argophyllus Nutt. in T. & G. Fl. N. A. 1 331 1838 No. 167 
A. Uintensis Jones Cont. 7 670 1895 
Xylophacos argophyllus (Nutt) Rydberg Torr. Bull. 40 49 1913 
Uintensis (Jones) Rydberg “ 6, 6.32 602 1908 
Var. cstanseformis (Watson) Jones Cont. 10 62 1902 
A. castaneformis Watson Proc. Am, Acad. 20 361 1885 
Var. Martini Jones ; 
Var. Panguicensis Jones Cont. 7 671 1895 as Chamæleuce var., and 
Cont 8 5 1898 . 
A. Panguicensis Jones Cont. 10 62 1902 
Var, pephragmenus Jones Cont. 5 267 1893 as species e 
aridus Gray Proc. Am. Acad.6 223 1864. 0. 37 
Tragacantha arida (Gray) Kuntze Rev. Gen, 2 943 1891 
A. albatus Sheldon Minn. Bot. Stud. 9 1281 
arietinus Jones Cont. 7 653 1895 is cibarius 
Var. stipularis Jones Cont. 7 654 1895 is desperatus 
Arizonicus Gray Proc, Am. Acad..7 398 1868 No. 218 
Tragacantha Arizonica (Gray) Kuntze Rev. Gen. 2 943 1891 
arrectus Gray Proc, Am. Acad. 8 289 1870 No. 121 
A. leucophyllus Hook. Lond. Jour, Bot. 6 211 1847 
Palousensis Piper Bot. Gaz. 22 489 1896 
atropubescens C. & F. Bot. Gaz. 18 300 1893 
Cusickii Rydberg Torr. Bull. 26 542 1899 
Malheurensis Heller Cat. Ed. 2 7 1900 
Phaca arrecta (Gray) Piper Fl. Wash. 371 1906 
Tium arrectum (Gray) Rydberg Torr. Bull. 40 49 1913 
atropubescens (C, & F.) y erg Torr. Bnll. 40 49 1913 
Var. Leibergi Jones Cont. T Mo es 
Fi LII [1] [73 7 3 I 
Phaca arrecta var. Leibergi (Jones) Piper Fl. Wash. 371 1906 
Var. Kelseyi (Rydberg Fl. Mont 241 1900 as species) 
A. eremiticus var. Spencianus Jones Cont 10 60 1902 
Boiseanus Nelson Bot, Gaz. 53 223 1912 
Cystium Boiseanum (Nelson) Kydberg Torr. Bull. 40 50 1913 
Var. eremiticus (Sheldon) Jones Cont. 7 665 1895 
A. eremiticus Sheldon Minn. Bot. Stud. 9 161 1894 
Tium eremiticum (Sheldon) Rydberg Torr. Bull. 40 49 1913 
Var. Palousensis (Piper) Jones Cont 10 68 1902 is arrectus 
din remotus Jones ud "d 895 
Jar. scaphoides Jones Cont. 7 18 
A. ep. ams Fl. Mont. 241 1900,(a blunder of Rydberg) 
A. scaphoides Jones Cont. 10 69 rae 
Phacopsis scaphoides (Jones) Rydberg Torr. Bull. 40 52 1913 
Artemisiarum Jones Cont. 6 369 1894 is Beckwithii var. purpureus 
Arthuri Jones Cont. 8 20 1898 No. 233 
Atelophragma Arthuri (Jones) Rydberg Torr. Bull. 40 51 1913 
Arthu-Schottii Gray Proc. Am. Acad. 6 209 1864 is lentiginosus var. 
artipes Gray Proc. Am. Acad. 13 370 1878 is oophorus 
asclepiadoides Jones Cont. 2 239 1891 No. 116 
Jonesiella asclepiadoides (jones) Torr. Bull. Rydberg 33 661 1905 
astragalinus [DC.] Sheldon Minn. Bot. Stud. 9 65 1894 is andinus 
Phaca astragalina DC. Astragalus 64 1802 : 
asymmetricus Sheldon Minn. Bot. Stud. 9 23 1894 is leucophyllus 
atratns Watson Bot. King 69 437 t. 11 1871. No. 138 
atratus var. stenophyllus Tones Cont 3 297 1893 
var. arctus Sheldon Minn. Bot. Stud. 9 160 1894 
Tragacantha atrata [Watson] Kuntze Rev. Gen. 2 943 1891 
Hamosa atrata [Watson] Rvdberg Torr. Bull. 34 48 1907 
Var. mensanus Jones Cont 7 665 1895 
Var. phyllophorus Tones Cont. 10 62 1902 : 
Var. Owyheensis [Nelson Bot. Gaz. 55 375 I913 as species] 
atropubescens C. & F. Bot. Gaz. 18 300 1893 is arrectus _ 
Austinz Bot. Cal 1 1561876 No. 132. ; , i 
|. Tragacantha Austinz [Gray | Kuntze Rev. Gen. 2 943 1891 
 Bahaensis Sheldon Minn. Bot. Stud. 9 169 1894 is Hornij var. 
. Batesii Nelson 54 150 1912 is lotiflorus var. Reverchoni — — — — 
