326 MyxophycesB, Schizotrichese, Hypheothrix. 



ad cin. diam. ajrugineo-nigro, vaginis ad 25 [j.. diam., transversim 

 striatis (striis circ. 4 pro 0,01 mm.); filis vagina inclusis ple- 

 rumque ternis, leviter continuis vel obsolete articulatis, diam. multo 

 brevioribus. 



Hah. «Pegu» Indiae, in rivulo vadoso prope «SangycTwa» di- 

 tionis « Rangoon » (Kxjrz). 



Speoies mihi plane ignota. 



28. Hydrocoleus major Martens Note on some javanese Algse (1870) ''97 

 p. 183 (H. 7najus) non Holden. 



Hab. in insula Java (Martens). 



Species delendse. 



29. Hydrocoleus phormidioides Rab. = H. homceotrichu^n Kuetz. 



30. — Brebissonii h aerugineum Rab. = Phormidium Joannia- 



num Kuetz. 



31. — calcilegus A. Br. = Schizothrix lateritia Gom. 



32. — fuscoluteus Rab. = Dichothrix sp. 



33. — lacustris A. Br. = Schizothrix lacustris Kuetz. 



34. — lacustris b chalybeus A. Br. = Schizothrix Braunii Gom. 



35. — platensis Nordst. = Sirocoleus gicyanensis Kuetz. 

 3(3. — tinctorius A. Br. = Schizothrix tinctoria Gom. 

 37. — verslcolor Rab. = Schizothrix Muelleri Naeg. 



HYPHEOTHRIX Kuetz. [1843], Phyc. gener. p. 229 p. p. Sp. Alg. 

 p. 266 (Etym. hyphaino contexo et ihrix capillus, pilus), Lepto- 

 t?nchis, Schizotrichis, Lynghya^, Oscillatorim, Hydrocolei, No- 

 stocis, Phormidii, Leibleinim, Calotrichis, Leptomiti sp. Auct. 

 — Fila prostrata, pluricellularia, subtilia, singula vel raro plurima 

 intra vaginam achroam inclusa; cellula apicalis membranam non 

 incrassatam priBbens; filamenta simplicia vel consociata, singula 

 vel in stratum densum cuticulare aggregata; vaginse inter se di- 

 stincta3, hyaliuLe. 



Obs. Species in aqua dulci, limo affixai vel rupes et saxa sub- 

 mersa investientes vel in terra uda crescentes. Genus hoc valde 

 collectictium amplectitur formas nonnullas haud bene definitas, 

 partim Schizotrichis species sistentes, partim immo Bacteriaceis 

 adscribendas. 



