ri8 - ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



1099. C. retrorsa Schw. 



Wet meadows and marshes ; frequent. 



1 100. C. retrorsa Schw. var. Hartii Gray. [C. retrorsa Hartii (Dew.) A . Gray.] 



Rare. E . L. Haiiketison . 



1 101. C. lurida Wahl. [C . teiitaculata Muhl.) 



Marshy places and swamps ; common. 



1 102. C. hystricina Muhl. 



Swales and along streams ; frequent. 



1 103. C. Pseudo=Cyperus L. 



Frequent in marshes along the Genesee river, and elsewhere. 



1 104. C. Pseudo=Cyperus L. var. Americana Hochst. (C comosa Boott.) 

 \C . Pseudo-Cyperiis Americana Hochst.] 



Marshes ; frequent. 

 C. squarrosa L. is reported by L. Holzer. 



1 105. C. scabrata Schwein. 



Rare. Wet woods near Rich's dugway, J/, S. Baxter. Bergen 

 swamp, Dr. C. M . Booth and G. T. Fish. Wayne county. 



1 106. C. Houghtonii Torr. 



Rare. Long pond, Dr. A^itta H. Seariiig . 



1 107. C. filiformis L. 



Bergen swamp, Genesee county. Sodus bay, Wayne county. 



1 108. C. filiformis L. var. latifolia Boerkl. {C. lanuginosa Michx.) \C. fili- 

 formis lanuginosa (Michx.) B.S.P.] 



Marshes ; infrequent. Irondequoit bay. Round pond, etc. 



nog. C. trichocarpa Muhl. 



Marshes; scarce. Margin of Genesee river, Greece, J . B . Fuller. 

 Irondequoit bay. Dr. C. M. Booth and G. T. Fish. Ontario county, 

 E. L. Hankenson . 



inc. C. trichocarpa Muhl. var. aristata Bailey. (C aristata R. Brown.) 

 \C. ttichocarpa aristata (R. Br.) Bailey.] 



Greece, eleven miles west of Rochester, six miles south of lake Ontario, 

 Dr. Bradley, 1829 : Dewey in Sill. V. 38, p. 2qo.—iSth N. V. Rep. 



11 1 1. C. riparia Curtis. 



Marshes; frequent. 



1112. C. fusca All. (C. Buxba7imii Wahl.) 



Rare. Bank of Genesee river, /^r^^^/^'j/. Bergen swamp. 



1 1 13. C. rigida Good. var. Qoodenovii Bailey. [C . vulgaris Fries.) \C. rigida 



Goodenovii (J. Gay) Bailey.] 

 Rare. Monroe, couniy. Dr. Anna //. Searing. Wayne county. 



1114. C. stricta Lam. 



Marshes ; frequent. 



1 1 15. C. aquatilis Wahl. 



Marshes; scarce. Mendon, J. B. Fuller. Adams Basin, M . S. 

 Baxttr. Wayne county. 



