60 MINNESOTA BOTANICAL STUDIES. 



Perennial, many stemmed from the thick root; stems 3 to 8 

 dm. high, rigid, erect spreading, glabrous; leaves 4 to 10 cm. in 

 length, rachis grooved above, slightly keeled below; leaflets 10 

 to 20 mm. in length, in five to ten pairs, elliptical or narrowly 

 oblong, obtuse or retuse, smooth above, but minutely rough- 

 ened with §at, appressed hairs beneath; stipules triangular- 

 acute, reflexed; peduncles as long as the leaves, subcapitately 

 eight to fifteen flowered; floivers 15 to 17 mm. in length, becom- 

 ing reflexed; cahjx short-cylindrical, grayish pubescent, often 

 purplish when fresh, the subulate teeth shorter than the tube; 

 corolla white or ochroleucous; legume 2 to 2.5 cm. in length, 

 coriaceous, inflated, ovate-globose, acute, glabrous, reticulated 

 and minutely transversely rugose-veined, unilocular, but both 

 sutures becoming intruded with age, lined within with cob- 

 webby hairs which traverse the cavity, many seeded. 



North America: Western Quebec, Ont., N. Y. and along the 

 Great Lakes to Wise, Iowa and N. Minn. 



Minnesota: Otter Tail, Itasca and Goodhue counties. 



Minn, specimens in herb: Sandberg 1100, Itasca Jake; Sheldon 

 3826, Dalton, Otter Tail county; Sheldon 3414, Eagle lake. Otter 

 Tail county; Sheldon 3534, Lake Belmont, Otter Tail county; 

 Sheldon 3800, Fergus Palls. 



Astragalus flexiiosus Dougl. in G. Don. Gen. Syst. Gard. 

 &Bot. 2:256. 1832. 



P/iacrt ^exuosa Hook. Fl. Bor.-Am. 1: 140. 1833. 

 Phaca elongata Hook. F1, Bor.-Am. 1: 140. 1833, 



Perennial, ashy-puberulent; stems 3 to 6 dm. in length, ascend- 

 ing or decumbent, often branching; leaves 4 to 6 cm. in length, 

 in five to ten pairs, oblong or linear-obovate, obtuse or retuse; 

 stipules connate below but triangular-acuminate and often re- 

 flexed above; pt^diincles 8 to 16 cm. in length, often striate, 

 loosely racemed; floivers 8 to 10 mm. in length, pedicelled, be- 

 coming reflexed; calyx campanulate, with short, triangular 

 teeth; corolla white or purplish; legume 15 to 20 mm. in length, 

 coriaceous, linear -oblong, flattish, becoming cylindric and 

 arcuate with age, slightly puberulent, very short-stipitate with- 

 in the calyx, unilocular, six to ten seeded. 



North America: Saskatchewan, Brit. Col., N. W. T., Assini- 

 boia and lat. 50"" N. to Minn., W. to Mont., S. to Colo, and Nebr. 



Minnesota: Chippewa, Big Stone and Traverse counties. 



Minn, specimens in herb: Moyer 254, Montevideo; Sheldon 

 7284i Graceville; Sheldon 7169. Brown's Valley. The two latter 



