62 FLORA OF WORCESTER COUNTY. 



geniculatus, L., var. aristulatus, Torr. In very wet places. 

 SPOROBOLUS, R. Br. Drop-seed Grass. 



vaginseflorus, Vasey. Dry fields. 



AGROSTIS, L. Bent-Grass. 



*alba, L. White Bent-Grass. Common. 



* " " var. vulgaris, Thurber. Red Top. 



perennans, Tuckerm. Thin-Grass. Damp places. 



scabra, Willd. Hair-Grass. Dry places. 



CINNA, L. Wood Reed-Grass. 



arundinacea, L. Woods, not rare. 



pendula, Trin. Princeton. W. W. B. & J. F. C. 



CALAMAGROSTIS, Adans. Reed Bent-Grass. 



Canadensis, Beauv. Blue-Joint Grass. Meadows. 



Nuttalliana, Steud. Moist grounds. 



ARRHENATHERUM, Beauv. Oat-Grass. 



*avenaceum, Beauv. Meadows. 



HOLCUS, L. Meadow Soft-Grass. 



*lanatus, L. Velvet-Grass. Moist meadows. 



DESCHAMPSIA, Beauv. Hair-Grass. 



flexuosa, Trin. Common Hair-Grass. Mt. Wachusett. 

 AVENA, Tourn. Oat. 



*sativa, L. Occasionally spontaneous. 



striata, Michx. G. E. Stone. 



DANTHONIA, DC. Wild Oat-Grass. 



spicata, Beauv. Pastures. 



PHRAGMITES, Trin. Reed. 



communis, Trin. Westborough. A. N. Randlett. 



ERAGROSTIS, Beauv. 



*major, Host. Waste places. 



