1893.] 



NEW YORK ACADEMY OF SCIENCES. 



59 



or trailing habit, character and amount of pubescence, and, 

 very important, the geographical distribution of the various 

 forms appear to me to satisfactorily segregate the species. 



Perennials ; stipules and bracts subulate ; calyx- 

 lobes narrow. 

 Both petaliferoiis and apetalous flowers present ; 

 corolla usually purple or pink, pod 

 exserted. 

 Peduncles slender, mostly exceeding the leaves. 

 Petaliferous flowers capitate or spicate. 

 Plants trailing or diffusely procumbent. 

 Glabrous or appressed-pubescent. 1. 



Woolly or downy pubescent. 2. 



Plants erect, rather stout, pubescent. 3. 



Petaliferous flowers loosely paniculate. 4. 



Flower-clusters of both kinds sessile or nearly no 

 Leaves oval, oblong or orbicular. 



Foliage densely downy-pubescent. 5. 



Foliage glabrate or appressed-pubescent. 6. 

 Leaves linear or linear-oblong. 7. 



Flowers all complete ; corolla whitish or yel- 

 lowish ; pod included, or scarcely ex- 

 serted. 

 Leaves oblong, ovate-oblong or nearly orbicular. 

 Peduncles exceeding the leaves. 8. 



Peduncles shorter than the leaves. 9. 



Leaves linear or linear-oblong ; peduncles elong- 

 ated. 

 Spikes capitate, denselj^-flowered 10. 



Spikes interrupted, loosely-flowered. 11. 



Annual ; stipules ovate ; calyx-lobes broad. 12. 



L. repens. 

 L. procumbens. 

 L. Nuttallii. 

 L. violacea. 



L. Stuvei. 



L, intermedia. 



L. Virginica. 



L. hirta. 

 L. capitata. 



L. angustifolia. 

 L. leptostachya. 

 L. striata. 



I. Lespedeza repens (l.) Bart, 



Hedymrum repens, L. Sp. PI. 749 (1753). 



Lei^pedeza repens, Bart. Prodr. Fl. Phil. ii. 77 (1817) in 

 part. 



Trailing or diffusely procumbent, glabrate or sparingly ap- 

 pressed-pubescent, tufted, stems slender, simple or somewhat 

 branched, 6' — 24' long. Petioles shorter than the leaves ; 

 stipules subulate, about 1" long ; leaflets oval, oblong or 

 obovate, obtuse or retuse at the apex, narrowed or rounded at 

 the base, 3" — 8" long ; peduncles of the petaliferous HoAver- 

 clusters slender, much exceeding the leaves ; inflorescence capi- 

 tate, rather loose ; corolla purple, 2" — 3" long ; pod oval- 

 orbicular, acute, finely pubescent, Ijj" long. 



