Part 6, 1929] FABACEAE: GALEGEAE 369 



2. Robbinsiana. Pod distinctly stipitate, rather turgid, more or less black-hairy, the 

 sutures not prominent, neither sulcate, the upper more curved than the lower. Corolla 

 purplish, rarely white, middlesized. 



8. Atelophragma Robbinsii (Oakes) Rydb. Bull. Torrey Club 

 55: 124. 1928. 



Phaca Robbinsii Oakes, Mag. Hort. Hovey 7: 181. 1841. 



Astragalus Robbinsii A. Gray. Man. ed. 2. 98. 1856. 



Tragacantha Robbinsii Kuntze. Rev. Gen. 947. 1891. 



Astragalus labradoricus Robbinsii M. E. Jones, Rev. Astrag. 134. 1923. 



A perennial, with a cespitose rootstock; stems 2-4 dm. long, slender, decumbent at the 

 base, sulcate, glabrous or nearly so; leaves ascending, 5-8 cm. long; stipules ovate or lanceolate, 

 4—5 mm. long; leaflets 9-13, elliptic or oblong, rounded or slightly retuse at the apex, glabrous 

 above, sparingly strigose beneath; peduncles 10-15 cm. long; racemes 2-3 cm. long, in fruit 

 5-10 cm. long; bracts scarious, lanceolate; pedicels 1 mm. long; calyx sparingly black-hairy; 

 corolla white, 8 mm. long; banner obovate, slightly notched, moderately arched; wings nearly 

 as long, the blade oblong, falcate, with a long basal auricle; keel-petals shorter, the blade 

 broadly lunate, more strongly arched towards the obtuse apex; pod stipitate, sparingly and 

 minutely black-hairy, the stipe 4 mm. long, the body lunate, 12-15 mm. long, 4 mm. wide, 

 abruptly acute at each end, the lower suture straight or slightly concave, the septum about 

 0.25 mm. wide, the cross-section obovate; seeds obliquely reniform, 2.5 mm. long. 



Type locality: On the banks of Onion [Winooski| River, near Burlington. Vermqjit. 



Distribution: Known only from the type locality. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 27; Britt. & Brown, 111. Fl./. 2146; ed. 2. /. 2542. 



9. Atelophragma Jesupi (Eggleston & Sheldon) Rydb. Bull. 

 Torrey Club 55: 125. 1928. 



Astragalus Robbinsii Jesupi Eggleston & Sheldon. Minn. Bot. Stud. 1: 155. 1894. 

 Astragalus Jesupi Britton. Man. 1048. 1901. 



Astragalus labradoricus M. E. Jones. Rev. Astrag. 133, in part. 1923. Not .4. labradoricus DC. 

 1825. 



A perennial, with a cespitose rootstock; stems erect, or decumbent at the base, sulcate, 

 glabrous; leaves 4-8 cm. long, ascending; stipules deflexed, lanceolate, 4-5 mm. long; leaflets 

 11-17, oblong or elliptic, rounded at the apex, 8-22 mm. long, 3-6 mm. wide, glabrous or nearly 

 so on each side; peduncles 8-15 cm. long, erect; racemes 2-3 cm. long, in fruit 3-8 cm. long; 

 bracts lance-subulate, 3 mm. long, scarious; pedicels 1-2 mm. long; calyx black-hairy, the tube 

 3-3.5 mm. long, the teeth subulate, 2 mm. long; corolla bluish-purple; banner about 1 cm. 

 long, obovate, moderately arched; wings slightly shorter, the blade oblong, slightly falcate, 

 with a long basal auricle; keel-petals much shorter, the blade obliquely obovate, rounded at 

 the apex, with a large auricle; pod black-strigose, the stipe 4—5 mm. long, the body gradually 

 acute at each end, about 15 mm. long, 5 mm. wide, 2.5 mm. thick, both sutures convexly curved, 

 but the lower less so, the septum very narrow, the cross-section elliptic; seeds obliquely reni- 

 form, suborbicular, 2 mm. long, black. 



Type locality: Hartland, Vermont. 



Distribution: Eastern Vermont and western New Hampshire. 



10. Atelophragma Blakei (Eggleston) Rydb. Bull. Torrey Club 

 55: 125. 1928. 



Astragalus Blakei Eggleston, Bot. Gaz. 20: 271. 1895. 



Astragalus Robbinsii borealis Eggleston, Bot. Gaz. 20: 271, as a synonym. 1895. 

 Astragalus labradoricus M. E. Jones, Rev. Astrag. 133, in part. 1923. Not .4. labradoricus DC. 

 1825. 



A perennial, with a cespitose rootstock; stem 3-5 dm. high, erect, or decumbent at the 

 base, sparingly strigose, angled and sulcate; leaves 3-10 cm. long, ascending; stipules ovate, 

 4-6 mm. long, acute, the upper reflexed; leaflets 11-17, oblong or elliptic, obtuse, rounded, or 

 emarginate at the apex, glabrous above, paler and strigose beneath; peduncles 8-15 cm. long, 



