68 Minnesota Algae 



Massachusetts. (Collins). 



13s. Oscillatoria anguina Bory. Diet, class, d'hist. nat. 12: 467. 1827. 



Gomont. Monogr. Oscill. 234. pi. 6. f. 16. 1893. De Toni. Syll. 



Algar. S: IS9- I907- 



Tilden. American Algae. Cent. I. no. 74. 1894; List of Fresh-water 



Algae collected in Minnesota during 1894. Minn. Bot. Studies. l: 235. 1895. 



Collins. The Algae of Jamaica. Proc. Am. Acad. Arts Sci. 37: 239. 1901. 



Collins, Holden and Setchell. Phyc. Bor.-Am. Fasc. 22. no. 1052. 1903. 



Plate IV. fig. 9. 



Plant mass dark blue-green; trichomes 6-8 mic. in diameter, not con- 

 stricted at joints, frequently interrupted by inflated and refringent cells, 

 straight below, above terebriform, gradually tapering; apex of trichome 

 capitate, obtuse; outer wall of apical cell slightly thickened; cells 1.5-2.5 

 mic. in length; transverse walls sometimes granulated. 



Minnesota. On moist earth. State Fish Hatcheries, St. Paul, August 

 1894; in stream formed by springs. Second Creek, Lake City, Wabasha 

 County. September 1894. (Tilden). California. Floating among Char a 

 in a small stream. Near Richmond, Contra Costa County. November 1902. 

 (Gardner). West Indies. In still water. Roaring River, near St. Ann's 

 Bay, Jamaica. March 1893. (Humphrey). 



136. Oscillatoria bonnemaisonii Crouan in Desmazieres. PI. Crypt. 



France. II. no. 537. 1858. Gomont. Monogr. Oscill. 235. pi. 6. f. 

 17, 18. 1893. De Toni. Syll. Algar. 5: 159. 1907. 

 WoUe. Fresh Water Algae. II. Bull. Torr. Bot. Club. 6: 138. 1877; 

 Fresh-Water Algae. U. S. 316. pi. 207. f. 16, 17. 1887. West, W. Jun. 

 Some Oscillarioideae from the Plankton. Journ. of Bot. 37: 337. 1899. 

 Setchell and Gardner. Algae of Northwestern America. Univ. Calif. Pub. 

 Bot. i: 183. 1903. Lemmermann. Algenfl. Sandwich-Inseln. Bot. Jahrb. 

 34: 618. 1905. Tilden. American Algae. Cent. VII. Fasc. i. no. 647. 1909. 



Plate IV. fig. 10. 



Trichomes 18-36 mic. in diameter, forming loose and regular spirals, 

 elongate, flexible, somewhat constricted at joints; apex of trichome neither 

 tapering nor capitate; apical cell with convex outer wall, not capitate; 

 calyptra none; cells 3-6 mic. in length; transverse walls not granulated; cell 

 contents finely granular, uniformly strewn with larger granules. 



Pennsylvania. Wet soil, recently inundated. (Wolle). Washington. 

 In salt marshes. Whidbey Island. (Gardner). West Indies. In plankton. 

 (Murray and Blackman). Hawaii. On marine algae. Laysan. 1896-97. 

 (Schauinsland). Mixed with other algae, floating in lagoon on beach. 

 Seaconnot, near Hilo, Island of Hawaii. July 1900. (Tilden). 



137. Oscillatoria miniata Hauck. Die Meeresalgen Deutschlands und 



Oesterreichs. 508. 1885. Gomont. Monogr. Oscill. 236. 1893. De 

 Toni. Syll. Algar. 5: 160. 1907. 



Maze and Schramm. Essai Class. Algues Guadeloupe. 16. 1870-1877. 

 Murray. Catalogue of the Marine Algae of the West Indian Region. Journ. 



