MANUAL OF THE GRASSES OF THE UNITED STATES 321 



Figure 644.— ^4, Ammophila breviligulata. Plant, X Vi\ spikelet and floret, X 5. (SherrT, Ind.) B, 

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



