The Common Grasses 



Nodding Wild Rye (E. canadensis) 247 



Ray-grass (Lolium perenne) 231 



July 20th to October ist: 



Gauze-grass (Sporoholus uniflorus) 113 



Bur-grass {Cenchrus carolinianus) 78 



Rice Cut-grass {Leersia oryioides) 89 



White-grass (L. virginica) 89 



Slender Paspalum (Paspalum setaceum) 60 



Field Paspalum ({P. laeve) 60 



Large Crab-grass {Digitaria sanguinalis) 56 



Small Crab-grass (D. humtfusa) 56 



Slender Finger-grass (D. fiUformis) 56 



Indian Rice {Ziiania palustris) 83 



Yellow Foxtail {Setaria glauca) 77 



Green Foxtail {S. viridis) 77 



Cockspur Grass (Echinochloa crusgalli) 62 



Old Witch-grass (Panicum capillare) 71 



Tall Smooth Panic-grass (P. virgatum) 71 



Sea-beach Panic-grass (P. amaroides) 71 



Large-fruited Panic-grass {P. latijolium) . . . . » 71 



Spreading Panic-grass {P. dichotomiflorum) 71 



Wood Reed-grass {Cinna arundinacea) 128 



Slender Wood Reed-grass (C. latijolia) 128 



Tall Red-top (Tridens flavus) 170 



Sand-grass (Triplasis purpurea) 171 



Marram Grass {Ammophila arenaria) ...... 127 



Salt-meadow Leptochloa {Leptochloa fascicularis) . . . 166 



Lace-grass {Eragrosiis capillaris) 172 



Purple Eragrostis (£". pectinacea) 172 



Strong-scented Eragrostis (£. megastachya) 172 



Creeping Eragrostis {E. hypnoides) 172 



Broad-leaved Spike-grass (Uniola latijolia) 183 



Slender Spike-grass {U. laxa) 183 



Meadow Muhlenbergia {Muhlenhergia mexicana) . . . 105 



Rock Muhlenbergia {M. sobolifera) 105 



Wood Muhlenbergia (M. sylvatica) 105 



Nimble Will (M. Schreheri) 105 



Long-awned Hair-grass (M. capillaris) 105 



Long-leaved Rush-grass {Sporoholus asper) 113 



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