172 EIGHTEENTH ANNUAL REPOllT ON THE STATE CABINET. 



aYMNOSTICHUM, Schreher. Bottle-brush Grass. 



HYSTRix, Schreb. Porcupine Gymnostichum, 



Shady rocks and banks. Abundant in low grounds on the hills near Page's 

 corners, south Herkimer county. Littlefalls; and along the Mohawk. Deep 



ravine-sides, frequent. 



July, August. 



AIRA, L. 



FLEXUOSA, L. 



Rocks and dry sandy plains 



Hair-grass, 



Bending Air a. 



Littlefalls, Herkimer county. Rome, Z?ites/cer7i. 

 Dexter, Jefferson county, Vasey. Western part of the State, Gray Gram. ^ 

 Cyp. Outlet of Crooked lake, abundant, Sartwell. Frequent. June. 



c^spiTOSA, L. Tufted Aira. 



Rocky river-baaks, lake shores. Pine plains between Albany and Schenec- 

 tady. Watertown, Jefferson connty. Gray Gram. ^ Cyp. Dexter, Vasey. 

 West-Canada creek, Fairfield, Herkimer county ; on the banks of the Mohawk 

 below Utica; Gray. Crooked lake outlet, in a few localities, Sartwell. Along 

 the shore of Lake Ontario. Abundant in the dry marl along the southern 

 border of the West-Bergen swamp, Genesee county. Rare. July. 



Wild Oat- grass. 

 Spicate Danthonia. 

 Frequent. July. 



DANTHONIA, DC. 



SPICATA, Beauvois. 



Sany plains, dry hillsides, pine and hemlock woods. 



TEISETUM, Persoon. 



SUBSPICATUM, Beauvois. 



var. MOLLE, Gray. Downy Trisetum. 



Sandy shores of the lakes, rocky river-sides. Borders of Irondequoit bay, 

 of Lake Ontario, Monroe county, L.Holzer: C. M. Booth. Lake shore, Jef- 

 ferson county, Crawe : Gray. Littlefalls, Herkimer county. Gray Gra/n. Sf 

 Cyp. 



The station of both this and the following species was on the rocky banks 

 of islands in the river, above the town. They could not have been native 

 here : they belong northward and west, and must have come down the Mo- 

 hawk and had the Great Lakes for their source. Many similar indications of 

 the flora our valley confirm the testimony of the rocks, that in some remote 

 geological period it has been an outlet of the Lakes, or a channel of retreat- 

 ing waters. Rare. July. 



PALUSTRE, Torrey. Marsh Trisetum. 



Shores and low meadows. Little falls of the Mohawk, Gray. Ithaca, Tomp- 

 kins county, Sartwell in herb. Ham. Coll. Rare. June. 



AYENA, L. Oat. 



STRIATA, Michaux. Striate- sheathed Avena. 



Shady rocks, ravine-sides, banks of streams. Chiefly among the hills, both 



north and south of the Mohawk. 

 Gulf of Chittenango creek. 



SAT IV A, L. 



Railroads, field -borders, wood roads. 



HOLCUS, L. 



LAN AT us, L. 



Moist banks. 



ANTHOXANTHUM, L. 



ODORATUM, L. 



Roadsides, damp pastures. 



Littlefalls. Near Wood creek, Knieskern. 

 Frequent. July. 



Co?nmon Oat. Sown Avena. 

 Self-sown often. June, July. 



Velvet-grass. 

 Downy Holcus, 

 Occasional and transient. June. 



Vernal-grass. 



Fragrant Anthoxanthum. 

 Common. May -August. 



