Sheldon: species of astragalus. 149 



bent, nearly terete, simple, three to four from a straight, slen- 

 der root; leaves 4 to 5 cm. in length, the rachis slightly striate 

 or rectangular; leafleis 8 to 10 mm. in four to six pairs, obovate 

 or oblong-lanceolate, abruptly pointed; stipules deltoid-acumi- 

 nate, erect; ijeduncles 3 to 5 cm. in length, subcapitately four 

 to six flowered; flowers 2 to 2.5 cm. in length, narrow, erect- 

 spreading; calyx cylindrical, unequal and slightly gibbous at 

 the base, the linear teeth one-fourth the length of the tube; 

 corolla ochroleucous, tipped with purple; legume 4 to 5 cm. in 

 length, coriaceous, appressed pubescent, narrowly crescenti- 

 form, incurved, transversely rugulose, compressed, the dorsal 

 suture intruded so as to make the cross section V-shaped, few 

 seeded. Collected on sandy plains north of sulphur springs. 

 New Mexico, June, 1883, by G. R. Vasey, and near Winslow, 

 Arizona, June, 1892, by Professor E. O. Wooton. This species 

 is remarkable in its verrucose hairs, which are easily noticable 

 by the naked eye, and in the crescent-shaped pods, which are 

 so strongly incurved as to nearly meet at the tips. Nearest to 

 Astrcujalus jjubeniissimus T. and G. 



Astragalus pubentissimus T. and G. Fl. 1:693. 1840. 



A. multiccmlis Nutt. in T. and G. Fl. 1 :335. 1838. 

 Not A. multicaulis Ledeb. Fl. Alt. 3:295. 1831, 



a Siberian species. 



Tragacantha pubentissima OK. Rev. Gen. PI. 2:947. 1891. 

 Colorado. 



Astragalus cibarius n. sp. 



Perennial, sparsely pubescent or glabrate; s/ews 1.5 to 2.25 

 dm. in length decumbent or erect-spreading, thick, simple, 

 striate, minutely rough- pubescent or glabra te; leaves 6 to 9 

 cm. in length, the rachis channelled; leafleis 5 to 10 mm. in 

 length, in five to eight pairs, obovate oblong to orbicular, 

 obtuse or retuse; stipules large, subfoliaceous, ovate, obtuse 

 or acute ciliate, purplish tinged, erect, persistent; peduncles 

 8 to 11 cm. in length, terete, capitately or subcapitatelj', eight 

 to twelve flowered; flowers 12 to 15 mm. in length, nearly erect, 

 calyx oblong- campanulate, oblique at the base, black- strigose 

 pubescent, the narrow, acuminate teeth one-third the length 

 of the tube or shorter; corolla ochroleucous and purple; legume 

 2.5 to 3.5 cm. in length, coriaceous, narrowly oblong, arcuate 

 when young, becoming straighter when old, pointed at both 

 ends, finely appressed pubescent when young, becoming 



