MuMenbergia Schreber. 



sobolifera (Muhl.) Trin. 



tenuiflora (WiUd.) BSP. 



sylvatica Torr. 



mexicana (L.) Trin. 



racemosa (Michx.) BSP. 



Schreberi J. F. Gmel. Drop-seed, Nimble Will. Amherst, H. G. 

 Jesup ; South Hadley. 



capillaris (Lam.) Trin. Hair Grass. Sugarloaf ; Mt. Holyoke. 

 Brachyelytrum Beauv. 



erectum (Schreb.) Beauv. 

 PKIeum L. 



PRATENSE L. Timothy, Herd's Grass. 

 Alopecurus L. Foxtail Grass. 



PRATENsis L. Meadow Foxtail. 



geniculatus L. Floating Fo.xtail. 



geniculatus L. var. aristtilatus Torr. Amherst, etc. E. Tuck- 

 erman ; also by H. G. Jesup. 

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



vaginiflorus (Torr.) Wood. 



uniflorus (Muhl.) Scribn. & Merr. 

 Agrostis L. Bent Grass. 



ALBA L. White Bent Grass. 



ALBA L. var. VULGARIS (With.) Thurb. Red Top. 



hyemalis (Walt.) BSP. 



perennans (Walt.) Tuckerm. Thin Grass. 



CAXINA L. Rhode Island Bent Grass. In lawns, etc. 

 Calamagrostis Adans. Reed Bent Grass. 



canadensis (Michx.) Beauv. Blue-joint Grass. 



inexpansa Gray. Lock's Pond, Shutesbury ; H. L. Clark, in J?^o- 

 dora, Vol. I, p. 165. 



cmnoid.es (Muhl.) Barton. 

 Cinna L. Wood Reed Grass. 



arundinacea L. 

 Holcus L. 



LANATUS L. Velvet Grass. 

 Sphenopholis Scribn. 



obtusata (Michx.) Scribn. 



pollens (Sprang.) Scribn. 



palustris (Michx.) Scribn. Amherst, Hitchc. Catal. 

 Trisetum Persoon. Nonotuck, E. Tuckerman. 



spicatum (L.) Richter. Deerfield, H. G. Jesup. 



flavescens (L.) R & S. Introduced in grass-seed. 



