Myxophyceae 123 



Plant mass not covered with water; filaments decumbent and entangled 

 at the base, above forming erect, densely coalesced fascicles. 



Massachusetts. On a muddy shore near high water mark. Mattapoisett. 

 September 1902. (Collins). 



Forma ferruginea Gomont. Monogr. Oscill. 150. 1893. De Toni. 1. c. 

 5: 265. 1907. 



Harvey. Nereis Boreali-Americana. Part III. 102. pi. 47 B. 1858. (L. 

 ferruginea Ag.). Kemp. A classified List of Marine Algae from the 

 Lower St. Lawrence. Can. Nat. and Geol. 5: 30. i860. Farlow. List Marine 

 Algae U. S. Proc. Am. Acad. Arts Sci. 10: 380. 1675. 



Plant mass dark brown; sheaths thick, lamellose, more or less intensely 

 yellowish-brown. 



Canada. On top of rocks near low water mark. Lower St. Lawrence. 

 (Kemp). New York. On muddy shores, in tide pools and floating in 

 ditches of salt or brackish water near the sea. Harlem River, close to the 

 High Bridge. (Harvey). Salt ditches at Hoboken and near Greenport. (Bai- 

 ley). Greenport, Long Island. (Farlow). 



Forma aeruginosa (Ag.) Wolle in Wittrock and Nordstedt. Algae Aq. 

 Dulc. Exsicc. no. 282. 1879. Gomont. 1. c. 150. 1893. De Toni. 1. c. 265. 



Tilden. American Al'gae. Cent. VI. no. 586. 1902. Collins, Holden and 

 Setchell. Phyc. Bor.-Am. Fasc. 19. no. 902. 1902. 



Plant mass dark blue-green; sheaths somewhat thin, colorless. 



Nev? Jersey. On ground or in brackish ditches. August 1878. (Wolle). 

 Washington. Floating in a salt water pond. West coast of Whidbey Island. 

 June 1900. (Gardner). Hawaii. In shallow water of taro patch forming 

 s bright blue-green continuous layer. Near Hauula Court House, Makao, 

 Koolauloa, Oahu. June 1900. (Tilden). 



235- Lyngbya majuscula (Dillwyn) Harvey in Hooker. English Flora. 5: 

 part I. 370. 1833. Gomont. Monogr. Oscill. 151. pi. 3. f. 3, 4. 1893. 

 De Toni. Syll. Algar. 268. 1907. 

 Harvey. Nereis Boreali-Americana. Part III. loi. pi. 47 A. 1858. Maze 

 and Schramm. Essai Class. Algues Guadeloupe. 15, 22, 23, 24, 25. 1870-1877. 

 (Also O. corallicola Crouan, L. 1 u t e o-f u s c a Crouan, L. showiana 

 Crouan, L. rigidissima Crouan. Farlow. List Marine Algae U. S. 



Proc. Am. Acad. Arts Sci. 10: 380. 1875. Hall. List of the Marine Algae 

 growing in Long Island Sound. Bull. Torr. Bot. Club. 6: 112. 1876. Dickie. 

 Supplemental Notes on Algae collected by H. N. Moseley, M. A., of H. 

 M. S. Challenger, from various Localities. Journ. Linn. Soc. Bot. 15: 489. 

 1S77. Farlow. Marine Algae of New England. 34. pi. i. f. 4- 1881. Pike. 

 Check List of Marine Algae. Bull. Torr. Bot. Club. 13: 105. 1886. Hay 

 and Mackay. List of the Marine Algae of the Maritime Provinces of Canada, 

 with Notes. Trans. Roy. Soc. Can. 5: 1887. Moebius. Ueber einige in 

 Portorico gesammelte Siisswasser- und Luft-Algen. Hedwigia. 27: 246. 

 1888. Hauck. Meeresalgen von Puerto-Rico. Bot. Jahrb. 9: 470. 1888. 

 Bennett. Plants of Rhode Island. 95- 1888. Collins. Algae from Atlantic 

 City, N. J. Bull. Torr. Bot. Club. 15: 310. 1888. Murray. Catalogue of 

 the Marine Algae of the West Indian Region. Journ. of Bot. 27: 261. 



