124 ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



445- CENCHRUS L. 



1208. C. TRIBULOIDES L. 



Along the N. Y. C. railroad from East Rochester eastward. 



446. LEERSIA Swartz. [Homalocenchrus Mieg.] 



1209. L. Virginica Willd. {Homalocenchrus Virginicus (Willd.) Britton.] 



Rare. Shore of Irondequoit bay, Dr. C . M . Booth. Wayne county. 



1210. L. oryzoides Swartz. {Homalocenchrus oryzoides (L.) Poll.] Cut Grass. 



Marshes and wet ground along streams ; common. 



447. ZIZANIA Gronov. [L.] 



121 1. Z.aquatica L. Indian Rice. 



Frequent in all the bays, inlets and marshes along lake Ontario. 



448. ANDROPOGON Royen. [L.] 



1 2 12. A. furcatus Muhl. \A. provincialis Lam.] 



Dry banks ; frequent. 



121 3. A. scoparius Michx. 



Dry ground ; common. 



449. CHRYSOPOGON Trin. 



1 2 14. C. nutans Man. 6th ed. {Sorghum nutans Gray.) [Andropogon nutans 



avenaceus (Michx.) Hack.] 



Frequent on dry banks and shores. 



450. PHALARIS L. 



P. Canariensis L. Canary Grass. 



Frequent in waste places and door-yards. 



1215. P. arundinacea L. Reed Canary Grass. 



Abundant in marshes along the Genesee river. 



1216. P. ARUNDINACEA L.var.PICTA. RlBBON GRASS . 



Escaped and established along N.Y. C. R. R. in Chili, Miss Beckwith. 



451. ANTHOXANTHUM L. 



12 17. A. ODORATUM L. SWEET VERNAL GRASS . 



Roadsides and pastures; infrequent. Irondequoit. Gates. 



452. HIEROCHLOE Gmelin. [Savastana Schrank.] 



1218. H. borealis Roem. & Schultes. {Savastana odor ata (L.) Scribn.] 



Rare. Wayne county, E. L. Hankenson. 



453. ORYZOPSIS Michx. 



121Q. O. melanocarpa Muhl. 



Rocky woods, banks and ravine sides ; frequent. 



1220. O. asperifolia Michx. Mountain Rice. 



Common in woods along river banks and ravines and on hillsides. 



1221. O. Canadensis Torr. [O. juncea (Michx.) B. S. P.] 



Rare. Sandy bank of Irondequoit bay, Dr. C. M. Booth . 



454- MILIUM Tourn. [L.] 



1222. M. effusum L. Millet Grass. 



Wet places and swamps ; not common. 



