156 MINNESOTA BOTANICAL STUDIES. 



Collected on old ledges above high water of the Connecticut 

 river near Hartland, Vt., July, 1891, and on ledges near Sum- 

 ner's Falls, near Plainfield, N. H., August, 1893, by W. W. 

 Huntington, and at Hartland, Vt., by H. G. Jesup and G. N. 

 Leland. Also near Fort Fairfield, Aroostook county, Maine, 

 July, 1893, by M. L. Fernald, at least as to specimen in Herb. 

 Mo. Bot.. Garden; and on the Winooski river, near Burlington, 

 Vt., June, 1878, by C. G. Pringle. 



The type specimens were collected by Mr. Eggleston, who 

 has aided me much in the study of this and other interesting 

 Vermont Astragali. 



The variety is named for Professor H. G. Jesup of Hanover, 

 Mass. 



Astragalus dodgiattus Jones. Zoe. 3:289. 1893. 

 Utah. 



Astragalus glabriusculus (Hook.) A. Gray. Proc. Am. 

 Acad. 6 : 204. 1866. 



Phaca glabriiiscula Hook. F1. Bor.-Atn. 1:144. 1833. 

 Tragacantha glabriuscula OK. Rev. Gen. PI. 2:945. 1891. 



Colorado and western British America. 



Astragalus glabriusculus (Hook.) A. Gray var. spatio- 

 sus n. n. 



A. glabriusculus (Hook.) A. Gray var. major A. Gray. Proc. 

 Acad. Philad. ii. 7 : 60. 1863. 

 Notvi. subulatus Bieb. var. major DO. Prodr. 3:284. 1825. 

 Colorado. 



Astragalus aboriginorum Richards in Frankl. Journ. 

 736. 1823. 



Phaca ahoriginum Hook. Fl. Bor.-Am. 1 : 143. 1833. 

 T)'agacantha aboriginorum OK. Rev. Gen. Pi. 2:942. 1891. 



Colorado, Wyoming and Montana, northward in central and 

 western British America. 



§ 17. RUGOCARPUS. 



Astragalus microlobus A. Gray. Proc. Am. Acad. 6: 

 203. 1866. 



A. gracilis James, in Am. Phil. Soc. Trans. 2: 186. 1825. 

 l^ot A. gracilis l^VTr. Gen. 2: 100. 1818. 



Tragacantha microloba OK. Rev, Gen. PI. 2: 946. 1891. 

 Missouri, Kansas, Nebraska and Colorado, 



