Plioeozoosporinae, Stiloplioracese, Stilophora. 391 



Ceramium tuherculosum Roth. — Frondc ramosissima, ramis eloii- 

 cjatis, in apiceni sensim attenuatis ; soris per zonas corticis steriles 

 l)lus uiinus extensas separatis et tunc sparsis; sporangiis plurilo- 

 cularibus et unilocularibus in individuis diversis evolutis. 



Hab. sa3pius in Irondibus Fuci ad oras Atlanticas Europae et 

 Americse borealis; an eadem ad littora Tasmaniae? (Hooker). — Fron- 

 des 1-3 dm. altae, deorsum circ. 1 mm. crassae, flavescentes, sicca3 

 fuscescentes. — Var. adriatica (Ag.) J. Ag. Sp. I, p. 85, Ardiss. 

 IMiyc. Medit. II, p. 111, Sti/op/iora adriatica .1. kg. Alg. Medit. 

 adriat. p. 42, Derb. & Sol. Mem. physiol. alg. p. 54, t. XV, f. 

 11-15 bis, Sporochnus aclriaticus Ag. Aufzahl. p. 21, Icon. 

 Alg. Europ. n. XXX, Spermatochnits setaceus Kuetz. Sp. p. 

 550, Tab. Phyc. VIII, t. 19, f. 2, Spermatochnus clamceps Kuetz. 

 in P,ot. Zeit. 1847, p. 165, Sp. p. 549, Tab. Phyc. VIII, t. 19, 

 f. 1, Sti/ophora setacea Menegli. mscr. sec. Kuetziug, Stilophoi^a 

 rhizodes Menegh. Alg. ital. dahnat. p. 152 non J. Ag., Stilo- 

 phora capillaris Menegh. in (iiorn. l)ot. ital. 1844, pag. 298, 

 Sti/ophora gracit/ima Zanard. Saggio p. o9: fronde breviore, 

 subdichotomo-ramosa, ad 15 cm. alta. In mari mediterraneo ad 

 insulas Balearicas (Rodriguez), ad oras Sardinise (Marcacci, Pic- 

 cone), ad insulam Galitam, circa Tripolin Africre et prope in- 

 sulam Mehtam (D"Albertis, Piccoxe), in sinu lugdunensi-gallico 

 ad Massiliam (Castagne), in mari ligustico ad « Porto Maurizio» 

 (I. Strafforello), in mari tyrrheno ad Neapolin (Falkenberg), in 

 mari Adriatico ad Pirano (Hauck) et ad littora Venetiarum (Zanar- 

 DiNi) et Dalmatiae (Meneghini, Hb. Zanardini). — var. papillosa 

 Hauck Meeresalgen p. 385, f. 166, De Toni & Levi Fl. Alg. Ven. II, 

 p. 93, Stilophora papillosa J. Ag. Alg. Medit. p. 42, Sp. I, p. 84, 

 Ardiss. Phyc. Medit II, p. 112 non Reinke, Spermatochnus pa- 

 pi/losus Kuetz. Phyc. gener. p. 335, Sp. p. 550, Tab. Phyc. VIII, 

 t. 22, f. II, Spermatochnus membranaceus Kuetz. Phyc. german. 

 p. 269, Sp. p. 550, Tab. Phyc. VIII, t. 21, f. II, Spermatochnus 

 hirsutus Kuetz. Sp. p. 550, Tab. Phyc. VIII, t. 21, f. I, (Dictyota 

 papillo.m hsimonr. verisimiliter ad Spermatoch^iimi ■pertinet), Zo- 

 naria papillosa Ag. Sp. I, p. 131 (saltem pro parte), Sti/ophora 

 adriatica Menegh. Alg. ital. dalmat. p. 145, t. 3, f. 2 non J. Ag., 

 Spermatochnus adriaticus Kuetz. Sp. p. 550 (exclus. synonym.): 

 frondibus versus apices multo tenuiores sensim attenuatis, irregu- 

 lariter dichotomis et ramentis sine ordine pullulantibus sa^pe un- 

 difjue obsessis, apicibus divaricatissimis, filamentosis. In sinu lug- 



