388 NORTH AMERICAN FLORA [Volume 24 



strigose or glabrate beneath; peduncles 5-10 cm. long; racemes 3-5 cm. long; bracts subulate, 

 3-5 mm. long; flowers drooping; pedicels about 5 mm. long; calyx more or less black-hairy, 

 the tube 6-7 mm. long, 3 mm. broad, the teeth subulate, 3 mm. long; corolla white, about 2 

 cm. long; banner lanceolate, notched at the apex, moderately arched at the middle; wings about 

 18 mm. long, the blade narrowly oblanceolate, falcate, with a large reflexed auricle; keel-petals 

 about 15 mm. long, the blade shorter than the claw, obliquely obovate, abruptly arched near 

 the blunt apex; pod glabrous, stipitate, the stipe 6-7 mm. long, the body linear, falcate, 2-2.5 

 cm. long, 5 mm. wide, and 4 mm. thick, abruptly acute at each end, the upper suture acute, the 

 lower deeply sulcate, the cross-section cordate, the septum 2-2.5 mm. wide, nearly meeting 

 the upper suture. 



Type locality: Wet Mountain Valley, Colorado. 



Distribution: Colorado, New Mexico and southeastern Utah. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 63, f. 209; Am. Jour. Bot. 16: pi. 16 0. 



6. Tium stenolobum Rydberg, sp. nov. 



A cespitose perennial, with a thick woody root; stems numerous, erect, 2-3 dm. high, 

 strigose with mixed white and black hairs; leaves ascending, 4-7 cm. long, the rachis sulcate, 

 strigose, lower stipules ovate or deltoid, cunate, scarious, the upper ones herbaceous, lanceolate, 

 attenuate, 5-8 mm. long, black-ciliate; leaflets 15-21, lanceolate or oblong-lanceolate, acute, 

 5-15 mm. long, 2-4 mm. wide, glabrous above, strigose beneath; peduncles erect, 5-12 cm. long, 

 black-hairy; racemes 3-7 cm. long; bracts subulate, 4-8 mm. long, less than 1 mm. wide, 

 attenuate; pedicels 2 mm. long; calyx rather densely black-hairy, the tube gibbous at the base 

 on the upper side, 7-8 mm. long, the teeth narrowly subulate, almost filiform, dilated only at 

 the base, 5-6 mm. long; corolla ochroleucous, about 2 cm. long; banner oblanceolate, notched 

 at the end; wings shorter, the blade obliquely oblanceolate, shorter than the claw, with a small 

 auricle; keel-petals much shorter, the blade broadly lunate, broader and more arched at the 

 upper end, rounded at the apex; pod glabrous, the stipe about equaling the calyx-tube, the 

 body linear, acute at each end, 2.5-3 cm. long, inverted V-shaped in cross-section. 



Type collected in the Sandia Mountains, on the eastern slope of Palomas, New Mexico, Char- 

 lotte C. Ellis 326 (U. S. Nat. Herb.). 



Distribution: Known only from the type locality. 



2. Misella. Pod leathery, stipitate, pendulous, the stipe longer than the calyx, the body 

 more or less narrowly lunate in outline, the upper suture acute, the lower sulcate. Low slender 

 plants with rather small, ochroleucous, or white, or (in T. inyoense) purple flowers in small 

 racemes. 



7. Tium Arthuri (M. E. Jones) Rydberg. 



Astragalus Arthuri M. E. Jones, Contr. W. Bot. 8: 20. 1898. 

 Atelophragma Arthuri Rydb. Bull. Torrey Club 40: 51. 1913. 



A perennial, with a cespitose caudex; stems 2-4 dm. high, slender, erect, sulcate and 

 strigose; leaves 5-10 cm. long, erect; stipules deltoid, 2-3 mm. long; leaflets 21-29, oblong or 

 elliptic, 6-10 mm. long, 2-3 mm. wide, glabrous above, sparingly pubescent beneath, obtuse; 

 peduncles 1-1.5 dm. long, strict; racemes about 1 dm. long; bracts subulate, 2-3 mm. long; 

 pedicels 3 mm. long, reflexed; calyx strigose with white and black hairs, the tube 4 mm. long, 

 2 mm. broad, the teeth lance-subulate, 3 mm. long; corolla white, about 12 mm. long; banner 

 obovate, moderately arched; wings shorter, the blade oblong-oblanceolate, falcate; keel- 

 petals shorter, the blade broadly lunate-obovate, more arched towards the apex ; pod strigose, 

 stipitate, the stipe 7-8 mm. long, the body linear, gradually tapering at each end, 4-5 cm. long, 

 3-3.5 mm. wide and nearly as thick, the upper suture acute, the lower sulcate, the cross- 

 section cordate, the septum nearly meeting the upper suture. 



Type locality: Lake Waha, Idaho. 



Distribution: Northern Idaho and eastern Washington and Oregon. 



Illustration: M. E. Jones, Rev. Astrag. pi. 67, f. 233. 



