184 {AssEMBLY 
Eriopnorum, 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, J. Swamps. July. Pes 
polystachyum, LZ. Boggy meadows. June. 
angustifolium, Reichard. Sphagnous swamps; northern and wes- 
tern counties. Dr. Gray. June: 
Var. brevifolium, Torr. Near Utica. Dr. Gray. 
FimsristyLis, Vahl. 
spadicea, Vahl. Wet meadows, particularly near salt water. 
Island of New-York. 
Isoteris, R. Brown. 
subsquarrosa, Schrad. Scirpus subsquarrosus, Muhl. Sandy 
shores of lakes and rivers; northern and western 
counties. August. 
capillaris, Rem. § Schult. Scirpus capillaris, LZ. Sandy fields. . 
July. ) 
TricnEeLostytis, Lestib. 
mucronulata, Torr. Scirpus mucronulatus, Miche. S. autum- 
nalis, Pursh. Moist sandy soils; rarely in dry 
places. July-September. 
Ruyncuospora, Vahl. 
alba, Vahl. Swamps. July. 
capillacea, Torr. Swamps, Yates county, Dr. Sartwell. On 
limestone rocks, Jefferson county, Dr. Gray. 
fusca, Rem. §- Schult. Genesee county, Dr. Bradley. 
gracilenta, Gray. Putnam county, Dr. Barratt. 
glomerata, Vahl. Low moist grounds. July-August. 
cephalantha, Gray. Sandy swamps. Long Island. 
Criapium, Browne. 
mariscoides, Torr. Schcenus mariscoides, Muhl. Wet meadows. 
July. 
ScLERIA, Berzjus. 
reticularis, Michx. Sandy swamps, Long Island. August. 
