CATALOGUE OF PLANTS. 463 
. granulata (Ehrb.), Ralfs. 
Fresh water. Common in ponds and ditches. Gloucester: 
Mullica Hill. Atlantic: Mays Landing. Monmouth: Ocean 
Beach. Burlington: Marlton. Camden: Kirkwood and Black- 
wood. 
. nummuloides (Bory), Ag. 
Salt or brackish water. Abundant on alge or attached to 
piling. Atlantic: Atlantic City. Monmouth: Shrewsbury 
River, Manasquan River, Shark River. Ocean: Barnegat Bay. 
. punctata, W.Sm. (Orthosira.) 
Fresh water. Monmouth: Occasional in a brook emptying 
into the south side of Shark River. 
. Suleata (Ehrb.), Kiitz. 
Marine. Common in marine mud. Monmouth: Manasquan 
River, Shark River; fossil in Ocean Beach clay. Atlantic: 
Atlantic City. Cape May: Cape May and Dennis Creek. 
. varians, Ag. 
Fresh water. Very common in brooks and ponds. 
PODOSIRA. 
. compressa, West. (Druridgia geminata, Donkin.) 
Marine. Monmouth: Occasional in mud at the mouth of 
Shark River. 
. hormoides, Mont. 
Marine. Generally distributed along the coast—Lewis. 
. maculata, W. Sm. 
Marine. Rare in Delaware River mud—Lewis. 
The names which the last three species should bear under 
Melosira are uncertain. 
BIDDULPHIE. 
BIDDULPHIA, Gray. 
. aurita (Lyngb.), Breb. 
Marine. Occasional in marine mud.. Monmouth: Shark 
River, Manasquan River, and Shrewsbury River; fossil in 
Ocean Beach clay. Atlantic: Atlantic City. 
