TENNESSETi FlORA. 103 



B. tinctoria (L.) R. Br. Abundant in Cumberland and Al- 

 leghany Mts. June. M. 



B. alba (L.) R. Br.~ White wild Indigo. Mts. of E. Tenn. 

 Ducktown. June. 



CROTALARIA L. 



Crotalaria sagittalis L. Rattlebox. Dry, sandy soil. O. 

 S. June, -July. 



LUPINUS L. 



Lupinus perennis L. Wild lupine. Woods near Hiwassee, 

 Polk County. Also S. W. Va. J. K. Small. May, June. 



L. albus L. Field lupine. Sometimes found in gardens. 

 Makes heavy crops in S. Europe. 



MEDICAGO L. 



Medicago sativa L. Alfalfa Luzerne. Cultivated for for- 

 age. Introduced from Europe. Frequent in cultivated 

 grounds. Summer. 



M. lupulina L. Black medic. Waste places. Capitol hill. 

 Native from Europe. March-May. 



MELILOTUS Juss. 



Melilotus alba Desv. White melilot. Bokhara clover. 

 Waste places. O. S. Adventitious from Europe. Fragrant 

 in drying and good for fodder. , June-September. 



M. officinalis (L.) Lam. Yellow melilot. Introduced and 

 spread like the former. Both species ought to be cultivated 

 for forage. June- August. 



TRIFOLIUM L. 



Trifolium agrarium L. Yellow or hop clover. Along road- 

 sides and waste places, but only locally. Naturalized from 

 Europe. May-September. 



T. procumbens L. Hop trefoil. Abundant in old fields 

 and pastures. O. S. Naturalized from Europe. May-Sep- 

 tember. 



T. dubium Sibthorp. T. prt)cumbens var. minus Koch. . 

 Occasional. O. S. Nashville. Naturalized from Europe. 

 May-September. 



T. incarnatum L. Crimson clover. Cultivated for fodder. 

 Introduced from Europe. Summer. 



T. arvense L. Rabbit foot. In sterile waste ground. Fre- 

 quent. O. S. Naturalized from Europe. May-September. 



T. pratense L. Red clover. Best fodder plant. Native of 



