DTADELPHIA DECANDRIA. 403 



313. TRIFOLIUM. Clover. 



* Legumes 3 8-seeded. 



T. repens : heads umbellate ; legumes 4-seeded, covered by the persis- 

 tent corolla ; stern creeping. 



HAB. Meadows, &c. May Oct. ^ ; stem 56^-12 inches long ; 

 pet. very long ; flower white. 



* * Legume l-seeded. 

 t Vexillum deciduous ; (Flowers not yellow.') 



T. pratense : heads dense, ovate ; lower tooth of the calyx shorter 



than the tube of the monopetalous corolla ; leaflets oval, entire ; stem 



ascending. 

 HAB. Meadows, &c. May Oct. QJ.; stem 1 2 feet high; flower 



red, frag. %. 

 T. arvense : heads very hairy, oblong-cylindrical ; teeth of the calyx 



setaceous, longer than the corolla; leaflets villous, narrow-obo- 



vate. 

 HAB. Dry fields. June September, ; stem 6 12 inches high; 



flowers minute, white or pink. 



314. STYLOSANTHES. 



S. elatior: stem erect, pubescent on one side; leaflets lanceolate, 

 smooth, acute ; bracts lanceolate, ciliate, 3 4-flowered ; loment in- 

 durated, l-seeded. 



HAB. Sandy woods. July Aug. Ij. ; stem 12 inches high, branch. 

 -bracts hisp. ; flowers yellow. 



315. LESPEDEZA Bush-clover. 



L. fnitescens : stem erect ; leaflets elliptical, obtuse, silky-pubescent ; 

 flowers in subcapitate fascicles, shorter than the leaves, conglomer- 

 ate towards the summit of the stem ; loments hairy, shorter than the 

 villous calyx. 



HAB. Dry woods. Sept. Oj.; stem 23 feet high, hairy; petiol, 

 short ; cor. white and red. 



L. hirta : erect, branched, very villous; leaflets roundish; racemeti 

 capitate, axillary, on peduncles longer than the leaves ; corolla and 

 loments as long as the calyx. 



HAB. Dry woods. Aug. Sept. r Z|_; stem 2 4 feet high; racemes 

 ovate, dense ; flower reddish-white. 



Li. sessiliflora : erect, somewhat branched ; leaflets oblong-oval, ob- 

 tuse ; fascicles of flowers subsessile ; axillary ones partly racemose ; 

 loment naked, acute. 



HAB. Dry woods. Aug. Sept. 7J.; stem 2 feet high, slender; 

 pet. long ; flower violet. 



L. reticulata : stem erect, simple or branched, nearly smooth ; leaflets 

 35* 



