118 M. FOSLIE. [1905 



f. Corallince (Cm.) Fosl. mscr. 



Melobcsia Corallinae Crn. Fl. Finist. (1867), p. 150; Aresch. Obs. Phyc. Ill 

 (1875), p. 2! Reinke, Algenfl. westl. Ostsee (1889), p. 31; Fosl. List of Lithoth. 

 (1898), p. 11 ; Batt. Cat. Brit. Alg. (1902), p. 97; Dermatolithon Corallinae Fosl. in 

 Borg. Mar. Alg. Faroes (1902), p. 402. 



Frond orbicular or irregular, sometimes buckler- shaped convex, 

 or lumpy, edge sometimes free, 100 — 500 //-thick; conceptacles of 

 sporangia and cystocarps convex or subhemispheric- conical, often 

 not sharply marked, 250 (200) — 450 (600) p- in diameter ; sporangia 

 two (and four?) parted. 



f. Laminarice (Crn.) Fosl. mscr. 



Melobesia Laminarice Crn. Fl. Finist. (1867), p. 150! Traill. Mar. Alg. Orkney 

 (1890), p. 36; Reinke, Algenfl. westl. Ostsee (1899), p. 31; Simm. Meeresalg. d. 

 Fseroer (1897), p. 268; Melobesia macrocarpa Kleen, Nordl. Alg. (1874), p. 11; 

 Kjellm. N. Ish. Algfl. (1883), p. 137; Stromf. Algveg. Isl. (1886), p. 23; Derma- 

 tolithon Laminaria? Fosl. Rem. Melob. Herb. Crouan (1900), p. 13; De Toni, Syll. 

 Alg. IV (1905), p. 1772; Dermatolithon macrocarpum (f. Laminarice) Fosl. Rev. 

 Syst. Surv. Melob. (1900), p. 22; Jonss. Mar. Alg. Icel. I (1901), p. 154! Borg. 

 Mar. Alg. Faeroes (1902), p. 401! Batt. Cat. Brit. Alg. (1902), p. 97! Borg. Mar. 

 Alg. Shetl. (1903), p. 6. 



Frond orbicular, becoming confluent, 200—600 y- or up to 1 

 mm. thick; conceptacles of sporangia and cystocarps convex or 

 subhemispheric-conical, 300 — 550 ,u. in diameter; sporangia two- 

 parted. 



Syn: Melobesia pustulata Harv. Phyc. Brit. (1846—51), pi. 347 D; Harv. 

 Ner. Austr. (1847), p. 110? Kiitz. Spec. Alg. (1849), p. 696, Tab. Phyc. XIX 

 (1869), p. 33, t. 94; Aresch. in J. Ag. Spec. Alg. 2 (1852), p. 513; Le Jol. Liste 

 Alg. Cherb. (1863), p. 151, partim; Crn. Fl. Finist. (1867), p. 150, partim; Rosan. 

 Rech. Melob. (1866), p. 72, pi. IV, fig. 2 — 3; Magnus, Nordseef. (1874), p. 70; 

 Aresch. Obs. Phyc. Ill (1875), p. 3, partim! Farl. New Engl. Alg. (1881), p. 180; 

 Solms, Corall. Monogr. (1881), p. 10; Ardiss. Phyc. Medit. I (1883), p. 446, partim; 

 Hauck, Meeresalg. (1885), p. 265; Born. Alg. Schonsb. (1892), p. 188; Debr. Cat. 

 Alg. Maroc. etc. (1897), p. 72! 



Dermatolithon pustulatum Fosl. List of Lithoth. (1898), p. 11; Batt. Cat. Brit. 

 Alg. (1902), p. 97; Fosl. Lithoth. Adr. Meer. etc. (1904), p. 38; De Toni, Syll. 

 Alg. IV (1905), p. 1771. 



Melobesia verrucata Lamour. Pohyp. flex. (1816), p. 316, cfr. Rosan. Rech. 

 Melob. p. 78; Kiitz. Spec. Alg. (1849), p. 696 (excl. var.), Tab. Phyc. XIX, p. 34, 

 t. 96 (partim); Aresch. in J. Ag. Spec. Alg. 2 (1852), p. 513. 



Melobesia opalina Zanard. Saggio (1843), p. 44? 



