TENNESSEE FLORA. 35 



Tephrosia Vir^iniaiia Pers. Dry, siliceous soils; oak bar- 

 rens; common. June. 



T. spicata Torr.& Gray. In same localities with the former. 

 June- July. 



Astragalus Canadensis L. Cliffs along Cumberland and other 

 streams. June-July. 



A. caryoeai'pus Kerr. Cedar glades near station at Lavergne. 

 April. 



A. Plattensis Nutt. var. Tenuessiensis Gray. Very common 

 in the limestone region of Middle Tenn, April-May. 



Stylosanthes elatior Swartz. Argillaceous and siliceous soils. 

 Harpeth hills, East Tenn ; frequent. August. 



Desniodiuni acumiuatuni DC. Rich woodlands. July. 



D. Canadense DC. Cumberland Mts. ; apparently rare in 

 Tennessee. Cowan. July. 



D. canescens DC. Highlands of Middle Tenn. July-Au- 

 gust. 



D. eiliare DC. Barrens. July-August. 



D. cuspidatam Hook. Siliceous formation. Ridgetop. July- 

 August. 



D. Dilleuii Dark Very common. July-August. 



D. liumifusum Beck. Greenbrier, Ridgetop, etc. Highlands. 

 July- August. 



D. Isevigatum DC. With the former. Harpeth hills. July- 

 August. 



D. Marilandieiini Boott. Cedar and oak barrens. August- 

 September. 



D. niidifloi'iim DC. Rich woods. July-August. 



D. paniculatilQi DC. Perhaps the most common species in 

 limestone and siliceous soils. August. 



D. pauciflornm DC. Deep rich soils in shady grounds. Har- 

 peth hills, etc. July-August. 



D. rig'idnni DC. Cedar glades, Lavergne. August. 



D. rotundi folium DC. Rocky woodlands, hills near Nash- 

 ville. August. 



Var. glabratuni Gray. Paradise ridge. August. 



