lOO ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



837. U. racemosa Thomas. Corky Elm. 



Low rich grounds ; rare. Three specimens on the flats along Ironde- 

 quoit creek, Brighton. Henrietta, J/. 6*. Baxter. Brockport, Prof. IV. 

 H . Lennon . Wayne county. 



346. CEL riS Tourn. [L.] 



S38. C. occidentalis L. Hackberry. 



Scarce. River flats, near Vincent st. bridge, Rochester, C. C. Laney . 

 East shore of Irondequoit bay, Webster, G. T. Fish. Rush, R. O. 

 Greene/ Wayne county. 



347. C.-iyN A BIS Tomn. [L.] 



839. C. SATivA L. Hemp. 



W^aste places ; infrequent. 



348. flUMULUS L. 



840. H. LupuLUS L. Common Hop. 



Infrequent. Not known to be indigenous. 



34g. MORUS Tourn. [L.] 



841. M. rubra L. Red Mulberry. 



Rich woods and ravines ; scarce. 



842. M. ALBA L. White Mulberry. 



River banks, hillsides, waysides ; scarce. 



350. URTICA Tourn. [L.] Nuttle. 



843. U. gracilis Ait. 



Low places, fence rows, banks of streams; common. 



844. U. DIOICA L. 



Rare. Prof. Lennon. Wayne county. 

 — U. CHAM/EDRYOIDES Pursh. Introduced. Dr. C . M . Booth. 



351. LAPORTEA Gaud. [Urticastrum Fabric] 



845. L. Canadensis Gaudichaud. \Urticastriim divaricatuni (L.) Kuntze.] 



Moist rich woods and ravines ; frequent. 



352. FILEA Lindl. [Aoicea Rat.] 



846. P. pumila Gray. \Adicea pumila (L.) Raf.] Rich-weed. 



Moist shaded soil, springy places, and in shallow clear water; common. 



353. JUEHMERIA Jac:q. 



847. B. cylindrica Willd. [B . cylindrica (L.) Willd.| False Nettle. 



Moist shaded soil and marshes ; frequent. 



FLATANACE^. 



354. FLA TAN US L. 



848. P. occidentalis L. Sycamore. Button-wood. 



Woods and banks of streams ; infrequent. 



JUGLANDACE/E. 



355. J UCLA NS l. 



849. J. cinerea L. Butternut. 



Rich woods, river banks and ravines; frc(|uent. 



