196 BOTANICAL GAZETTE [SEPTEMBER 
Arizona, Wright, no. 965, Rothrock, no. 685. (Northern Mexico.) 
* * Pods permanently pubescent or puberulent: inflorescence short and 
dense. 
+- Calyx-lobes ovate-lanceolate to lanceolate: pubescence gray: petioles 
rarely 6™™ in length. 
T. VIRGINIANA Pers. (Goat’s RUE.) Stems several, 3 to 4.5 
high, erect from a stout knotted lignescent root: pubescence 
fine, soft, somewhat variable in quantity, often copious toward 
the summit: leaflets 11 to 23, oblong to elliptical, green and 
scarcely pubescent above, somewhat paler and _ soft villous 
beneath, 2.5 to. 3.2™ long; petioles very short; stipules cadu- 
cous: flowers borne partly in pairs or singly in the upper axils 
but chiefly in a short dense raceme little raised above the sur- 
rounding leaves: calyx hairy, the teeth caudate-acuminate: 
petals white or pale yellow with purplish tinge: hirsute pods 
soon spreading or divaricate.—Syn. 2: 329; Pursh, Fl. 2:489; Ell. 
Sk. 2:245; Torr. & Gray, Fl. 1: 295; Wats. & Coulter in Gray, 
Man. ed. 6, 133; Meehan, Nat. Fl. 1:81. pl. 27. T. virginica Bigel. 
Fl. Bost. ed. 3, 296. Galega virginica L. Spec. ed. 2, 2: 1062; 
Hill. Veg. Syst. 21. p/. 55, fz. Cracca virginiana L. Spec. 2+75?) 
Vail, l. c. 27,—Dry open woods especially in sandy soil, com- 
mon; New England to the north shore of Lake Erie, then 
to Texas and Florida; fl. May, June; fr. July to September. be 
Var. HOLOSERICEA Torr. & Gray. Leaflets inclining to 
narrow and acute; pubescence more copious, long and silky 
even woolly on the pods.— Fl. 1: 296. 7. holosericea se e 
Acad. Philad. 7:105. Cyracca virginiana var. holosericea ‘at 
l.c.—Arkansas, Nuttall, Marcy Exp., and Texas, Hall. Sim 
but less marked forms in Wisconsin and W. New York. 
+ + Calyx-lobes very narrow, almost filiform: pubescence tawny: 
++ Petioles 1.7 to 4.2™ long: leaflets oblong: southwestern. 
T. LEUCAN from a. lignesee 
. THA HBK. Erect, branched fro 
; : : th surfaces 
base: leaflets 15 to 20, oblong, appressed-villous on bo dae. 
nearly concolorous, I.9 to 3.2°™ long: racemes capitate, P ae 
late, chiefly terminal; linear filiform bracts considerably 2 
ing the buds: petals white with or without a purple ange: 
