67 



ARISTIDA, L. 



A. dichotoma, Michx. POVERTY GRASS. 

 A. purpurascens, Poir. 



Oakes, 1829. Both species abundant on the commons. 



SPARTINA, Schreber. 



S. cynosuroides, Willd. CORD GRASS. 

 S. polystachya, Willd., Muhl. 



Eatfire and elsewhere. 

 S. juncea, Willd. 



S. stricta, Roth., var. glabra, Gray. SALT-MARSH GRASS. 

 S. stricta, Roth., var. alterniflora, Gray. 



All the species common. 



TRIPLASIS, Beauv. 



T. purpurea, Chap. (Tricuspis purpurea, Gray.) SAND- 

 GRASS. 

 Abundant on the commons. 



DACTYLIS, L. 

 D. glomerata, L. ORCHARD GRASS. 



GLYCERIA, R. Br., Trin. 



G. Canadensis, Trin. RATTLESNAKE GRASS. 



Ditches and open fields east of Bloomingdale, Dr. Swan. 



Polpis, J. H. Redfield. 

 G. nervata, Trin. 

 G. pallida, Trin. 



Near the Washing Pond and between Wauwinet and Siascon- 



set. C. & D. 

 G. aquatica, Smith. REED MEADOW-GRASS. 



Siasconset, J. H. Redfield. Low grounds near the town. 



C. &D. 

 G. acutiflora, Torr. 



Pout Ponds. C. & D. 

 G. distans, Wahl. 



