Myxophycese, Schizotriclieae, Hydrocoleus, 317 



stralite (Harvey) et Novoe Caledoniae (Grunow^), ins. Mauritii 

 (Jadin), Australiie occidentalis prope ins. « Dick Hartofj; » (Exped. 

 Gazelle). 

 3. Hydrocoleus lyngbyaceus Kuetz. Sp. Alg. p. 259, Tab. Phyc. I, '^"'^ 

 p. 37, t. 51, f. 1, Holm. et Batt. Rev. List of Brit. mar. Alg. 

 p. 69, Gomont in Journ. de Bot. IV, p. 353, Monogr. p. 337, 

 t. Xn, f. 8-10, Johs. Schmidt Cyan. Dan. p. 50 c. ic, Lagerli. 

 in W. et N. Alg. exs. n. 1155! Setch. et Coll. in Coll. Hold. et 

 Setch. Phyc. B. Am. n. 2041 2051 Lynghya olivacea Zanard. in 

 Bibl. ital. Tom. 96, p. 135, Syn. Alg. in m. Adriatico hucusque 

 cognitarum p. 46, non Hansg. nec Dickie, Phormidium TJuno- 

 derma Kuetz, Phyc. gener. p. 193, Sp. Alg. p. 256, Tab. Phyc. I, 

 p. 34, t. 47, f. VII, Oscillatoria arenaria Ag. Syst. p. 65? Phor- 

 midium arenarium Rab. Fl. Eur. Alg. II, p. 126, Lynghya are- 

 naria Hansg. Prodr. II, p. 101 c. ic, Oscillaria littoralis Desm. 

 Crypt, de France ser. II, n. 538, Crouan Alg. du Finist. n. 325! Fl. 

 du Finistere p. 113, Rab. Fl. Eur. Alg. II, p. 108, syn. excl, non 

 Harvey, Phorm. Kuetzingianwn Le Jol. Alg. mar. de Cherb. p. 27, 

 Lynghya Kuetzingiana Thur. Ess, p. 8 nec Kirchn. Alg, Schles., 

 Lynghya coactilis Zanard. Phyc. Ind. pugillus p. 31, t. IX B, Mi- 

 C7^ocoleas lynghyaceus Thur. in Ann. des Sc. Nat. VI, ser. bot, I, 

 p. 379, Born, et Thur. Notes Algologiques fasc. I, p. 5, t. II, 

 Hauck Meeresalg. p. 509, f. 226, Hansg. Prodr. II, p. 75, Lynghya 

 arenarium (Kg.) Wolle (sic!) in Freshw. Alg. of U. S. p. 299, 

 t. CCI, f. 27-29, Microcoleus nigrescens Ardiss. in Erb. Critt. 

 ital. II, n. 1250! Batters in Berwickshire Natur. Club Trans. 

 p. 18, Phormidium versicolor Kuetz, Diagn. u. Bemerk. etc. p. 7 

 (1863) nec alibi nec aliorum. — Ctespitibus nigro-viridibus vel 

 strato mucoso late expanso; filis adnatis, basi simplicibus, superne 

 pseudoramosis; pseudoramis numerosis, subadpressis ; vaginis am- 

 plis, mucosis, ambitu erosis, ad apicem acuminatis, aut saepius 

 apertis, interdum omnino diffluentibus et agglutinatis; trichoma- 

 tibus luteo-viridibus, ad basim filorum numerosis et spiraliter 

 implicato contortis; in ramulis solitariis ad genicula non con- 

 strictis, 8-16 (plerumque 9-11) [j,. crassis; articulis diam. tricho- 

 matis 3-6-plo brevioribus, 2,5-4,5 [x. longis; dissepimentis gra- 

 nulatis; apice trichomatis attenuato, truncato. 



Hah. Cladostepho verticillato variisque plantis marinis 

 limove adfixus ad littora oceani Germanici (Hauck), Danife (Hofman 

 Bang, Rosenvinge, Poulsen;, Scaniie (Nordstedt, Wittrock), An- 



