IlS 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. Ha7ikenson . 



1101. C. lurida Wahl. {C '. tentaculata 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. co?nosa Boott.) 

 [C . Pseudo-Cyperus America7ia Hochst.] 



Marshes; frequent. 

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



1 105. C. scabrata Schwein. 



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

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



1 106. C. Houghtonii Torr. 



Rare. Long pond, Dr. Anna H. Searing. 



1 107. C. filiformis L. 



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



1 108. C. filiformis L. var. latifolia Bceckl. (C. lanuginosa Michx.) [C. fili- 

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



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



1 109. 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. 



1 1 10. C. trichocarpa Muhl. var. aristata Bailey. (C aristata R. Brown.) 

 [C. trichocarpa 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. 290.— /8th N. Y. Rep. 

 mi. C. riparia Curtis. 



Marshes; frequent. 



1 1 12. C. fusca All. {C. Buxbaumii Wahl.) 



Rare . Bank of Genesee river, Bradley. Bergen swamp . 



1 1 13. C. rigida Good. var. Goodenovii Bailey. (C. vulgaris Fries.) [C. rigida 



Goodenovii (J. Gay) Bailey.] 

 Rare. Monroe county, Dr. Anna H. Searing. Wayne county. 



1 1 14. C. stricta Lam. 



Marshes ; frequent. 



1 115. C. aquatilis Wahl. 



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

 Baxter. Wayne county. 



