1766 Eu-Florideae, Corallinaceae, Melobesia, 



Falk. pertinere suspicati sunt, sistit, teste Foslie Rem. Melob. 

 Herb. Crouan (1900) pag. 7, juniora individua Rhodochortonis 

 cujusdani. 



3. Melobesia Le-Jolisii Rosan. Rech. Melob. p. 62, t. I, f. 1-12, 2834 

 Aresch. Obs. Phyc. III, p. 3, Solms Corall. p. 11, Hauck Meeresal- 

 gen p. 264, f. 108, Ardiss. Phyc. Med. I, p. 445, Weber van Bosse 

 Bijdr. Algenfl. van Nederland 1886, p. 3, cum icone (conceptacula 

 mascula), Melobesia membranacea et Melohesia farinosa auct. 

 nonnull. (partim). — Fronde tota pagina inferiori adnata, rosea, 

 plana, suborbiculari, demum lobata confluente; conceptaculis spo- 

 rangiferis vix prominentibus, poro pertusis, dense confertis. 



Hab. m foliis Z osteracear u m in mari Ligustico ad « Ge- 

 nova»; in mari Jonico ad oras Sicilite (Aedissone); in sinu Neapo- 

 litano (Berthold, Solms); in mari Adriatico (Hauck, Heyduich); 

 in oceano Atlantico ad oras Neerlandiie (A. Weber van Bosse), 

 GermanisTe (Hauck), Galli* (Rosanoff) hic Borneti;e secundi- 

 florie innascens. — Frondes primitus minutissim;e, niaculiformes, 

 rosete, orbicnlares, dein lobatae et ramoscie, ssepius confluentes, mo- 

 nostromaticas, prope conceptacula tantum 2-3-stromatic;e. Conce- 

 ptacula 150-200 [j.. diam., poro cellulis elongatis circundato in- 

 structa. Quju ut conceptacuUi feminea (cystocarpia; descripsit et 

 icone illustravit clarus Rosanoff", sistunt, teste Hauck, conceptacuhx 

 sporangifera, sporangiis zonatim divisis; clarus Foslie (Rev. Syst. 

 Surv. of Melob. p. 21 in notulaj organa a Rosanoff depicta cysto- 

 carpia geiuiina esse opinatur. 



4. Melobesia confervicola (Kuetz.) FosL Rem. Melob. Herb. Crouan 2835 

 (1899) p. 7, Rev. SysL Surv. of Melob, (1900) p. 21, Phyllaclidiam 

 confervicola Kuetz. Phyc. gener. (1843) p. 295, Hapalidiitm. Phyl- 

 lactidium Kuetz. Spec. p. 695, Tab. Phyc. XIX, p. 38, t. 92, L c-f 

 (non Crouanj, Hapalidium confervicola Aresch. in J. Ag. Sp. II, 



p. 509, Ardiss. Phyc. Medit. I, p. 449, De Toni et Levi Phyc. 

 ital. n. 15!, Pneophyllum fragile Kuetz. Phyc. gen. p. 385?, Spec. 

 Alg. p. 695?. — Fronde incrustante, albida, flabelliformi. 



Hab. in Chylocladia clavellosa, ChaUomorpha al- 

 gisque tenuioribus maris Mediterranei, Adriatici et oceani Atlan- 

 tici. — Plantula nudo oculo visa refert punctum albidum vel ma- 

 culam, qu;e nuiic una, nunc pluribus constituitur frondibus flabel- 

 liformibus apiceque rotundatis; celluLe in omnibus stratum simplex 

 constituentes, cubicae et eximie radiantes et nucleo sphterico ornata!. 

 Crusta est tenuissima, ad 50 jj.. crassa ; conceptacula pro ratione 



