CATALOGUE OF PLANTS. 53 



O. Canadensis, Torr. (Canadian Mountain Rice.) Hills and dry plains. 

 Milium, Tourn. 



M. effusum, L. (Millet-Grass.) Damp woods ; frequent. 

 Muhlenbergia, Schreber, Drop-seed Grass. 



M. sobolifera, Trin. Rocky woods ; frequent. 



M. glomerata, Trin. (Spiked Muhlenbergia.) Wet banks ; not rare. 



M. Mexicana, Trin. (Mexican Muhlenbergia.) Common everywhere. 



M. sylvatica, Torr. & Gray. (Wood Muhlenbergia.) Rocky woods; rather 

 scarce. 



Brachyelytrum, Beauv. 



B. aristatum, Beauv. Rocky woods ; very common. 

 Phleum, L. Cat's-tail Grass. 



P. PRATENSE, L. (Timothy. Herd's-Grass in New England.) A most 

 valuable European grass. 

 Alopecurus, L. Foxtail Grass. 



A. PRATENSis, L. (Meadow Foxtail.) Claremont, Dr. Barrows ; moist 



meadows. 

 A. GENICULATUS, L. (Floating Foxtail.) Claremont, Dr. Barrotvs. This 

 and the above, European. 



var. aristulatus, Torr. (A. aristulatus, Michx.) A native form found in 

 wet places. Neither the species nor the variety is common. 

 Sporobolus, R. Br. Drop-seed Grass. Rush-Grass. 



S. vaginaeflorus, Vasey. (Vilfa vaginaeflora, Torr.) Barren fields. 

 S. serotinus, Gray. Wet places ; common. 

 Agrostis, L. Bent-Grass. 



A. ALBA, L. (White Bent-Grass.) Cultivated from Europe. 



var. VULGARIS, Thurb. (Common Red-top. Herd's-Grass of Penn.) 

 Naturalized from Europe. The type and the variety are both good 

 grasses, but cannot always be distinguished. 

 A. perennans, Tuckerm. (Thin-Grass.) In damp shade. 

 A. scabra, Willd. (Hair-Grass.) Dry places ; common. 

 A. canina, L. (Brown Bent-Grass.) Meadows. 

 •Cinna, L. Wood Reed-Grass. 



C. arundinacea, L. Moist woods ; frequent. 



C. pendula, Trin. (C. arundinacea, var. pendula. Gray.) Wet rocks. 

 Calamagrostis, Adans. Reed Bent-Grass. 



C. Canadensis, Beauv. (Deyeuxia Canadensis, Hook.) — (Blue-Joint Grass.) 

 Wet grounds ; a good grass. 



C. Nuttalliana, Steud. (Deyeuxia Nuttalliana, Vasey.) Windsor, Vt., 

 Leland ; rare. 



C. Langsdorffii, Trin. (Deyeuxia Langsdorffii, Kunth.) Moosilauke Mt. 

 Arrhenatherum, Beauv. Oat-Grass. 



A. AVENACEUM, Beauv. Windsor, Vt., Leland ; European. 

 HolCUS, L. Meadow Soft-Grass. 



H. LANATUS, L. (Velvet-Grass.) European. 



