Myxopliyceoe, Spirullneai, Splrulina. 215 



Hedwigia II, p. 01, t. XII, f. I, 1863, Rab. Alg. exs. n. 14431 Fl. 

 Eur. Alg. II, p. 92, Sp. tenuissima f. b Rab. Fl. Eiir. Alg. I. c. — 

 Trichomatibus pallide aeruginosis, in stratum saturate furugineum 

 aut a^rugineo-lutescens agglomeratis vel etiam sparsis, ambitu irre- 

 gulariter tortuosis, rarissime rectis, in spiram densam, subirregu- 

 larem, passim laxam aut regularem, diam. 3-5 [t. roquantem con- 

 tortis, 1-2 (x. crassis; anfractubus contiguis vel subcontiguis. 



Hah. aquas salsas vel subsalsas et dulces Daniae ad Hafniam 

 (Oersted, Clausen), ins. Fionii.e (Lyngbye) et passim (Rosenvinge, 

 Warming, Poulsen, Hofman-Bang, Schmidt); in aquarlo ad «Karls- 

 krona» Suecise (Gosselmann) ; ad litora Norvegiae (Foslie, Gran), 

 Caledonia^ (Dickie), Anglia? (Batters, Greville, Gray, Harvey, 

 Hennedy, Cutler, Holmes, Roy, West), Hiberniffi (West), ins. 

 Faeroonsium (Boergesen), Neerlandia3 (Van der Bosch), Germania3 

 septentrionalis ad Kiel prope ripam necnon in mari profundo (Rein- 

 bold); in Gallia ad Cherbourg (Thuret), Brest (Crouan), Roscoff 

 (Chalon), Arcachon ( Lespinasse ) , Marseille (Thuret), Antibes 

 (Flahault^; in Hispania (Lazaro), Helvetia ad lacum «Katzensee» 

 dictum (Cramer); in Polonia (Raciborski) ; in thermis Carolinis 

 BohemicTe (Cohn); prope « Belluno » Italia^ (E. De Toni); in mari 

 Adriatico (Hauck), in Dahnatia (Hansgirg), Istria (Kuetzing); in 

 Numidia (Belloc, Debray), in lacu Rukwa Afr. tropici^ (Fulleborn), 

 India (Turner), Asia centrali (Holderer), America septentrionali 

 (WoLLE, Farlow, Collins, Bessey, West, Mobse, Martindale, 

 Tilden, Pike), Australia (Askenasy), ins. Kerguelensibus (Exped. 

 Gazelle), Groenlandia (Rosenvinge) ; in Mastophora pygmrea 

 insuhe Formosse oc. Pacifici (Heydrich). — Var. oceanica (Crouan) 

 Gomont Monogr. 1. c, Gardn. in C. U. et S. Phyc. Bor. Am. n. 954, 

 Oscillaria oceanica Crouan Alg. du Finist. n. 3241, Spirulina 

 oceanica Crouan Mem. Soc. Sc. Nat. de Cherb. II, p. 39, 1854, Fl. 

 du Finist. p. 112, Rab. Fl. Eur. Alg. III, p. 419: trichomatibus 

 ambitu subrectis, in spiram regularem contortis, 1 jx. crassis. Ad 

 litora GallisB (Crouan) et prope ins. Widbey Amer bor. (Gardner). 

 17. Spirulina labyrinthiformis (Menegh.) Gom. Monogr. p. 255, Levi BGG 

 Phyc. Ital. n. 200!, Oscillaria labyrintkiformis Menegh. Consp. 

 Alg. Eug. p. 9, 1837. — Strato sordide vel nigro-virescenti ; tri- 

 chomatibus pallide viridibus, ambitu subrectis, fragilibus, in spiram 

 densam, eximie regularem, diam. 2-2,7 (x. contortis, 1 jx. crassis; 

 anfractubus contiguis. 



Ilah. aquas subsalsas ad Chcrbourg Gallia^ (Thuret, Debrav), 



