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OHIO BIOLOGICAL SURVEY 
stamens; staminate spikelet with 6 stamens and a vestigial gynecium, 
its glumes short-awned or awn-pointed; spikelets between the stam¬ 
inate and carpellate parts of the inflorescence more or less perfect, 
with 6 stamens; grain cylindrical, closely enveloped in the flower¬ 
ing glumes. 
1. Zizania aquatica L. Wild Rice. A large annual grass with 
an erect stem, 3-10 ft. high, broad flat leaves, and a large loose 
panicle, the upper part carpellate with erect branches, the lower 
staminate with ascending or spreading branches. Staminate spikelets 
with acute awn-pointed glumes; carpellate spikelets linear, the lem¬ 
ma long-awned; staminate spikelet with 6 stamens and a vestigial 
ovulary; carpellate spikelet with 6 vestigial stamens. 
The grain was used by the Indians for food. In swamps, often in 
rather deep water. July, Aug. Erie, Licking, Perry, Hocking. 
