230 



GEOGRAPniCAL LIST OF SPECIES. 



Gloiotrichla 



incrustata, Wood' 



Rivularla 



cartilagiuea, WooJ. 



Zonotrlcbla 



miiiutula, Wood. 



Hab. Schuylkill River near 

 Philadelphia. 



Hah. Northern Michigan. 



Ilab. Clear Pond, Adirondack 

 Mountains. 



mollis, Wood. Hah. Cave of the Winds, Niagara. 



parcezonata. Wood. Hab. Cave of the Winds, 



Niagara. 



Dasyactls 



mollis, Wood. Hab. Cass River, Northern Michigan. 



Mastlgonema 



elongatum, Wood. Hab. Philadelphia, 



fertile. Wood. Hab. Alleghany Mountains, Centre 



Co., Pennsylvania, 

 halos. Wood. Hab. Stonington, Connecticut, 



sejunctum. Wood. Hab. Cass River, Northern 



Michigan. 



Mastlgothrlx 



fibrosa. Wood. 



Hab. near Philadelphia. 



Family SCYTONEMACE.E. 

 Scytonema 



Austinii, Wood. Hab. Little Falls, New Jersey, 



calotrichoides, Klz. Hab. South Carolina, 



cataracta. Wood. Hab. Niagara River, Niagara, 



cortex, Wood. Hab. South Carolina, 



dubium, Wood. Hab. Cumberland Co., New Jersey, 

 immersum, Wood. Hab. Cumberland Co., New 



Jersey. 

 Myochrous, Ay. Hab. West of Crow's Neck, West 



Point. 



Naegelii, Klz. Hab. near Bellefonte, Centre Co., 



Pennsylvania. 

 Ravenellii, Wood. Hab. South Carolina, 



simplioe. Wood. Hab. Aiken, South Carolina. 



Ihermale. Hab. South Carolina. 



Tolypothrlx 



distorta, Mul. 



Hab. near Philadelphia ; West 

 Point, N. Y.; Rhode Island ; 

 Madison, Wisconsin. 



Siroslpbon 



guttula. Wood. Hab. South Carolina, 



lignicola. Wood, Hab. South Carolina, 



neglectus, Wood. Hab. New Jersey, 

 pellucidulus. Wood. Hab. near Hiberuia, Florida, 



pulvinatus. Hab. Northern Now .Jersey, 



scytenematoides, Wood. Hab. South Carolina. 



Stlgonema 



Ravenellii, Berkeley. Hab. Lookout Mountains, 



Georgia. 



Class CHLOROPHYLLACEiE. 

 Order COCCOPHYCE^ 

 Family PALMELLACEiE. 

 Pleurococcus 



pulvereus. Wood. 



seriatus, Wood. 



Falmella 



dura, Wood. 

 hyalina, Lyn. 



Jesenii, Wood. 



Pagerogalla 



stellio. Wood. 



Hab. Boiling Springs, near Belle- 

 fonte, Centre Co., Pennsylvania. 

 Hab. New Jersey. 



Hab. near Philadelphia. 



Hab. From Rhode Island to 

 Wisconsin. 



Hah. near Philadelphia. 



Hab. Bear Meadows, Alleghany 

 Mountains, Centre Co., Penn- 

 sylvania. 



Tetraspora 



bullosa. Roth. 

 gelatinosa, Roth. 



lubrica. Roth. 



Dlctyosphaerium 



pulchellum, Il'oorf. 



Rhaphidium 



falcatum. 

 polymorphum. Ft. 



Hab. Salem, North Carolina. 



Hab. Salem, North Carolina; 



Newburgh, New York. 



Hab. Northern Atlantic States. 



Hab. near Philadelphia. 



Bab. near Philadelphia. 

 Hab. near Philadelphia. 



Family SIROSIPHONACE.S:. 

 Siroslpbon 



acervatus. Wood. Hab. South Carolina, 



argillaceus, Wood. Hah. South Carolina, 



compactus, .ly. /7a6. Salem, Massachusetts ; New 



Jersey. 

 Crameri, Br. Hab. Mount Tahawus, Adirondack 



Mountains, 



Family PROTOCOCCACEiE. 



Polyedrium 



enorme, Ral/s. 



Hah. Florida. 



Sceaedesmus 



aculus, Meyen. Hab. Rhode Island ; near Phila- 



delphia. 



obtusus, Meyen. Hab. Georgia ; Rhode Island. 



polymorphus, Wood. Hab. near Philadelphia- 



quadricauda, Turp. Hab. Rhode Island ; Penn- 



sylvania. 



rotundatus. Wood. Hab. near Thiladelphia. 



