Tennessee Flora. 39 



PENNISETUM Pers. 



Pennisetum typhoideum Rich. Pearl millet. Introduced 

 from the Orient ; it is sometimes cultivated. 



ORYCE^. 



ZIZANIA L. 



Zizania aquatica L. Indian rice. Near Humboldt, W. 

 Tenn. Guthrie, Ky. 



ORYZA L. 



Oryza sativa L. Rice. A variety called " upland rice " is 

 here and there cultivated on a small scale in W. Tenn. M. 



HOMALOCENCHRUS Meig. (Leersia Swartz.) 



Homalocenchrus Virginicus Britt. Leersia Virg-inica Willd. 

 White grass ; shady anSd damp locations. O. S. July-Sep- 

 tember. 



H. oryzoides (L.) Poll. In swamps and along^ streams. 

 O. S. July-September. 



H, lenticularis (Michx.) Scribn. Catch-fly grass. W. Tenn. 

 S. M. Bain. 



PHALARIDE^E. 



PHALARIS L. 



Phalaris Canariensis L. Canary grass. Food for canary 

 birds, whence it frequently escapes. 



Ph. arundinacea L. Reed grass. Introduced, with the next. 



Ph. arundinacea picta L. The ribbon grass is frequently 

 found in gardens and survives in abandoned garden plots, but 

 the genuine Ph. arundinacea I have never seen in Tennessee 

 spontaneous. 



ANTHOXANTHUM L. 



Anthoxanthum odoratum L. Sweet vernal grass. Is fre- 

 quently found in meadows in E. Tenn., in which part of the 

 State it seems to thrive best. Introduced with grass seeds 

 from Europe, it imparts the hay a sweet flavor. 



ACxROSTIDE^. 

 ARISTIDA L. 



Aristida dichotoma Michx. Poverty grass. In poor, sandy 



soils. O. S. September, October. 



A. gracilis Ell. In glades and sterile soils, with the former. 

 September, October. 



