899 



c. roseo - purpurea (B. rosco-purpurea Ktz. 1. c), roseo-purpurea, 

 endoehromate dilute roseo. 



d. coccineo-purpurea (B. coccineo-purpurca Ktz. 1. c. Erb. N. 756.), 

 endochromate laeto coccineo. 



e. ferruginea (B. ferruginea Kcrn. in Rabenh. Alg. X. 1797.), 

 forma quam maxime evoluta, fructifera, ferrugineo - purpurea. 



f. anisogona (B. anisogona Menegh.), versicolor, cellularum endo- 

 chromate modo purpureo, modo violaceo vel viridi. 



Hab. in lignis fabrefactis aqua suffusis, inprimis ad rotas aquarias 

 molarum, in aquacductibus, cataractis Europae australis, in Gallia passim, 

 in Germania sat rara: prope Tiibingen (Dr. W. Steudel), Wiirzburg, 

 ad Coblenz (Loschke), in Austria super. : in rivulo „Krumme Steierling" 

 prope fabricam „Gestade" et in rivulo „Krems" prope Milchdorf (Dr. 

 Schiedermayr) ; in Moravia: in iapidibus rivulorum ad Blansko (Dr. 

 Kalmus). 



b. Species marinae. 



B. fusco-purpurea (Dillw.) Lyngb. (Hydr. p. 83. T. XXIV. F. C. 

 Ktz. 1. c. J. Ag. Alg. mar. mediterr. p. 14. X. 34. Rabenh. Alg. 

 X. 1609! Crouan Alg. du Finist. X. 393. Desmaz. Cr. de Fr. ed. nov. 

 X. 465. Aresch. Alg. Scand. X. 118. 212. Erb. X. 1436. Harv. 

 Phycol. Brit. T. 96. Ardiss. enumer. Algh. Ancon. p. 28. Le Jol. 

 Liste p. 102. Bangia tristis De Ntris Prosp. Fl. lig. p. 67. c. ic). 

 B. caespitibus densis, obscure (sordide) fusco-purpureis, opacis, 1 — 2 — 

 3-pollices longis ; filis teretibus, saepe crispatis, initio laevigatis, postea 

 pro aetate plus minus torulosis, ad ^jm'" crassis ; articulis diametro 

 aequalibus, triplo quadruplovc brevioribus, ad genicula plus minus 

 constrictis. v. v. 



b. Lejolisii (Bangia Lejolisii De Xt«s in Le Jol. Alg. mar. exs. 

 de Cherb. X. 161. Liste p. 102. B. fusco - purpurea Desmaz. Cr. de 

 Fr. ed. nov. X. 465.), fusco-amethystina, nitens. 



c. chalybea Ktz. (1. c), setacea, elongata, vix crispata, atro-pur- 

 purea, aetate provecta chalybea. 



d. jadertina Ktz. (1. c Bangia Jadertina Menegh. Ardiss. enumer. 

 Alg. Ancon. p. 29.), setacea, flexuoso-crispata, flaccida, purpureo-chaly- 

 bea, vel lutescens. 



e. sicula (Bangia sicula Ardiss. enumer. Alg. Aucon. p. 28.), obs- 

 cure purpurea ; articuiis diametro 3 — 6-plo brevioribus , ad genicula 

 leviter constrictis ; gonidiis luteo-violaceis. 



