GENERA OF GRASSES OF THE UNITED STATES. 



117 



the two florets; first floret perfect, its lemma awnless; second floret 

 staminate, its lemma awned on the back. 



FIG. 61. Aspris caryopliyllea. Plant, X 1 ; spikelet and two views of floret, X 5. 



Perennial grasses, with flat blades and contracted panicles. Species 

 about eight, Europe and Africa; two introduced into the United 

 States. 



Type species : Holcus lanatus L. 



Ginannia Bubani, Fl. Pyren. 4: 321, 1901, not Scop., 1777, nor Dietr., 1804. 

 P.ased on " Holcus L. et Auctor.," the two species included, G. pubesccns and O. 

 molli-x, showing that it is to the species congeneric with Holcus lanatus L. that 

 the name is applied. 



