366 Myxophycese, Schi/otricbese, Sohizothrix. 



pseudoramosis, in funiculos contortis; vaginis obscure chalybeis, 

 firmis, ambitu leviter irregularibus, haud fimbriatis, apice longis- 

 sime attenuatis, apicem versus chlorozincico jodurato cserulescenti- 

 bus; trichomatibus dilute aerugineis, intra vaginam paucis, distauti- 

 bus, parallelis, s?epe solitariis, ad genicula constrictis, 1,7 {j- crassis; 

 articulis diam. trichomatis longioribus, 2-5 [j.. longis; dissepimentis 

 granulatis; cellula apicali attenuata, obtusa. 



Hab. ad hipides submersos lacuum Tilisee et Feldsee Germauite 

 (A. Braun); in Algeria (Debray) et dit. Alaskana (Setchell et 

 Jepson). 



Species minus cognitse. 



17. Schizothrix Schiedermeyeri Grun. in Rab. Fl. Eur. Alg. II, p. 270. 900 

 — Strato crustaceo, tenui, obscure fusco-viridi ; trichomatibus 2,2- 



5,5 [X. crassis, distincte articulatis; articulis granulosis, diametro 

 tequalibus vel paulo brevioribus; vaginis longissime cuspidatis, 

 trichoma longe superantibus, achrois, levibus, nonnunquam stratis 

 externis passim in fibrillas discedentibus vel longitudinaliter 

 striatis, 10-15 [jl. crassis. 



Hah. m lignis fabrefactis ad « Michldorf » Austria; superioris 

 (Sohiedermayr); in rupibus humidis ad «Bozen» (Hausmann). 



18. Schizothrix furcata Rabenh. Fl. Eur. Alg. II, p. 269, Microcoleus 901 

 farcatus Hansg. Prodr. II, p. 79. — Strato crustaceo, sordide leru- 

 gineo, ssepe dealbato et indurato; trichomatibus apice furcato-pseudo- 

 ramosis, erectis, leviter flexuoso-curvatis, internis dilute iierugineis, 

 tenuissimis ssepe longe interruptis, subnullis, passim distincte mo- 

 niliformibus; vaginis crassis, achrois, lamellosis, ad 10 [j.. crassis, 

 longissime cuspidatis, clausis, laevissimis, nisi stratis externis pas- 

 sim in fibrillas breves solutis; cellulis perdurantibus (?) minimis, 

 achrois lucidis, copiose interjectis. 



Hah. m thermis Carolinis Bohemite, Baden-Badensibus (Ra- 

 BENHORSTj. — Tdchomata modo vaginata et recta, modo monili- 

 formia et nuda, stratus lamellosus, sordide iErugineus faciem quan- 

 dam Hapalosiphonis laminosi forsan autem cum Phormidio la- 

 minoso et Bacieriaceis variis permixti in mentem revocant. 



19. Schizothrix Smithii (Thwaites) Kuetz. Sp. Alg. p. 321, Tab. Phyc. II, 902 

 p. 12, t. XL, f. III, Rab. Fl. Eur. Alg. II, p. 268, Coleonema 

 SmiUni Thw. in Rab. 1. c. — Strato expanso, rufo-fusro, nigre- 

 scente; trichomatibus internis dilute terugineis, subcontinuis, pseu- 



