GEOGRAPHICAL LIST OF SPECIES. 



Class PHYCOCHROMOPHYCE^. 



Order CYSTIPHOR^. 

 Family CHROOCOCCACE^. 

 Chroococcus 



refractus, Wood. Hub. near Philadelpliia. 



multicoloratus, Wood Sab. near Philadelphia, 



thermophilus, Wood. Hab. Benton Springs, Owen 



Co., California. 



Gloeocapsa 



sparsa. Wood. 



Caelosphaeiium 



dubiam, Griin. 



Merismopedia 



nova, Wood. 

 convoluta, Breh. 



Hah. near Philadelphia. 



Hab. near Philadelphia. 



Hab. Spring Mills, Montgomery 



Co., Pa. 



Order NBMATOGENE^. 



Family OSCILLARIACE^. 

 Osclllaria 



chlorina, Ktz. Hab. near Philadelphia, 



corinm, Ag. Hab. New York, 



deoorticans, Gener. Hab. Northern U. States. 



Frohlichii, Klz. Hab. Schuylkill River, near 



Philadelphia. 



imperator, Wood. Hab. near Philadelphia, 



limosa, Ac/. Hab. near Camden, New Jersey, 



musoorum, Ag. Hab. West Point, New York, 



negleota. Wood. Hub. near Philadelphia, 



nigra, Vauch. Hab. New York ; Philadelphia, 



tenuis, Ag. Hab. Rhode Island; New' York; 



Virginia, 

 tenuissima, Ag. Hab. Warm Springs of Washita. 



Chthonoblastus 

 repens, Ktz. 



Lyngbya 



bioolor, Wood. 



muralis, Ag. 



Hab. New York ; Massachusetts ; 

 Rhode Island. 



Hab. Schuylkill River, near Phila- 

 delphia. 



Hab. Whale Fish Islands, Davis 

 Straits, British America. 



Family NOSTOCHACE^. 



Sub-Family NosiocEiE. 

 Nostoc 



Austinii, Wood. Hab. New Jersey, 



alpinum, jK^(z. flo6. Alleghany Mountains ; Clover 

 Mts., Nevada; Baffin's Bay, British America, 

 caloicola, Ag. Hab. Catoosa Springs, Georgia, 



oalidarium, Wood. Hab. Benton Springs, Owen 



Co., California, 

 cseruleum, Lt/n. Hab. New Jersey. 



Cesatii, Bah. Hab. Kansas, 



comminutum, Klz. Hab. near Philadelphia, 



commune, Vauch. Hab. New Jersey ; Rio Bravo, 



depressum, Wood. » Hab. New Jersey, 



puuctatum, Wood. ' Hab. New Jersey, 



pruniforme, AgK. Hah. New 'Jersey, 



verruoosum, Vauch. Hab. Maine, 



sphaericum, Vauch. //a6. Centre Co., Pennsylvania. 



Sub-Family Spekmosike^. 

 Anabaena 



gelatinosa, Wood. Hab. near Philadelphia, 



gigantea, Wood. Hab. near Philadelphia. 



flos-aqusB, Klz. Hab. Round Pond, West Point, 



New York. 



Cylindrospermum 



oomatum. Wood. 

 flexuosum. Rah. 

 maorospermum, Ktz. 

 minutum. Wood. 



Hab. Niagara, Canada. 



Hab. near Philadelphia. 



Hab. South Carolina. 



Hab. near Philadelphia. 



Dollchospermum 



polyspermum, Klz. Hab. near Philadelphia. 



subrigidum, Wood. 



Hah. New Jersey. 



Family RIVULARIACE.S. 

 Nostochopsis 



lobatus. Wood. Hah. Schuylkill River, near Phila- 

 delphia. 



Glolotrlchla 



angulosa, Rolh. Eah. Hudson River, near West 



Point. 



(229 ) 



