310 ORDER 46. LEGUMINOS^E. 



calyx. Plant 2 to 4f high, found in dry woods, Can. and U. S., erect, branching 

 and verv hairy. Lvs. less numerous than in the last, on very short stalks con- 



sisting of 3, oval leaflets hairy beneath. Ped. hairy, becoming longer than tho 

 nceme. Pis. reddish- white, crowded. Aug., Sept 



'3 L. Steilvi Nutt. Branched and bushy, tomenious or pubescent; If Is. oval-obovate 

 or roundish, longer than the petiole ; rac. axillary, capitate or loose, equaling or 

 exceeding the leaves ; leg. villous-pubescent, ovate-acuminate ; apetalous fls. 



few. Dry soils, Mass, to Ga. and Tex. Sts. assurgent, 2 to 3f high. Lvs. always 

 ; liairy beneath, generally so above. Aug. to Sept. Quite variable, approaching 



the next species. 



4 L. violacea Pen?. Erect or diffuse, sparingly pubescent ; Ifts. oval, varying to 

 oUong and linear, obtuse, mucronate, as long as, or a little longer than the petioles; 

 rac. axillary, few-flowered, tho apetalous ones generally below and subsessile ; 



leg. roundish-ovate, being much longer than the calyx. Dry woods, Can and II. 

 S. Sts. 1 to 2f high. Cor. 3 to 4" long. Pods about 2" long. Jl, Aug. 

 Varies gradually into the following diverse extremes. 



a. Lfts. large (9 to 12" by 6 to 8"), not longer than the petioles ; fls. few, mostly 



complete, and near the upper part of the branches ; rt. strong, creeping ; sts. 



clustered, slender, diffuse or erect. 

 (3. SESSILIFLORA T. & G. Lfts. small (3 to 6 to 8" by 1 to 2"), oblong to linear, 



longer than the petioles ; fls. mostly apgtalous, numerous, in axillary glo- 



merules ; st. erect branched. (L. sessiliflora Ph.) 

 y. RETICULATA. Lfts. all linear (10 to 18" by 2 to 3"), rigid, on short, erect 



petioles; fls. fascicled, on short stalks. Erect, slender; branches short or 



none. (L. reticulata Pers.) 

 : 6. DIVKRGENS T. & G. Lfts. ovate, the upper peduncles filiform, much longer 



than the leaves and mostly unfruitful. (L. divergens Ph.) 



5 L. repens Torr. & Gr. St. prostrate, diffuse, sparingly pubescent ; Ifts. oval 

 .. or obovate-elliptical, smooth above, on very short petioles ; ped. axillary, filiform, 



: simple, few-flowered, lower ones bearing apetalous flowers; leg. suborbicular, 

 .; subpubescent. Dry soils, Can. and U. S. Sts. very slender, numerous. Lfts. 

 .-. 5 to 9" by 3 to 5", obtuse. Ped. 2 to 5' long. Aug., Sept. (H. repens L.) 



p. PROCUJIBENS. Tomentous-pubescent, varying to pubescent, but the Ivs. 



always smooth above. (L. procumbens MX.) 



y. FEAYANA. Smoothish; sts. decumbent and assurgent; Ifts. obovate, twico 

 longer than the petioles ; upper ped. elongated and bearing apetalous fls. 

 Savannah. (Feay.) Appears intermediate between Nos. 3 and 5. 



25. GENISTA, L. DYER'S BROOM. WOAD-WAXEX. (Celtic, gen, 

 Fr., genet ; a small shrub.) Calyx with the upper lip 2-parted and the 

 lower 3 -toothed ; vexillum oblong; keel oblong, scarcely including the 

 stamens and style ; stigma involute ; stamens monadelphous. Shrubby 

 plants, with simple Ivs. and yellow fls. 



G. tinctoria L. Branches round, striate, unarmed, erect ; Ivs. lanceolate, smooth ; 

 leg. smooth. II A naturalized species, in dry, hilly grounds, Mass. Sts. or 

 branches numerous, ascending or erect, If high, from long, woody, creeping roots. 

 Lvs. sessile, alternate. Fls. bright-yellow, axillary, sessile or nearly so, solitary. 

 The whole plant dyes yellow, and, with Woad, green. Aug. Eur. 



26. CROTALA'RIA, L. BATTLE POD. ( Gr. uporahov, a rattle ; 

 from the rattling of the loose seeds in the horny pod.) Calyx 5-cleft, 

 somewhat bilabiate ; vexillum cordate, large ; keel acuminate ; stamens 

 10, monadelphous ; filamentous sheath cleft on the upper side ; legume 

 .pedicellate, turgid. Herbs or shrubs. Lvs. simple or palmately com- 

 pound. Fls. yellow. 



1 C. sagittalis L. Annual, erect, branching, hairy; Ivs. simple, lance-oval to lance- 

 . linear; sip opposite, acuminate, decwrent ; rac. 3-flowered, opposite to the Ivs.; 



cor. shorter than the cal. About a foot high, with a hairy aspect, in woods and 

 sandy fields, N. H. to Ark. St. herbaceous, rigid. Lvs. alternate, en! ire, nearly 



