GENERA OF GRASSES OF THE UNITED STATES. 59 



six being represented in the United States, these inhabiting the 

 Southeastern States, some species extending as far north as Long 

 Island and as far west as Kansas and Texas. 



FIG. 24. Salt-grass, Distichlis spicata. Staminate plant and a pistillate panicle, X 

 pistillate spikelet and floret, X 5. 



Type species: Uniola paniculata L. 



Uniola L., Sp. PI. 71, 1753 ; Gen. PL, ed. 5, 32. 1754. Linnreus describes two 

 species, U. paniculata and U. spicata. The first species is selected as the type. 

 The second is now referred to Distichlis. 



