INDEX and SYNONYMY. 
Acidity 55 
Alkaline soil 5 
Alopecuroidei 8 
Alpine 46 
Alpine and Arctic 46 
Alpine in British America 46 
Alpini 19 
Annulares 8 
Anthophyllodei 8 
Arctic 46 
Argophylli : 21 
Arizona-Mexican Region _ 49 52, 54 
Artificial Key 61 
Asclepiadodes 14 
ASTRAGALUS 
a boriginum Rich, Frankl. Jour. App. 18 1823 No. 87 
Atelophragma aboriginum (Rich.) Rydberg. Torr. Bull. 32 660 19 
lineare Rydberg Torr. Bull. 40 51 1913. 
Homalobus aboriginum (Rich.) kydberg Fl, Mont. 246 1900. 
Phaca aboriginum (Rich,) Hooker Fl. Bor. Am. 1 143 t.56 1830. 
Var. glabriusculus (Hook.) Rydberg Cont. Nat. Herb. 3 492 1896. 
Phaca glabriuscul us Hooker Fl. Bor, Am. 1 144 1830. 
Astragalus glabriusclus (Hook.) Gray Proc. Acad. Am. 6 204 1864 
Var. major Gray Proc. Phil. Acad. of 1863 p. 60 
uray Proc. Am. Acad. 6 204 1864. 
Var. spatiosus Sheldon Minn. Bot. Stud. 9 156 1894. 
Forwoodii Watson Proc, Am. Acad. 25 129 1890. 
Homalobus glabriusculus (Hcok) Rydberg Fl. Mont. 246 1900 
Atelophragma Forwoodii {Watson} Rydberg Torr. Bull. 40 51 1 13. 
Var. fastigiorum Jones. 
accidens Watson Proc. Am. Acad 
Var. Pacificus (Sheldon) Jones. 
A. Hendersoni Watson Proc. Am. Acad. 22 471 1887 
Watsoni Sheldon Minn. Bot. Stud. 9 23 1894. 5 
Pacificus * " oe oe ed vi Rd 
pruniformis Tones Cont. 8 12 1898. 
cymatodes Greene Pitt. 3 196 1897. 
accumbens Sheldon Minn. Bot. Stud. 9 20 1 No. 94 
procumbens Watson Proc Am. Acad. 20 361 1885; Not of H. & A. 
acerbus Sheldon Minn. Bot. Stud. 9 123 1894 is A. Wingatensis Var. 
aculeatus Nelson Torr. Bull. 26 ro 1899 is A. montanus Var. tegetarius. 
acutirostris Watson Proc Am. Acad. 20 361 1885. No. 241 
Oxytropis acutirostris (Watson) Jones Cont 7 677 1895. 
Aragallus acutirostris (Watson) Heller Cat. Ed. 2 4 1897. 
adanus Nelson Bot. Gaz. 53 222 1912. No. 120 
adsurgens Pall. Ast. 40, 44 t 31 I 
Phaca adsurgens (Pall) Piper FL Wash. 372 1906. __ 
Var. robustior Hook. Fl. Bor Am. ı 149 1834 is A. nitidus Var. 
agrestis Douglas in Hook Fl. Bor. Am. I 148 1834. No. 131 
. goniatus Nutt, in T. &. Fl. 1 330 1838. 
Hypoglottis Var. bracteatus Osterhout Torr. Bull. 26 1899. 
Phaca agrestis (Dougl.) Piper Fl. Wash. 372 1906. 
Var. polyspermus (T & G.) Jones Cont. 10 pA ee È 
A. Hypoglottis Var. polyspermus T & G. FI N. A 1 328 1838. _ 
virgultulus Sheldon Minn. Bot. Stnd. 9 165 1894. | E I 
albatus Sheldon — * A c" pe * x * — js A. aridus 
` albens Greene Bull. Cal. Acad. 3 156 1885. No. 227. ox as Ee 
| ier tock RC Han eh coe cals adio 
albulus Wooton & Standley Cont. Nat. in 
: No. 63, 
. 224711887. No. 125 
ee agenesis ran WENE ee Emi Er ae 
= Weatoni Sheldon Minn, Bot, Stud, 9 138 1894. 
