174 EIGHTEENTH ANNUAL REPORT ON THE STATE CABINET. 



Peduncles elongated when old. Panicle sub-simple, few-flowered, with the 

 branches appressed, nearly smooth ; spikelets globose-obovate, as large as 

 in P. latifolium. Glumes pubescent ; the inferior one oblong, acutish, 

 3-nerved, about half the length of the 9-nerved superior one. Abortive 

 floret staminiferous, 2-valved ; inferior valve equalling the superior glume ; 

 superior valve shorter, membranaceous. Perfect floret cartilaginous, rather 

 obtuse, smooth and shining, equalling the superior glume : Gray in Rare 

 plants of Northern N.Y. 



Pine barrens, along Wood creek near Oneida lake, Gray. Hamilton, Ma- 

 dison county, J. S. Douglass : Gray in Rare plants of Northern N .Y. 



Rare. June. 



dichotomum, L. Forking-panicled Panicum. 



Dry borders of woods, sandy plains, barren thicket-land. Common. 



Many forms, smooth, shining, pubescent; one only two or three inches 

 high, but full of fruit, on cold banks among lichens, in the north woods. 



June - September. 



depatjperatum, Muhlenberg. Few-flowered Panicum. 



Shaded rocks and barren woodlands at Littlefalls, a large form. Sand-plains 

 of Rome, Knieskern. Dry barren soil, western part of the State, Gray Gram. 

 fy Cyp. Penn-Yan, Yates county, Sartwell in herb. Ham. Coll. June. 



CRUS-GALLI, L. Cock's-foot Panicum. 



Shores, marshes, ditches, waste places. Common. August - October. 



SETARIA, Beauvois. Foxtail. Bottle-grass. 



GLAUCA, Beauv. Glaucous Setaria. 



Waste-grounds, yards. Common. August. 



" VIRIDIS. Beauv. Green Setaria. 



A weed in cultivated fields. Common. July. 



CENCHRUS, L. Bur-grass. Job's Comforters. 



tribuloides, L. Tribulus-like Cenchrus. 



Dry sandy soils. Along the Central railroad, and in cultivated fields between 

 Albany and Schenectady. Also in barren wastes of clear sand on the Pine 

 plains, in advance of even Cyperus filiculmis. Rare. August, September. 



ANDROPOGON, L. Beard-grass 



furcatus, Muhlenberg. Forked Andropogon. 



Pine barrens. Between Albany and Schenectady. Pine plains, Rome, Knies- 

 kern. Shore of Lake Ontario. Frequent. September. 



SCOPARIUS, Michaux. Broom-like Andropogon. 



Sterile ground, old fields. Common between Albany and Schenectady; west 

 to Littlefalls. Steep ridge-sides of Irondequoit bay, Monroe county. 



Abundant. August, September. 



VlRGiNicus, L. Virginian Andropogon. 



Barren banks, drained swamps. Yates county, Sartwell in herb. Ham. Coll. 



Rare. September. 



SORGHUM, Persoon. Wood- grass. Indian- grass. 



nutans, Gray. Drooping- fruited Sorghum. 



Dry banks of the Mohawk valley, from Schenectady to Herkimer county. 

 Sandy plains of Rome. Knieskern. Seneca lake, Gray. Penn-Yan, Yates 

 county. Sartwell in herb. Ham. Coll. Shore of Lake Ontario, from Sodus 

 bay to Braddock's bay, Monroe county. Frequent. August, September. 



