126 



ROCHESTER ACADEMY OF SCIENCE. 



[Oct. 8, 



461. CINNA L. 



1239. C. arundinacea L. 



Marshes and swampy woods ; frequent. 

 124.0. C. pendula Trin. (C. arundinacea var. pendula Gray.) [C. latifolia 

 (Trev.) Griesb.] 



Rare. Ravines, Irondequoit. Wayne county. 



462. CALAMAGROSTIS Adans. 



1241. C. Canadensis Beauv. [C. Canadensis (Michx.) Beauv.] Blue-Joint. 



Marshes; common. 



463. AMMOPHILA Host. 



1242. A. arundinacea Host. [Calamagrostis arena ria Roth.) \Anu110phila 

 arenaria (L.) Link.] 



Common on the barren beach of lake Ontario. 



464. ARK HEX A THE RUM Beauv. 



1243. A. avenaceum Beauv. \A.elatius (L.) Beauv.] Oat Grass. 



Rochester, Dr. C . M. Booth. Dr. A . H. Searing . Wayne county. 



465. HOLCUS L. 



1244. H. lanatus L. Meadow Soft-Grass. Velvet-Grass. 



Meadows in Genesee Valley park, Rochester. L. Holzer. 



466. DESCHAMPSIA Beauv. 



1245. D. flexuosa Trinius. [Aira flexuosa L.) [D. flexuosa (L.) Trinius.] 



Common in dry woods along the banks of the Genesee river, below 

 Rochester ; occasional on dry slopes elsewhere. 



1246. D. caespitosa Beauv. [Aira ccespitosa L.) [D. ea'spitosa (L.) Beauv.] 



Rare. Rocky bank of Genesee river, near foot of White street, 

 Rochester, /. B . Fuller. Bergen swamp, J. E . Paine ! Sodus, Wayne 

 county, E. L. Hankenson . 



467. TRISETUM Pens. 



1247. T. subspicatum Beauv. var. molle Gray. [T. subspicatwn molle (Mx.) 

 A. Gray.] 



Rare. Dry sandy bank, Brighton, Dr. C . M . Booth! 



1248. T. palustre Torr. [T. palustre (Michx.) Torr.] 



Rare. Near Rochester, Dr. C . M. Booth. 



468. A I E.YA Tourn. [L.] 



1249. A. striata Michx. 



Monroe county, Dr. Anna H . Searing. G. T. Fish. 

 A. sativa L., Common Oat, is frequently spontaneous. 



469. DANTHONIA DC. 



1250. D. spicata Beauv. [D . spieata (L.) Beauv.] Wild Oat-Grass. 



Dry banks and hills ; common. 



CYNODON Richard. [Capriola Adans.] 



C. Dactylon Pers. \Capriola Dactylon (L.) Kuntze.] Bermuda Grass. 



In mold brought from the woods, Dr. A . H . Searing . 



