ORDEK XLIII. I.KT,rMINOS,E l'KA-1 . \MII.V. 



klspld joints. An upright branching; speck* In damp wools ud along rivers 

 growing a I ft. high. July Any. 



5. D. DilR-nii. Scabrous Trefoil 



Stem rri'ct, branching, hairy ; leaflets oblong, vlllous and pale beneath ; 

 stipules subulate ; panicle large, naked, with acabmiu but not canescent bran- 

 ches ; flowers mull, purple, becoming greenish ; legumes with 24 rbom- 

 boldal,rcUcuUled joints. Moist soils, growing about 8 ft. high. Distinguished 

 from UK last by 1(5 stipules and its panicle* not being canescent, and its different 

 legume*. Aug. 



6. D. euspidatum. Large Trefoil. 



Stem erect, smooth, with few branches ; leaflets ovate, or ovate-lanceolate, 

 acuminate, smooth ; stipules lanceolate, with subulate points ; flowers large, 

 purple. In a terminal few-branched panicle; bracts conspicuous ovate, cuspi- 

 date ; legume* about 6-jolnted ; joints oblong-triangular. The largest species 

 described, growing 4 -6 ft. high. In woods. Aug. 



7. D. Marilandicum. Smooth Trefoil. 



Stem erect, slender, nearly or quite smooth ; leaflets small, broad-ovate, 

 often somewhat cordate at base, thin, mostly smooth, very obtuse ; petioles 

 short, smooth; stipules lanceolate-subulate, caducous ; panicle long, terminal. 

 with numerous, rather rough branches; flowers violet-purple, small; legumes 

 with 1 8 semi-orbicular joints. Common In woodlands ; 18 ft. high. A ug. 



8. D. ciliare. Hairy Trefoil. 



Stem erect, hairy, mostly simple ; leaves crowded on short, hairy petioles ; 

 leaflets roundish-ovate, obtuse, sub-coriaceous, more or less pubescent, some- 

 what dilate ; stipules linear-subulate, caducous ; flowers violet-purple, small. 

 In long, terminal panicles, with the lower branches very long; Icgir 

 83 hispid, semi-orbicular joints. A variable species, very mucli resembling 

 the last, and often only to be distinguished from It by the short, hairy petioles. 

 Dry fields and woods. Aug. 



9. D. rigidum. Stiff Trefoil. 



Stem erect, branched, rough-pubescent ; leaflets oblong-ovate, obtuse, 

 dilate, rough above, pubescent beneath ; petioles hairy, shorter than the lateral 

 leaflets; stipules ovate-lanceolate, dilate, caducous ; panicle composed of long, 

 nearly erect racemes; flowers small, purple, quickly becoming greenish; 

 legumes of * S balf-obovate. hispid Joints. Extremely variable ; distinguished 

 from the hut by Its stipules, and from D. cancsccns and D. Dellcnil by Its 

 different legumes. Woods. Aug. 



10. D. paniculatum. Clustered Trefoil. 



Stem slender, erect, nearly or quite smooth ; loaves on petioles shorter than 

 the lateral leaflets ; leaflets oblong-lanceolate, or linear-lanceolate, rather ob- 

 tase, thin; stipules subulate, deciduous; racemes paniculate; bracts lanceo- 

 late, hairy ; flowers purple, on long, slender pedicels ; legume straight, of 85 

 rhomboidal, hispid joints. A handsome species, 18 ft high. In woods, com- 

 mon. July Aug. 



11. D. rotundifulium. Creeping Trefoil. 



Stem prostrate, hairy ; petioles hairy ; leaflets orbicular, hairy, dilate ; ter- 

 nlnal one largest and somewhat rhomboids! ; stipules large, broadly ovate, acu- 

 minate, reflexed, persistent ; raceme* axillary and terminal, with rather long 

 pednncles ; flowers light purple ; legumes with 85 rhomboldal hispid Joints. 

 A common species In rocky wood*, 2 I ft. long. Aug. 



14. LKSPEDtZA. 



Calyx 5-clcft, with 2 bractcoles at base, and nearly equal to 

 iU segment*. Keel-petals very obtuse, on slender claws. Legume 

 ]!.' i. -ular, mostly flat, small, reticulated, unarmed, indehiscent, 1- 

 seeded. Leave* 'trifoliate. Per. 



FltHCfTKlUper/Kt. 



1. L. capitata. Headed flush Clover. 



SUm met, mostly simple, vllloos ; leaves crowded, on short petioles ; leaf- 

 let* elliptical, rather coriaceous, silky beneath ; flowers In axillary raceme*, on 

 pubescent peduncle* shorter than the leaves ; corolla white, scarcely longer than 

 tb* very hairy calyx, A common, somewhat shrubby plant, 28 ft high. Dry 

 fleldt and hills. Atig.Stp. 



2. L. hirta. Hairy Busli Clor<r 



firm erect, branching, vlllous and pubescent; leaves on very short, hairy 

 pMtotes; leaflets mostly ronndMi-oval, cinarglnat*, hairy, especially beneath; 

 flower* In axillary racemen, on Hibnomt peduncles, which are at length much 



longer than the leaves, crowded ; corolla* reddlsu-whltc, about as long a* tli* 

 calyx. Dry soils, -8 ft, nigh. Avg.-Srp. 



riouwi partly per/tct, partly apttalttu ; t/u latter tuually I/taring 

 Oitfru.it, 



3. L. procumbens. Running liusli Cloi-t r. 



Stems prostrate, pubescent, with assorgent branches; leaves on short, pu- 

 bescent petioles; leaflets oval, or elliptical, mostly rctuse, pubescent beneath; 

 perfect flowers, Hght purple, In short, racemose beads, on axillary, v 

 slender, pubescent peduncles; lower ones apctalous, on short peduncles, or 

 subeessUe ; legumes, sub-orbicular. A hairy, prostrate plant, with stem* 1 8 ft. 

 Icng, several from the same root Not uncommon In dry grounds and woods. 

 Augtui. 



4. L. violacea. Busk CV' 



Stem erect or diffuse, branching, pubescent, leaves on short petioles ; leaflets 

 varying from narrow-oval to linear, hairy beneath, equalling, or longer than the 

 petiole ; flowers In axillary, few-flowered racemes, sometimes on longer, slender 

 ones, violet-purple : apetalons flowers glomerate and subsesslle In the axils of the 

 leaves ; legumes much longer than the calyx. An extremely variable, li;i 

 busby species. In woods. Aug.Stji. 



The following varieties are by some Botanists considered speo' VST. 

 sesrllillora has the flowers aggregated on pednncles shorter than the luaves ; 

 those at base chiefly apetalous and fertile ; leaflets oblong, or elliptical. 



Var. angnstlfolla Is slender, smooth, with the flowers aggregated toward the 

 extremities of the branches, the leaflets narrowly oblong, or linear. 



15. CROTOLARIA. 



Calyx 5-clcft, somewhat bi-labiate. Standard large, cordate. 

 Keel falcate, acuminate. Stamens 10, monadclphou- 

 the filaments cleft on the upper side. Legumes turgid, with \ ,-u- 

 c valves. 



1. C. sagittalis. Battle-pod. 



hairy, branching; leaves lanceolate, or oval, entire, rounded at base, 

 very shortly petiolod ; stipules united and decurrent on the stem, so as to ap- 

 pear reversely sagittate ; peduncles short, about 8-flowercd ; flowers yellow ; 

 corolla shorter than the sepals; legume Inflated; hollow, with a few shining 

 seeds, which at length become loose and rattle ; hence its common nam.-. An 

 annual, hairy plant 5' 12' high. In sandy soils. July. 



IB. LUPlM - 



Calyx deeply bt-labiate ; upper lip '-M-lcft : lower entire or 8- 

 toothcd. Banner with the sides reflexed. Wings united Inward 

 the summit. Keel falcate, acuminate. Stamens monadelphous ; 

 the sheath entire. Anthers alternate, oblong and globose. 

 Legume coriaceous, oblong, compressed. Leave* palmalrly, 5 15 

 foliate. 



1. L. percnnis. \\'il<l Liifiim: 



Stem herbaceous, slightly pubescent, erect; leaflets 79, oblanccolate, mu- 

 cronate, soft and downy; petioles long; flowers bright blue, alternnU'. In t,-rmi- 

 nal racemes, varying to white, pedicellate ; upper Up of the calyx cmarpinatc, 

 lower entire. A beautiful plant, abundant In dry, sandy woods. Stem about a 

 foot high. Per. 



2. L. polyphyllus. Garden Lni>im. 



Tall; stem smootblsh, generally slrlate; leaflets 1119, nearly smooth 

 above, silky-pubescent beneath ; flowers alternate, In long racemes ; bracts 

 lanceolate, deciduous, shorter than the pedicels; calyx-lips botli nearly entire, 

 A tall, splendid plant, 8 C ft. high, from Oregon, but common In gardens, with 

 while, purple, or yellow flowers. 



17. BAPTlSIA. 



Calyx campanula! r, 4 5-clcft at summit, per-i-ti'iit. Petal* 

 about uie sai- Manner orbicular, (m:iri;in:it<<. 

 .li-tinrt, drriduotts. Legume inflated, stipilatc i tly few- 

 seeded by abortion. Per. 



1. B. tiiu-t I ml ii/u II 



Stem erect, smooth, branching ; leaves palmately trifolla.te, on short petioles; 

 leaflets roundlsh-obovatc, tapering st base, very obtuse at apex. Stipules and 

 bract* setaceous, caducous; flowers rather small, yellow. In few-flowered 

 racemes, terminating tin- branches; legume much Inflated, at length sub- 

 irlobose, long-stlpltate. A plant of a bluish-green aspect, a t feel high, In dry 

 Held* and wood* 



