oregon. 

 Distribution: Known only from the type locality. 



5. Atelophragma glabriusculum (Hook.) Rydb. Bull. Torrey Club 



32:660. 1906. 



Phaca glabriuscula Hook. PI. Bor. Am. 1: 144. 1831. 



Astragalus glabriusctdus A. Gray, Proc. Am. Acad. 6: 204. 1864. 



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



Astragalus aboriginum glabriusctdus Rvdb. Contr. U. S. Nat. Herb. 3: 492. 1896. 



Homalobus glabriusctdus Rydb. Mem. N. Y. Bot. Gard. 1: 246. 1900. 



A perennial, with a cespitose rootstock; stems erect, 2-3 dm. high, strigose, often tinged 

 with purple; leaves ascending, 4-7 cm. long; stipules ovate to lanceolate, 4-6 mm. long; leaflets 

 7-11, linear, 1-2.5 cm. long, 1-2 mm. wide, glabrous above, sparingly strigose beneath; pe- 

 duncles 3-7 cm. long; racemes 2-7 cm. long; bracts subulate, 3-4 mm. long; calyx strigose with 

 mostly dark hairs, the tube 3 mm. long, the teeth subulate, 2 mm. long; corolla ochroleucous, 

 with purple-tipped keel; banner about 8 mm. long, retuse, strongly arched at the middle; 

 wings shorter, the blade oblong, falcate, with a large auricle; keel-petals still shorter, the blade 

 broadly lunate; pod stipitate, glabrous, the stipe about 6 mm. long, the body lunate, 1.5-2 

 cm. long, 5 mm. wide, 3 mm. thick, the lower suture nearly straight, the septum 0.3 mm. wide. 



Type locality: Valleys of the Rocky Mountains [CanadaJ. 

 Distribution: South Dakota tto Wyoming and Alberta. 



6. Atelophragma lineare Rydb. Bull. Torrey Club 40: 50. 1913. 



Homalobus aboriginum Rydb. Bull. N. Y. Bot. Gard. 2: 176, in part. 1901. 



A perennial, with a woody taproot and a short cespitose caudex; stem grayish-strigose, 

 often tinged with purple, 2-4 dm. high; leaves 5-6 cm. long, ascending; stipules ovate or 

 lanceolate, acute, 2.4 mm. long; leaflets 9-15, linear, 1-2 cm. long, 1-2 mm. wide, grayish stri- 

 gose; peduncles 5-10 cm. long; racemes 2-3 cm. long, in fruit 6 cm. long; bracts subulate, 2-3 

 mm. long; calyx densely black-hairy, the tube 3 mm. long, the teeth subulate, 2 mm. long; 

 corolla about 8 mm. long, ochroleucous or tinged with purple, the keel purple-tipped; banner 

 obovate, retuse, strongly arched; wings shorter, broadly oblong, falcate, with a long basal 

 auricle; keel-petals still shorter, the blade broadly lunate, strongly arched towards the rounded 

 apex; pod glabrous, stipitate, the stipe 4-5 mm. long, the body 2.5-28 mm. long, convexly 

 curved on both sutures, but less so on the lower. 



Type locality: Foot of Lake Lebarge, Yukon Territory. 

 Distribution: Mackenzie and Yukon territories. 



7. Atelophragma Herriotii Rydb. Bull. Torrey Club 55: 123. 1928. 



A perennial, with a cespitose caudex; stems 2-3 dm. high, erect or decumbent at the base, 

 finely strigose; leaves ascending, 5-7 cm. long; stipules deltoid or lanceolate, 3-4 mm. long; 

 leaflets 7-11, linear, 1.5-2.5 cm. long, 1.5-3 mm. wide, densely strigose beneath, sparingly so or 

 glabrous above; peduncles 5-10 cm. long, erect; racemes at first short, elongate in age, 8-15" 

 flowered; bracts subulate, 4-5 mm. long; pedicels about 2 mm. long; calyx black-hairy, the 

 tube 2.5-3 mm. long, the teeth subulate, 1.5 mm. long; corolla cream-colored, 8-9 mm. long, 

 the keel tipped with purple; banner obovate, strongly arched; wings shorter, the blade oblong, 

 falcate, with a rounded basal auricle; keel-petals still shorter, the blade broadly semi-obovate, 

 strongly falcate, rounded at the apex; pod strigulose at least when young, the stipe 4 mm. 

 long, the body broadly semi-oblanceolate, about 15 mm. long, 2 mm. wide, the upper suture 

 arched, the lower nearly straight. 



Type locality: QuAppelle River, Manitoba. 

 Distribution: Manitoba to Alberta. 



