124 Minnesota Algae 



(Also L. erosa Liebm., L. anguina Mont.). Martindale. Marine Al- 

 gae of the New Jersey Coast and Adjacent Waters of Staten Island. Mem. 

 Torr. Bot. Club, i: 90. 1889. Wolle and Martindale. Algae. Britton's 



Catalogue of Plants found in New Jersey. Geol. Surv. N. J. 2: 607. 1889. 

 Anderson. List of California Marine Algae, with Notes. Zoe. 2: 218. 1891. 

 Collins, Holden and Setchell. Phyc. Bor.-Am. Fasc. 5. no. 202. 1896. Col- 

 lins. Preliminary Lists of New England Plants. — V. Marine Algae. Rhodora. 

 2: 42. 1900. West and West. A Further Contribution to the Freshwater 

 Algae of the West Indies. Journ. Linn. Soc. Bot. 34: 288. 1898-1900. Col- 

 lins. The Algae of Jamaica. Proc. Am. Acad. Arts Sci. 37: 240. 1901. Til- 

 den. Collection of Algae from the Hawaiian Islands. Haw. Almanac and 

 Annual for 1902. 112. 1901; American Algae. Cent. V. no. 492. 1901. 

 Vickers. Liste des Algues Marines de la Barbade. Ann. Sci. Nat. Bot. VIII. 

 i: SS. 1905- 



Plate V. fig. 42. 



Plant mass up to 3 cm. in length, widely expanded, dark blue, dark 

 blue-green, brownish or yellowish green; filaments very long, often curled, 

 sometimes rolled in a circinate manner, rarely moderately fiexuous; sheaths 

 up to II mic. in thickness, colorless, later becoming very thick and rough- 

 ened on the outside; trichomes 16-60 mic. in diameter, not constricted at 

 joints; apex of trichome not tapering; apical cell' rotund; calyptra none; 

 cells 2-4 mic. in length; transverse walls not granulated; cell contents finely 

 granular, dull green, gray or lead-colored. 



Canada. Pictou Harbor. (Mackay). Floating tufts, attached to other 

 algae or to Zostera. Malpeque, Prince Edward Island. (Faull). New 

 Hampshire. (Collins). Massachusetts. Wood's Hole; during the later 

 summer months forming large tufts upon Zostera and various algae 

 and often found floating free. Cape Cod. (Farlow). Washed ashore in large 

 entangled masses. Wood's Hole. August 1894. (Setchell). Rhode Island. 

 Providence. (Olney). (Collins). Connecticut. (Hall). New York. Can- 

 arsie, College Point, Long Island. Summer. (Pike). Long Island Sound. 

 (Bailey). Peconic Bay. (Hooper). New Jersey. Newark Bay, Hudson 

 River. (Pike). On eel-grass. Atlantic City. (Morse). Cape May. (Martin- 

 dale). Florida. Key West. (Farlow, Harvey, Ashmead). California. On 

 Z o s t e r a. Southern coasts. (Anderson). Mexico. (Liebman). Bermu- 

 das. (Rein). In shallow water. (Dickie). West Indies. (Hohenhacker). 

 Guadeloupe. (Maze). Grenada. (Murray). In warm springs. Los Baiios, near 

 Coamo; in river near Cayey; in Caguitas River, near Caguas, Porto Rico. 

 i88s. (Sintenis). Forming a film on marine algae. Port Antonio, Jamaica. 

 July 1891 (Pease and Butler) and March 1803 (Humphrey). Forming ex- 

 tensive tufts on muddy bottom, near the mouth of a small stream. Man- 

 chioneal Bay, Jamaica. July 1900. (Pease and Butler). Shallow bays, Anguil- 

 la. (Elliott). Barbados. (Vickers). Hawaii. Epiphytic on other algae, at 

 low tide. Waianae, Oahu. May 1900. (Tilden). 



236. Lyngbya martensiana Meneghini. Conspectus Algologiae euganeae. 12. 

 1837. Gomont. Monogr. Oscill. 163. pi. 3. f. 17. 1893. De Toni. Syll. 

 Algar. S: 279. 1907. 

 Schramm and Maze. Essai Class. Algues Guadeloupe. 31. i86s. (L. 



