Var. diphysus (Gray) Jones Cont. 7 673 1895 
A: re on ‚Pl. Fend. 34 1849 
Var. chartaceus Jones Cont. 7 673 1895 ; 
Var. floribundus Gray Proc, Am. Acad. 6 525 1865 is lentiginosus 
Var. Fremonti e - & G.) Watson Bot. King 66 1871 
A. Fremonti T. & G. Pac. R. R. Rep. 4 80 1857 - - wee 
Coulteri var. Fremonti (T. & G.) Jones Cont. 7 669 1895 
Var. Idriensis Jones Cont. 10 63 1902 : 
Var. ineptus (Gray) Jones i 
A. ineptus Gray Proc, Am. Acad. 525 1865 
Phaca inepta (Gray) wie ai | Fl. Mont. 246 1900 eta 
Cystium ineptum (Gray) Ry berg Torr. Bull. 32 659 1905 = 
Var. latus Jones Zoe 3 387 1893 as diphysus var., and 4 272 1893 
as species, and Cont. 7 675 1895 
Var. MacDougali (Sheldon) Jones Cont. 7 673 1895 
A. MacDougali Sheldon Minn, Bot. Stud. 9 169 1894 
Var. Mokiacensis (Gray) Jones | 
A. Mokiacensis Gray Proc. Am. Acad. ı 3 367 1878 ` 
ursinus Gray l, c. ; : 
Wilsoni Greene Pitt. 3 196 1897 
Var. nigricalycis Jones Cont. 7 674 1895 . 
Var. palans Jones Cont. 4 37 1893 as species and 8 4 189; 
A. araneosus Sheldon Minn, Bot. Stud. 9 170 1894 
palans var. araneosus (Sheldon) Jones Cont. 7 675 1895 
Cystium araneosum (Sheldon) Rydberg Torr. Bull. 40 50 1913 
Var. Sierrz Jones : : 
Var. scorpionis Jones 
Var. Yuccanus we Cont. 8 3 1898 
leptaleus Gray Proc, Am. Acad. 6 2201864 No. 30 
Phaca leptalea (Gray) Rydberg Torr. Bull. 40 48 191 
pauciflora Nutt. in T. & G. Fl. N. A. r 348 183 
A. pauciflorus (Nutt.) Gray Proc. Phil. Acad. Ser. 2 7 50 1863 
leptophyllus Nutt. Jour. Phil. Acad. 7 18 1834 is stenophyllus 
leptocarpus T. & G. Fl. N. A. 1 3341838 No. 2 
Hamosa leptocarpa (T & G.) Rydberg in Small’s Fl. S. E. U. S. 617, 
1332 1903 ; ; E. ^ 
macilenta Rydberg l. c. : : 
leucocystis Greene Erythea 3 76 1895 is Purshii 
leucophyllus Hook. Jour. Bot. 6 211 1847 is arrectus 
leucophyllus T. & G. Fl. N. A. 1 336 1838 No. 71 
_ Phaca leucophylla (T, & G.) H: & A. Bot. Beech. 333 1841 
Tragacantha sg e lr (T. & G.) Kuntze Rev. Gen. 2 94318931  . 
A. asymmetricus Sheldon Minn. Bot. Stud. 9 23 1894 por 
leucopsis var. asymmetricus (Sheldon) Jones Cont. 10 62 1 
: Var. leucophyllus (T. & ms Cont. 8 2 1898 
leucopsis (T. & G.] Torr. Mex. Bound. 56 t 16 1859 o. 73 
Phaca leucopsis T. & G. Fl. N. A. i 6941840 ` 
canescens Nutt. in T. & G. Fl. N. A. ı 3511838 ` 
Tragacantha leucopsis [T. & G.] Kuntze Rev.Gen. 2 946 1891 
Var. brachypus Greene Pitt. ı 33 1887 is var. fastidius 
Var curtipes [Gray] Jones Cont. 10 62 1 iscurtipes: "0:02 y 
Var. curtus Sheldon Minn, Bot. Stud. 9 1 34 1804 is fastidius 
Var. fastidius E Jones Cont 10 62 r902 `. : 
Phaca fastidia Ke logg Hesperian 4 145.1860 ; 
A. fastidiosus Greene Bull. Cal Acad. 1 186 188% — i RS 
Var. leucophyllus [T. & G.] Jones Cont. 8 22 1808 is leucophyllus ' 
___limatus Sheldon Minn. Bot. Stud. 9 126 1894 No 115 
2 18 No. 235 ! 
~ Tragacantha Lindheimeri [Gray Kuntze Rev. Gen. 2 946 1891 
. Hamosa Lindheimeri [Gray] Rydberg in Small's Fl. S. E. U. S. 617, 
eldon Minn. Bot. Stud. 9 118 1894 is simplicifolius — — 
