;; 18 Order 46.— LESUillNOSiG. 



1 P. villoBus Nutt. Low, villous-hirsute, decumbent ; Ivs. petiolate, Ifta db- 

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

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

 with long -frooUy 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 

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



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

 rac. many-flowered, rather loose and some longer than the Ivs. ; leg. not siiped, 

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

 streams and lakes, W. K 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 puberulont beneath. Fls. white, 10 to 20 in a raceme. Pods about 

 J' long, with many small sda. Jn., Jl. 



3 P. Robbinsil Oakes. Erect; Ids. 5 to 11, elliptical, terminal ono largest, 

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

 zontal, twice as long as the cal. ; kg. stiped, oblong, keeled at the ventral suture, 

 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. Rac. surpassing the stem, on 

 ped. 5 to 10' long, 12 to 18-flpwered. Cor. white, about 5" long. Pods 1' long; 

 4 to 8-seeded. May, Jn. 



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

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

 colored fls. ; cal. tetth 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. re<j>QV(;, ash- 

 colorcd ; from tte color of the foliage.) Caly.x with 5, nearly equal, 

 subulate tooth ; hracteolcs ; vcxillum largo, orbicular ; keel obtuse, 

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

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

 — Ilerbs and shrubs, with unequally pinnate lvs. 



$ Flowprs ]ar£;i» (!) to 10" lone), in a Icify, terminal cluster No. 1 



^ Flowci-s siniill (.T to 6" long), spicatc on long, leafless peduncles Wos. 2 — 4 



1 T. Virginidna Pers. Erect, villous; Ifls. numerous, oblong, mucronate; rac. 

 terminal, eubsessile among the lvs. ; leg. fidcate, villous. — 2| Plant 1 to 2f 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 ono oblong-oboordate, petiolulcs 

 1" long. Stip. subulate, deciduous. Fls. as large as those of the locust, in a 

 sliort, crowded cluster. CaL very villous. Banner white, keel rose-colored, wings 

 red. Jl. 



2 T. spio^ta Terr & Gr. Villous with rusty hairs; st. suhsimple ; lfts. 9 to 17, 

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

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

 unsiglitly plant. Sts. a.seending, 1 to 3f long, flexuous, scarcely branched, tougli. 

 Lvs. few, distant; lfts. 1' long. Pod. G to 12 to 18' long. Fls. purphsh red. 

 Jn., Aug. 



3 T. liispidula Ph. Minutely hispid or pubescent; sts. dichoiomous, slender, de- 

 cumbent; lfts. 9 to 19, elliptic-oblong, acute; ped. several, few-flovvcred ; caL 

 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. May, Aug. 



J3. ELEGA>'S 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. chrysoph^Ua Ph. Soft-pubescent, prostrate, dichotomous; lfts. 6 to 9, oval 

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

 the lvs.; cal. segm. short* than the tube. — 6a. (Savannah, Pond) iind Fla. St 

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



