The Book of Grasses 



PAGE 



Old Witch-grass {P. capillare) 63 



Bitter Panic-grass {P. amarum) 65 



Cockspur Grass (Echinochloa crusgalli) 67 



Salt-marsh Cockspur Grass (£". IValteri) 69 



Scribner's Panic-grass (Panicum Scrihnertanum) ... 72 



Hispid Panic-grass (P. clandestinum) 72 



Cockspur Grass {Echinochloa crusgalli) 73 



Long Panic-grass {Panicum agrostoides) 74 



The Deserted Garden 75 



Yellow Foxtail {Setaria glauca) 77 



Green Foxtail (5. viridis) 79 



Bur-grass {Cenchrus carolinianus) 83 



Indian Rice {Zi^ania palustris) 84 



Indian Rice by the border of a stream 85 



Rice Cut-grass {Leersia oryioides) 89 



Rice Cut-grass (L. oryioides) 91 



White-grass (L. virginica) 91 



Reed Canary-grass {Phalaris arundinacea) 93 



Reed Canary-grass (P. arundinacea) 95 



Sweet Vernal-grass {Anihoxanthum odoratum) .... 97 



Vanilla Grass {Hierochlo'e odorata) 98 



White-grained Mountain Rice {Ory^opsis asperifolia) . 99 



Black Oat-grass {Stipa avenacea) 100 



Slender Aristida {Aristida gracilis) 102 



Purplish Aristida {A. purpurascens) 102 



Sea-beach Aristida {A. tuberculosa) 103 



Meadow Muhlenbergia {Muhlenbergia mexicana) . . . 106 



Long-awned Hair-grass {M. capillaris) 107 



Long-awned Wood-grass {Brachyelytrum erectum) .... 108 



Long-awned Wood-grass {B. erectum) 109 



Timothy {Phleum pratense) ill 



Meadow Foxtail {Alopecurus pratensis) 113 



Sheathed Rush-grass {Sporobolus vaginaeflorus) . . . . 114 



Gauze-grass (5. uniflorus) 114 



Red-top {Agrostis alba) 116 



Rough Hair-grass {A. hyemalis) 119 



Blue-joint Grass {Calamagrostis canadensis) 121 



Nuttall's Reed-grass (C. cinnoides) 122 



Blue-joint Grass (C. canadensis) in Renwick Marsh . . . 123 



Blue-joint Grass (C canadensis) 125 



xii 



