a. 
125 
ce 
istida dichotoma, Michx. (Poverty GRAss.) 
| Frequent in poor soil. 
Aristida gracilis, Zl. 
| Danvers, 1819 (Oakes in Hov. Mag., Vol. XIII), and in the s3me 
region, 1878 (J. H. Sears). 
Aristida purpurascens, Poir. 
On W. P. Upham’s farm, Peabody (W. P. Conant). 
Aristida tuberculosa, Nutt. 
_ Plum Island, 1829 (Oakes), and same station, near a farm house on 
_ the Ipswich end of the Island, 1876 (J. R.). 
Spartina cynosuroides, Willd. 
_ Ipswich river banks, and near the salt water everywhere. 
Spartina juncea, Willd. 
Salt marshes along the entire shore. Common. 
Spartina stricta, Roth. (Sart Marsu Grass.) 
Between tides in all the inlets. This is the ‘‘ Thatch” of the far- 
mers. 
Bouteloua oligostachya, Torr. 
Near the old carpet factory, Tapleyville, 1880 (J. H. S. and J. R.). 
Probably introduced from the west with wool. 
Eleusine Indica, Gertn. (Doa’s-TaIL GRASS.) 
This is very common at New York city and Philadelphia, but never 
noticed here until 1878, when it seemed to have established itself 
_ on Pennsylvania pier, Salem. (Probably Nat. from India.) 
Tricuspis purpurea, Gray. (Sanp GRAss.) 
Turkey Hill, Ipswich, Newbury; Nahant beach. ‘ 
Dactylis glomerata, Z. (OrcHAaRD GRass.) 
Fields and roadsides. Common. (Nat. from Eu.) 
Eatonia Pennsylvanica, Gray. 
Burnt land ‘‘ Blind Hole,” Danvers (J. H. Sears); West Newbury 
(W. P. Conant). 
Glyceria Canadensis, Trin. (RATTLESNAKE GRASS.) 
Common in open swamps. 
Glyceria obtusa, Trin. 
Swamps and wet places. Frequent. 
Glyceria elongata, Trin. 
Essex county (Oakes). 
Glyceria nervata, Trin. (Fown Mrapow Grass.) 
Common in meadows. 
Glyceria pallida, Trin. 
In shallow water. Boxford, etc. Not very common. 
