LEGUMINOUS PLANTS. 415, 



well prepared land. Otherwise those weeds which everywhere follow 

 in the footsteps of the settler, will soon take their place, multiplying 

 with a prodigeous rapidity. The Canada and Common thistle, Amar- 

 anths, Door- weeds. Knot-grass, Rag and May weeds and Thorn apples ' 

 threaten to become the victors in the battle for existence. 



List of leguminous plants known to grow spontaneously iu Tennessee : 



Crotalaria sagittalis, L. Rattlebox, annual July. September. 



Lupinus perennis, L. Lupine, perennial. April, May. 



Melilotus alba, Lam. Sweet clover. Perennial. May, June. 



Trifolium pratense, L Red clover. Perennial. May 



Trifolium arvense, L. Rabbit-foot clover. Annual. May. 



Trifolium reflexum, L Buffalo clover. Biennial. May. 



Trifolium repens, L. White clover. Perennial. May. 



Trifolium Carolinianum, Michx. Carolina clover. Perennial. 



Medicago lupulina, L. Black Medic. Annual. May. 



Psoralea melilotoides, L, Psoralea, perennial. June. 



Psor ile.i mbaeziilis, Torr & Gray. Perennial. April. t 



Petalosternon foliosus, Gray. Leafy prairie clover. Perennial. 

 May, June. 



Petalosternon decumbens. Gray. Low prairie clover. Perennial. 

 May, June. 



Petalosternon corymbosus, Michx, Silky prairie clover. Perennial. 

 June/ July 



Amorpha fruticosa, L. Lead plant. June 



Robinia pseudacaoia, L. Common locust. May. 

 ' Robinia viscosa, Vent. Clammy locust, shrub. May 



Robinia hispida, L. Rose acacea. Shrub May. 

 Wistaria fruteseens, D. C. Wistaria climbing shrub. May. 



Tephrosia spieata, Torr & Gray. June, July. 



Astragalus Tennessiensis l Gray. Tennessee milk vetch. Peren- 

 nial. April. 



Astragalus Canadensis, L. .Canada milk vetch. Perennial June. 

 Vicia m.crantha, Nutt. Small flowered vetch. Biennial. March. 

 ViOl-i Carolina, Walt. Carolina vetch. Biennial. April. 

 Vicia Americana, Gray. American yetch Perennial. April. 



Stylosanthes elatior, Swartz. Pencil flower. Perennial. June, 

 August. 



Lespedeza repens. Torr & Gray. Creeping bush clover. Peren- 

 nial. June, September. 



Lespedeza violacea, Pers. Bush clover. Perennial. June, August. 



Lespedeza Sttwei,"Nntt Downy bush clovei\ Perennial. August. 



