368 



i/i4o /y ' = 0,00049— 0,00063") diraidio brevioribus ; cytiodermate tenui, 

 hyalino, homogeneo. v. v. 



b. Forma paulo tenuior, in formam typicam transiens. (Hormidium 

 delicatum Ktz. 1. c. Babenh. 1. c. Alg. X. 163! 



Hab. in muris, tabulis, plancis, ad arborum truncos, locis stillicidio 

 expositis, per totam Europam vulgaris. 



U. crassiuscula Ktz. (Tabul. phycol. II. p. 30. N. 918. T. 96. 

 F. III. Eabenh. Alg. N. 709. U. crassa (Hormidium crassum) Ktz. 

 Spec. p. 350. N. 43. Eabenh. Alg. N. 357.). U. laete viiidis, dense 

 intricata; articulis diametro (ad { jvb'" = 0,00092") duplo, triplo qua- 

 druplove brevioribus, pectinatis ; cytiodermate tenui, laevissimo. v. v. 



Hab. in terra nuda, plancis, asseribus putridis , passim abundans. 



ft Cytiodermate crasso. 



U. crenulata Ktz. (1. c. Eabenh. Krypt. Flor. v. Sachs. p. 266. 

 Alg. N. 615! West. et Wall. herb. N. 1344.). U. pallide viridis, 

 siccata sordide viridis, stratum tenue formans ; articulis diametro (}JigQ 

 _i /14ft '" = 0,00049 — 0,00063") aequalibus vel duplo brevioribus ; 

 cytiodermate crasso, achroo, crenulato-constricto. v. v. 



b. corticola (Eabenh. et West. 1. s.), obscure viridis. 



Hab. in caldariis; b. in cortice Pini Saxoniae (Auerswald, L. E.), 

 prope Hausen Suevice (Kemmler), ad ,,Louvain" et ,,Beverloo" Flandrice 

 (Leburton, Westendorp). 



ILCIX. Scllizogonilllll Ktz. (1843): Fila ulotrichoidea 

 aut passim lateraliter connata (duplicata vel triplicata) aut per cellu- 

 larum divisionem in duas directiones fascias angustas planas, plus minus 

 crispatas effingentia. 



Conf. ng. nostr. 103. 



a. Formae terrestres. 



Sch. murale Ktz. (Spcc. Alg. p. 350. N. 1. Eabcnh. Krypt. Flor. 

 v. Sachs. p. 266. Alg. N. 22. ed. II. sub N. 558. Wartm. N. 145. 

 Bangia velutina Ktz. Alg. exs. N. 95.). Sch. obscure vel saturate 

 viride, etratum velutino- molle , saepius late expansum formans ; filis 

 saepe liberis, his illisve binis connatis ; articulis diametro ('/150 — ', i'- 4 '" 

 = 0,00059 — 0,00071") duplo quadruplove brevioribus, pectinatis vel 

 subpectinatis, plerumque confertis, passim intcrruptis ; cytiodermate sub- 

 crasso, achroo, leviter undulato-constricto. v. v. 



