58 COXXIXTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



Often grown for fodder. In the Old World from ancient 

 times grown for human food. 



CENCHRUS L. Sandbur. 

 Cenchrus carolinianus Walt. 



Cenchrus tribnloides of American authors, not L. 

 Sandbur. Hedgehog or Bur Grass. 



Local, frequent or common. Dry sandy or gravelly fields 

 and waste ground. July — Aug. ; fruit Aug. — %ept. 

 Sometimes a troublesome weed. 



ZIZANIA L. Water or Indian Rice. 

 Zizania palustris L. (of marshes). 

 Zizania aquatica of Manuals, not L. 

 Wild Rice. Water Oats. 



Local or frequent. Shallow water of tidal rivers and large 

 streams, especially near the coast ; sometimes in ponds as at 

 Hatch Pond, Kent (Eames). July — Aug. ; fruit Sept. — Oct. 



A highly ornamental grass. The seeds are very nutritious, 

 and are said to be superior to the Oriental rice. They are 

 greedily eaten by ducks and other birds ; also extensively 

 gathered for food by the Indians of the Northwest and sold 

 by them in the markets. 



LEERSIA Sw. Wliite Grass. Cut Grass. 



Leersia virginica W illd. 



HomalocencJirus virginiciis Britton. 

 Cut Grass. Scratch Grass. 



Frequent. Wet woods, swamps and moist places. Aug. 



Leersia oryzoides (L.) Sw. (like Oryza. the Rice). 

 Homalocenchrus oryzoides Poll. 

 Rice Cut Grass. Scratch Grass. False Rice. 



Frequent. Swamps, along streams and in ditches. Aug. — 

 Sept. 



It makes a fair quality of hay. 



PHALARIS L. Canary Grass. 



Phalaris canariensis L. 

 Canary Grass. 



Rare or occasional. Roadsides and waste places. June — 

 Oct. Fugitive or adventive from Europe. 



