42 Tennessee Flora. 



DESCHAMPSIA Beauv. 



Deschampsia flexuosa (L.) Trin. Mts. of E. Tenn., Ocoee 

 Valley, and Lookout Mt. July. 



TRISETUM Pers. 



Trisetum subspicatum (L.) Beauv. var. molle Gray. Sum- 

 mit of Roane Mountain. F. L. Scribner. July. 



T. Pennsylvanicum (L.) Beauv. T. palustre Torrey. 

 Moist places throughout the Alleghanies. June, July. 



AVENA L. 



Avena sativa L. Oat. Cultivated ; occurs frequently self- 

 sown in fields and on roadsides. July. 



Our common oats are, perhaps, derived from the wild oats 

 of Europe. Avena fatua L. a variable species, through culti- 

 vation. There are distinguished two (classes — " panicle oats," 

 with widely-spreading panicles, and " banner oats," with pan- 

 icles contracted and one-sided. Both of them vary again in 

 the envelopment of the grain, being either " chaflfy " or naked 

 fruited. Oats are also distinguished by the color of the grain, 

 as " white oats " or " black oats." Its cultivation reaches back 

 into prehistoric times. 



ARRHENATHERUM Beauv. 



Arrhenatherum elatius (L.) Beauv. Oat grass. , Old City 

 Cemeterv and in fence rows, vicinity of Nashville. June, 



J"iy- 



DANTHONIA D. C 



Danthonia spicata (L.) Beauv. Wild oat grass. Hilltops 

 around Nashville, in siliceous soils. June; 



D. sericea Nutt. Cedar glades, Edgefield Junction; dry 

 soils in the ridges of E. Tenn. May, June. 



D. compressa Aust. Throughout the higher mountains of 

 E. Tenn. July. 



CHLORIDE^. 



CAPRIOLA Adans. 



Capriola Dactylon '(L.) Kuntze. Cynodon Dactylon Pers. 

 Bermuda: Grass. Does not mature seed and has to be prop- 

 agated by cuttings. Along river banks and in grass plots, 

 where it soon suppresses the other grasses. July-September. 



SPARTINA Schreb. 



Spartina cynosuroides (L.) Willd. Marsh grass. Browns- 

 ville, W. Tenn. September, October. 



