232 



GEOGRAPHICAL LIST 0¥ SPECIES. 



Sphaerozosma 



excavatum, Ralfs. 



pulchrr'Tn, Bailey. 

 serratuna, Bailey. 



Hyalotheca 



disilliens, Smith. 



mucosa, Mert. 



Hab. Rhode Island ; South 



Carolina ; Georgia ; Florida. 



Sab. New York ; New Jersey. 



Mab. South Carolina ; Georgia ; 

 Florida. 



Bab. Rhode Island; Pennsyl- 

 vania ; South Carolina ; Florida. 

 Hab. Rhode Island. 



Desmidinm 



aptogonlum, Br^b. Hab. South Carolina ; Georgia, 

 quadrangulatum, Ktz. Hab. South Carolina. 



Swartzii, Ag. Bab. Atlantic States. 



Aptogonium 



Baileyi, Balfs. 



Cosmarium 



amoeuum, Br^b. 

 bioculatum, Brib. 

 Botrytis, Bory. 

 Brebissonii, Men, 



Broomei, Thw. 

 caelatum, Ralfs. 



commissurale, Br^b. 



connatum, Br4b. 

 crenatum, Ralfs. 

 cucumis, Corda. 



depressum, Bailey. 

 margaritiferum, Turp. 



Meneghenli, Br^b. 

 ornatum, Ralfs. 

 ovale, Ralfs. 

 pyramldatum, Br^b 



Quimbyii, Wood. 

 sublobatum, Br^b. 



Buborbiculare, Wood. 



tetropthalmum, Ktz. 

 Thwatesii, Ralfs. 

 nndulatum, Corda. 



Xjuastriiin 



affine, Ralfs. 

 ampullaceum, Ralfs. 



Bab. Rhode Island ; New Jersey. 



Bab. Florida ; Rhode Island. 

 Bab. Rhode Island. 

 Bab. Pennsylvania. 



Hab. White Mountains, New 



Hampshire. 

 Bab. Pennsylvania ; Georgia. 

 Hab. near Albany, New York : 

 South Carolina. 

 Bab, White Mountains, New 

 Hampshire. 

 Bab. Florida. 

 Bab. Rhode Island. 

 Bab. New Hampshire ; Pennsyl- 

 vania ; South Carolina ; 

 Georgia; Florida. 



Bab. Florida. 

 Bab. Pennsylvania ; South 

 Carolina ; Florida ; Mexico. 

 Bab. Pennsylvania. 

 Bab. Rhode Island. 

 Hab. Pennsylvania. 

 Bab. Pennsylvania ; Georgia ; 

 Florida. 

 Hab. near Philadelphia. 

 Bab. Rhode Island ; Georgia ; 

 Florida. 

 Hab. Lake Saco, New Hamp- 

 shire. 

 Bab. New Jersey. 

 Bab. Florida. 

 Hab. Rhode Island ; South 

 Carolina. 



Bab. South Carolina ; Georgia. 

 Bab. South Carolina ; Florida. 



Euastram. 



binale, Turp. 



Hab. Florida ; Pennsylvania ; Rhode 

 Island. 

 Hab. Rhode Island. 

 Hab. United States. 

 Bab. South Carolina ; Georgia ; 

 Pennsylvania ; Rhode Island. 

 Hab. United States. 

 Hab. Rhode Island. 

 Hab. Florida ; Rhode Island. 

 Hab. Saco Lake, New Hamp- 

 shire, 

 oblongum, Greville. Hab. Rhode Island, 



ornatum, Wood. Hab. Saco Lake, New Hampshire. 

 Ralfsii, Rabenh. Hab. South Carolina ; New Hamp- 

 shire ; Rhode Island, 

 verrucosum, Ehr. Hab. Rhode Island; South 



Carolina ; Georgia ; Florida. 



circulare, Hassal. 

 crassum, Brib, 

 Didelta, Turp. 



elegans, Br^b. 

 gemmatum, Brib. 

 insigne, Ralfs. 

 multilobatum, Wood. 



Micrasteiiaa 



Americana, Elirb. 

 arcuata, Bailey. 

 Baileyi, Ralfs. 



denticulata, Breb. 

 disputata, Wood. 

 expansa, Bailey. 

 flmbriataj Ralfs. 

 foliacea, Bailey. 

 fnrcata, Ag. 

 granulata. Wood. 

 Jenneri, Ralfs. 

 oscitans, Ralfs. 

 papillifera, Br^b. 

 pinnatifida, Ktz. 

 quadrata, Bailey. 

 radiosa, Ag. 

 ringens, Bailey. 

 Torreyi, Bailey. 

 trunoata, Corda, 



Staurastrum 



altemans, Br^b. 



Sab. Florida ; South Carolina. 



Hab. Florida. 



Hab. New York ; Rhode Island ; 



South Carolina ; Florida. 



Hab, Pennsylvania ; Florida. 



Sab. Atlantic States. 



Hab. Florida. 



Sab. South Carolina ; Florida. 



^aft.Worden's Pond, Rhode Island. 



Hab. Atlantic States. 



Sab. South Carolina. 



Hab. near Philadelphia. 



Sab. Florida ; Rhode Island. 



Sab. Florida ; Rhode Island. 



Hab. 



Sab. Florida. 



Sab. Florida. 



Sab. Florida. 



Sab. near Princeton, New Jersey. 



Sab, Atlantic States. 



Sab. Georgia ; Florida ; Rhode 

 Island, 

 arachne, Ralfs. Sab. Saco Lake, New Hampshire. 

 aristifeium, Ralfs. Sab. Georgia ; Rhode Island. 

 Cerberus, Bailey, Sab. 'Florida, 



crenatum, Bailey, Sab. Rhode Island, 



oyrtocerum, var., Br^b. Sab, Florida, 



dejectum, Br^b, Sab. New York ; South Caro- 



lina, 

 dilatatum, Ehb. Hab. Southern Atlantic States. 

 eustephanum, Ralfs. Sab. West Point, New York, 

 fnrolgerura, Br^b. Sab. South Carolina ; Florda ; 



Rhode Island. 



