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Reed-grass, Small. Calamagrostis canadensis. 
Wood. Cinna arundinacea. 
Reed, Canary-grass. Phalaris arundinacea; P. caroliniana. 
Indian. Cinna arundinacea. 
Meadow-grass. Glyceria aquatica. 
Sea-sand. Ammophila arundinacea. 
Sweet. Cinna arundinacea. 
Relief-grass, Gilbert's. Phalaris caroliniana. 
Rescue-grass. Bromus unioloides. 
Rhode Island Bent. A. canina; Agrostis vulgaris. 
Ribbon-grass. Phalaris arundinacea. 
Rice. Oryza sativa. i 
Black-fruited Mountain. Oryzopsis melanocarpa. 
Cut-grass. Leersia oryzoides. 
False. Leersia oryzoides. 
-grass. Leersia oryzoides. 
Indian. Zizania aquatica. 
Jungle. Panicum colonum. 
Large White-grained Mountain. Oryzopsis asperifolia. 
Mountain. Generic name for species of Oryzopsis; O. asperifolia. 
Oregon. Andropogon sorghum. 
Pampas. Andropogon sorghum. 
Small Mountain. Oryzopsis canadensis. 
Tuscarora. Zizania aquatica. 
Water. Zizania aquatica. 
Wild. Zizania aquatica. 
River-grass. Panicum texanum. 
Rocky Mountain Hair-grass. Deschampsia cæspitosa var. 
Rolling Spinifex. Spinifex hirsutus. 
Rough-stalked Meadow-grass. Poa trivialis. 
Running Mesquit. Hilaria cenchroides. 
Rusa Oil-grass. Andropogon schænanthus. 
Rush-grass. Generic name for species of Sporobolus. 
-like Drop-seed. Sporobolus junceus. 
Salt-grass. Spartina juncea. 
Russian Millet. Panicum miliaceum. 
Rye. Secale cereale. 
Montana. Triticum polonicum. 
Rye-grass. Elymus virginicus; Lolium perenne. 
English. Lolium perenne. 
