MANUAL OF THE GRASSES OF THE UNITED STATES 321 



FIGURE 644. A, Ammophila breviligulata. Plant, X 1 A; spikelet and floret, X 5. (Sherfi, Ind.) B, 

 Ammophila arenaria. Glumes, floret, and ligule. X 5. (Heller 5670, Calif.) 



