318 Obdes 46.— LEGUMINOSjB. 



1 P. villosus Nutt. Low, vmous-hiraute, decumbent ; Ivs. petiolate, Ifts. d^is- 

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

 Ivs.; 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. Sta. 

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

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



2 P. neglecta Torr. & Gr. Erect; Ifta. elliptical, 1 to 13 pairs; stip. minute; 

 roc. many-flowered, rather loose and some longer Hum the Ivs. ; leg. not stiped, 

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

 streams and lakes, "W. N. T. 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 puberulent beneath. Fls. white, 10 to 20 in a raceme. Pods about 

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



3 P. HobbiusU Cakes. Erect; Ifls. 5 to 11, elliptical, terminal one largest, 

 stip. triangular-ovate; ped. twice longer than Ivs.; rac. short, ovate; cor. hori- 

 zontal, twice as long as the cal. ; leg. stiped, oblong, keeled at the ventral suiwre, 

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

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

 4' long'. Lfts. 4 to 8" by IJ to 3", petiolulate. Rao. surpassing the stem, on 

 ped. 5 to 10' long, 12 to IS-fi'owered. Cor. white, about 5'' long. Pods 1' long; 

 4 to 8-seedcd. May, Jn. 



4 P. astragalina DO. Low, ascending or neady stemless; lfts. 15 to 21, oval; 

 stip. ovate; ped. at length longer than the lvs.; rac. dense, with 8 or 10 violet- 

 colored yb. ; cal. tet'th shorter than tube ; leg. pendulous, stiped. — Can. along the 

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



40. TEPHRO'SIA, L. Goat's Rue. Cat-gut. (Gr. Te0p6f, ash- 

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

 sitbulato teeth ; braoteoles ; 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 pinnate lvs. 



§ Flowers Large (9 to 10" Ions), in a leafy, terminal cluster - No. 1 



§ Flowars simiU (p to 6" lung), spieate un long, leafless peduncles Nos. 2 — i 



1 T. Virginiaiia Pers. Erect, villous ; IfLs. numerous, oblong, mucronate ; rac. 

 terminal, subsessile 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-obcordate, petiolules 

 1" long. Stip. subulate, deciduous. Fls. as large 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 ; lfts. 9 to 17, 

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

 cal. segm. 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. few, distant; lfts. 1' long. Ped. G to 12 to 18' long. Fls. purplish red. 



^ Jn., Aug. 



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

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

 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 6' long. Fls. reddish purple. Ma-y, Aug. 



B. ELEGANS T. & G. Tory slender, nearly glabrous; lfts. 11 to 11, narrowly 

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

 (T. elegans Nutt.) 



4 T. chrysoph:J-lla Ph. Soft-pubescent, prostrate, dichotomous; lfts. 5 to 9, oval 

 or obovate, coriaceous, glabrous above, sUky 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 ye> 



