318 Ordkr 43.— LEGUMINOSjE. 



1 P. villdsus Nutt. Low, villous-hirsute, decumbent ; lvs. petiolate, lfts. dis- 

 tant, 9 to 15, oval or oblong, the odd one obovate; ped. rather longer than the 

 lvs. ; spikes short, somewhat loose ; cal. teeth longer than the tube ; leg. clothed 

 with long woolly hairs. — Dry sandy fields and woods, S. Car. to Fla. Sts. 

 spreading on the sand, 2 to 3' long. Lfts. 3 to 4" by 1 to 2". Fls. 10 to 15 in a 

 head, 4 to 5" long. Mar., Apr. 



2 P. neglecta Torr. & Gr. Erect; lfts. elliptical, 7 to 13 pairs; sti p. minute; 

 rac. many-flowered, rather loose and some longer than (he lvs. ; leg. not stiped, 

 smooth, roundish ovale, much inflated, with a deep groove at the ventral suture. — By 

 streams and lakes, W. N. Y. to Wis. Plant resembling Astragalus Canadensis, 

 but of fairer and finer look. St. 1 to 2f high, terete. Lfts. 9 to 15" by 3 to 5", 

 minutely puborulent beneath. Fls. white, 10 to 20 in a raceme. Pods about 

 £' long, with many small sds. Jn., Jl. 



3 P. Robbinsil Oakes. Erect; lfts. 5 to 11, elliptical, terminal one largest, 

 slip, triangular-ovate; ped. twice longer than lvs.; rac. short, ovate; cor. hori- 

 zontal, twice as long as the cal. ; leg. stiped, oblong, kteled at the ventral suture, 

 tipped with the recurved, persistent style. — Ledges by rivers and lakes, northern 

 Vt., rare. Plan*; nearly smooth. St. slender, 8 to 14' high. Lvs. remote, 2 to 

 4' long. Lfts. 4 to 8" by 1} to 3", petiolulate. Rac. surpassing the stem, on 

 ped. 5 to 10' long, 12 to 18-ilowered. Cor. white, about 5'' long. Pods 1' long^ 

 4 to 8-secdcd. May, Jn. 



4 P. astragalina DC. Low, ascending or nearly stemless; lfts. 15 to 21, oval; 

 stip. ovate; ped. a: length longer than the lvs.; rac. dense, with 8 or 10 violet' 

 colored Jls. ; cal. teeth shorter than tube; leg. pendulous, stiped. — Can. along the 

 St. Lawrence and northward. Sts. 1 to 6' high. 



40. T£PHR0 v SIA, L. Goat's Rue. Cat-gut. (Gr. rscppbg, ash- 

 colored ; from tlio color of the foliage.) Calyx with 5, nearly equal, 

 subulate teeth ; bractcoles ; vcxillum large, orbicular ; keel obtuse, 

 cohering with the wings; stamens diadclphous (in the following spe- 

 cies) or monadelphous ; legume linear, much compressed, many seeded. 

 — Herbs and shrubs, with unequally pi tin ate lvs. 



§ Flowers large (9 to 10" Ion:.'), in a leafy, terminal cluster No. 1 



§ Flowers small (•"> to 6" long), silicate on long, leafless peduncles Nos. 2 — 4 



1 T. Virginiana Pcrs. Erect, villous; lfts. numerous, oblong, mucronate; rac. 

 terminal, subsessilo among the lvs. ; leg. falcate, villous. — H Plant 1 to 21' high, 



■ in dry, sandy soils, Can., Ind., 111., S. to Fla. St. simple, very leafy. Lfts. 15 to 

 27, 10 to 13" by 2 to 3", straight-veined, odd one oblong-obcordato, petiolulea 

 1" long. Stip. subulate, deciduous. F1j. as largo as those of the locust, in a 

 short, crowded cluster. Cal. very villous. Banner white, keel rose-colored, wings 

 red. ' Jl. 



2 T. spicata Torr & Gr. Villous with rusty hairs; st. subsimple ; Ills. 9 to 17, 

 oblong-oval or elliptic, mucronate, obtuse or rot033; ped. very long, few-flowered; 

 cal. stgm. subulate, longer than the tube. — Common in dry soils, S. States. An 

 unsightly plant. Sts. ascending, 1 to 3f long, fiexuous, scarcely branched, tough. 

 Lvs. fj\v, distant; lfts. 1' long. Ped. G to 12 to 13' long. Fls. purplish red. 

 Jn., Aug. 



3 T. hispidula Ph. Minutely hispid or pubescent; sts. dichotomous. slender, de- 

 cumbent; lfts. 9 to 19, elliptic-oblong, acute; ped. several, few-flowered; cat 

 segm. not longer than the tube ; pods falcate. — Dry soils, S. States. Sts. 1 to 2f 

 long. Lvs. remote; lfts. 10 to 15 ' long, mucronate, sometimes nearly linear. 

 Ped. 3 to C long. Fls. reddish purple. May, Aug. 



B. elegans T. & G- Very slender, nearly glabrous; lfts. 11 to 17, narrowly 

 elliptical, acute; ped. filiform; pods nearly straight. — Savannah (Pond). 

 (T. elegans Nutt.) 



4 T. chrysophylla YK Soft-pubescent, prostrate, dichotomous; lfts. 5 to 9, oval 

 or obovate, coriaceous, glabrous above, silky pubescent beneath; ped. longer than 

 the lvs. ; cal. segm. shorter than the tube. — Ga. (Savannah, Pond) and Fla. St 

 If or more long, clothed with a rusty down. Foliage with a lively tinge of yel- 



