113 



TV& 



Fig. 409. Zizania aquatica Linn. Sp. PI. 991. Wild Rice 

 " Reeds." — A stout, erect, aquatic annual 9 to 30 dm. high, with 

 broad, flat le-ives and large panicles 30 to 60 cm. long. Stanii- 

 nate spikelets (c) 6 to 12 mm. long, awnless; the pistillate 

 spikelets (a) 8 to 24 mm. long, the outer one hearing an awn 24 to 

 48 mm. long. Grain linear, 10 to 16 mm. long. — Swamps and 

 shallow margins of sluggish streams and rivers, New Brunswick 

 to Manitoba, southward to Florida and Texas. June-October. 

 19819— No. 17 8 



