184 [Assembly 



Eriophorum, L. Cotton Grass. 



alpinum, L . Sphagnous swamps ; northern and western coun- 

 ties . May-June . 



vaginatum, L. Deep sphagnous swamps ; northern and western 

 counties. Also on the high mountains of Essex. 



virginicum, L. Swamps. July. 



polystachyum, L. Boggy meadows . June. 



angustifolium, Reichard. Sphagnous swamps ; northern and wes- 

 tern counties . Dr. Gray . June . 

 Var. brevifolium, Torr . Near Utica . Dr. Gray . 



FlMBRISTYLIS, Vahl. 



spadicea, Vahl. Wet meadows, particularly near salt water. 

 Island of New-York. 



Isolepis, R. Brown. 



subsquarrosa, Schrad. Scirpus subsquarrosus, Muhl. Sandy 



shores of lakes and rivers ; northern and western 



counties . August . 

 capillaris, Rozm. fy Schult. Scirpus capillaris, L. Sandy fields. 



July. 



Trichelostylis, Lestib. 



mucronulata, Torr. Scirpus mucronulatus, Michx. S. autum- 

 nalis, Pursh. Moist sandy soils ; rarely in dry 

 places . July-September . 



Rhynchospora, Vahl. 



alba, Vahl. Swamps. July. 



capillacea, Torr. Swamps, Yates county, Dr. Sartwell. On 



limestone rocks, Jefferson county, Dr. Gray . 

 fusca, Rosm. §■ Schult. Genesee county, Dr. Bradley . 

 gracilenta, Gray. Putnam county, Dr. Barratt. 

 glomerata, Vahl . Low moist grounds . July- August . 

 cephalantha, Gray . Sandy swamps . Long Island . 



Cladium, Browne. 



mariscoides, Torr. Schoenus mariscoides, Muhl. Wet meadows. 

 July. 



Scleria, Bergius . 



reticularis, Michx. Sandy swamps, Long Island . August . 



