424 LEGUMINOUS PLANTS. 



DESMODIUM PAUCIFLOBUM, D. C.~{Sparsely-flowered Tick- 

 Trefoil). 

 Leaflets rhombic-ovate, bluntish, pale beneath ; raceme few flowered, 

 terminal. Woods, common. June — September. 



DESMODIUM ACUMINATUM, D. C.-(Sharp pointed Tick-Tre 

 foil-) 

 Leaves all crowded at the summit of the stem, from which arises the 

 elongated naked raceme or panicle; leaflets round, ovate, taper-pointed, 

 green both sides. Woods, common. 



DESMODIUM NUDIPLOBUM, D. C.-( WMte-flowered Tkk-Tre- 

 foil). 



Leaves all crowded at the summit of sterile stems ; leaflets broadly 

 ovate, bluntish, whitish beneath ; raceme elongated on an ascending 

 mostly leafless stalk or scape from the root, 2 feet long, Woods, com- 

 mon. August — September. 



DESMODIUM CUSPIDATUM, Torr & Gray. --{Cuspidate Tick- 

 Trefoil). 

 Very smooth except the panicle ; stem straight ; leaflets lanceolate, 

 ovate and taper-pointed, green both sides ; longer than the petiole 3-5 

 inches long, joints of the pod rhomboid, oblong, smoothish. Common. 

 June — September 



DESMODIUM ROTUNDIFOLIUM, D. C.-(Bound Leafed Tkk- 

 Trefoil.) 



Soft, hairy all over, truly prostrate ; leafletB orbicular, or the odd one 

 slightly rhomboid; pods almost equally sinuate on both edges, 3-5 joint- 

 ed ; the joints rhomboid-oval. Common. June— September. 



DESMODIUM CANADENSE, D. C. (Canadian Tick Trefoil). 



Stem hairy ; (3-6 feet high). Leaflets oblong, lanceolate or ovate, 

 lanceolate, obtuse, with numerous straight veins, much longer than the 

 petiole, (1J-3 inches long); flowers showy, larger than in any other 

 species, 1-3 to 1-2 inch long. East Tennesseee August, September. 



DESMODIUM DILLENII, Da,rl-(Dillens Tick Trefoil). 



Stem pubescent; leaflets oblong, or oblong-ovate, commonly bluntish, 

 pale beneath softly and finely pubescent. Open woodlands; common. 

 July, September. 



DESMODIUM PAMICULATUM, D. C.~(8mooth Tick Trefoil.) 

 Nearly smooth throughout; stem slender, tall; leaflets oblong-lanceo- 



