Myxophyceae 113 



Maine. In salt water pools. Ragged Island, near Cape Elizabeth. (Col- 

 lins). West Indies. On bed of stream in crater of Grande Soufriere, 

 Dominica. Bay Estate, Barbados. (Howard). Hawaii. (Volz). 



2ig. Lyngbya distincta (Nordstedt) Schmidle. Algologische Notizen. IV. 

 Allg. Bot. Zeit. 3: 58. 1897. De Toni. Syll. Algar. 5: 281. 1907. 



Nordstedt. De Algis Aquae Dulcis et de Characeis ex Insulis Sand- 

 vicensibus a Sv. Berggren 1875 reportatis. 4. 1878. (L. martensiana 

 distincta Nordstedt). Lemmermann. Algenfl. Sandwich. -Inseln. Bot. 

 Jahrb. 34: 620. 1905. (L. k ii t z in gi i distincta (Nordst.) Lemm.). 



Filaments 1.8 mic. in diameter, at first attached, afterwards free; short, 

 straight or slightly curved; sheaths very thin, hyaline; apex of trichome 

 not tapering, open; cells about equal to the diameter in length; cell con- 

 tents delicately granular, blue-green. 



Hawaii. Among filaments of Pithophora affinis. Hilo, Island 

 of Hawaii. (Berggren). In ditches between Honolulu and Waikiki, Oahu. 

 (Schauinsland). (Volz). Freshwater ditches, Punaluu, Hawaii. (Lauterbach). 



220. Lyngbya ochracea (Kuetzing) Thuret. Essai Class. Nostochinees. Ann. 

 Sci. Nat. Bot. VI. i: 279. 1875. Gomont. Monogr. Oscill. 169. 1893. 

 De Toni. Syll. Algar. 5: 283. 1907. 

 Collins. Algae of Middlesex County, 14. 1888. Wittrock and Nord- 

 stedt. Algae Aq. Dulc. no. 1169. 1893. Saunders. Protophyta-Phycophyta. 

 Flora of Nebraska. 22. pi. 2. f. 20. 1894. Tilden. American Algae. Cent. 

 I. no. 68. 1894; List of Fresh-Water Algae collected in Minnesota during 

 1894. Minn. Bot. Studies, i: 235. 1895. Collins, Holden and Setchell. Phyc. 

 Bor.-Am. Ease. i. no. 4. 1895. Collins. Algae. Flora of the Blue Hills, 

 Middlesex Fells, Stony Brook and Beaver Brook Reservations of the Metro- 

 politan Park Commission, Massachusetts. 127. 1896. Tilden. American 

 Algae. Cent. VI. no. 588. 1902. Setchell and Gardner. Algae of North- 

 western America. Univ. Calif. Pub. Bot. i: 187. 1903. Collins. Phycolog- 

 ical Notes of the late Isaac Holden. — II. Rhodora. 7: 236. 1905. Brown. 

 Algal Periodicity in certain Ponds and Streams. Bull. Torr.. Bot. Club. 

 35: 247. 1908. Buchanan. Notes on the Algae of Iowa. Proc. Iowa 

 Acad. Sci. 14: 13. 1908. 



Plate V. fig. 25, 26. 



Plant mass yellowish or ochre-yellow in color; -filaments very slender, 

 more or less curved, fragile; sheaths at first thin, colorless, later becom- 

 ing thicker and yellowish; trichomes .9 mic. in diameter, especially con- 

 stricted at joints; frequently interrupted; apical cell rotund; calyptra none; 

 cells .6-.8 mic. in length; transverse walls not granulated. 



Canada. Hanging in a thick, jelly-like, very fragile mass, from perpen- 

 dicular bank of creek. Providence Cove, near Minnesota Seaside Station, 

 Port Renfrew, Vancouver Island, British Columbia. July 1901. (Leavitt). 

 Massachusetts. Cambridge. (Farlow). On stonework of dam. Saugus. June 

 1890; Cascade, Middlesex Fells; on rocks in stream, Beaver Brook. (Collins). 

 Connecticut. Stream below paper mill; Factory Pond; outlet of Parrott's 

 Pond, October, November; buoyed up in nebulous masses in quiet waters. 



