d4 
Fic. 29. Hydrochloa fluitans (Mx.) Torr.—a, A branch showing the inflores- 
cence; b, a staminate spikelet: ¢, a pistillate nist dand ¢, grain. 
HYDROCHLOA Beauy. - 135, 1812, inci oo monce- 
cious, the staminate terminal, the sfieeie Ng slay. ¢ es 2, somew 
: floating or : 
ee Boating lates: ‘ind few spikelets in bes and st spikes 
Species 1. ‘Southern Ui nited States, 
