2G2 DIADELPHIA.—DECANDRIA 



DECANDRIA. 



•137. AMORPHA. Bastard indigo. Leguminosce. 



A. fruticosa /3. emarginuta: smooth, subarbores 

 cent ; leaves petiolate, eraarginate ; spikes aggre- 

 gated, long ; calyx hoary, pedicellate, one of the 

 teeth acuminate, the rest obtuse ; legume few- 

 seeded. 



HAB. New-Jersey? A shrub with spikes of pur}>. 

 flowers. 



438. LUPINUS. Lupine. Leguminosv. 



L. peremiis : perennial ; root creeping ; stem and 

 leaves smoothish ; leaves digitate ; leaflets 8 — 9, 

 obcuneate, lanceolate, obtuse; flowers alternate ; 

 calyx without appendages ; upper lip emarginate ; 

 the lower entire. 



HAB. Sandy woods and hills. May — June. Stem 

 ascend., 12 in. high; leav. digit.; fl. blue. 



139. CROTALARIA. Rattle-box. Leguminosce. 



. C. sagittalis: hairy, erect, branching; leaves sim- 

 ple, ovate-lanceolate ; stipules lanceolate, acumi- 

 nate, decurrent ; racemes opposite the leaves. 

 about 3-flowered ; corolla smaller than the calyx. 

 HAB. Sandy fields and woods. July — Aug. ©. 

 Stem 12 in. high; fl. yell. ; legum. infl., black. 



. C. parviflora: hairy, erect, branched ; leaves sim- 

 ple, linear-lanceolate ; upper stipules decurrent. 

 with 2 very short teeth ; raceme? opposite the 

 leaves; corolla smaller than the calyx. 

 HAB. Sandy fields. June— July. 0. Leaves 2 

 — 3 in. long ; fl. yell. 



440. GENISTA. Broom. Leguminoscz. 

 G. tinctoria; leaves lanceolate, smooth ; branches 



terete, striate, erect, unarmed ; flowers in a leafy 



raceme ; legume smooth. 

 HAB. Dry hills. July. Suffruticose, I ft. high 



branches num. : fl. yell., subsess. §. 



