92 BULLETIN OF THE LABORATORIES 



813. C. utriculata Boott. 



Granger's Swamp, Granville. June and July. 



814. C. lurida Wahl. 



Swamps, common. June, August. 



815. C. hystricina Muhl. 



Licking Reservoir. Reported by Mr. W. C. Werner. 



816. C. Pseudo-Cyperus L. 



Banks of stream in Goodrich's woods near Granville. May and 

 June. 



817. C. Pseudo-Cyperus L. Var. Americana Hochst. 

 Licking Reservoir. August. 



818. C. stenolepis Torr. 



Wet places, Granville and Alexandria. July. 



S19. C. squarrosa L. 



Wet places, Licking Reservoir and Toboso. July and August. 



820. C. Shortiana Dewey. 

 Moist places, common. June. 



821. C. trichocarpa Muhl. 

 *Wet places, Alexandria. July. 



822. C. prasina Wahl. 



Wet places, Goodrich's woods near Granville. April and May. 



823. C. virescens Muhl. 

 Near Newark. June. 



824. C. gracillima Schwein. 

 Wet places, Alexandria. July. 



825. C. Davisii Schwein and Torr. 

 Moist soil, Station 3. May and June. 



826. C. granulans Muhl. 



Wet places, swamps, common. May, August. 



827. C. oligocarpa Schkuhr. 



Gravelly banks, Station 3, Granville and Alexandria. July. 



828. C. laxiflora Lam. 



Goodrich's woods north of Granville. May. 



829. C. laxiflora Lam. Var. varians Bailey. 

 Grassy places along the sidewalks in Granville. June. 



830. C. laxiflora Lam. Var. patulifolia Carey. 



