96 M. FOSLIE. [1905 



Subgen. Eumelobesia Fosl. 

 List of Lithoth. (1898), p. 10; char. mut. 



Frond monostromatic with solitary small cortical cells, except 

 around the conceptacles ; heterocysts present. 



1. Melobesia farinosa Lamour. 



Polyp, flex. (1816), p. 315, t. 12, fig. 3. 



f. typica. 



Melobesia farinosa Rosan. Rech. Melob. (.1866), p. 69, pi. II, fig. 3—5, 10 — 12, 

 pi. HI, fig. 2—13, pi. IV, fig. 1, 10, pi. VII, fig. 12. 



Conceptacles of sporangia and cystocarps hemispherical or 

 hemispheric-conical, 130 — 200 (250) p- in diameter. 



f. borealis Fosl. mscr. 



Frond frequently coarser than in the typical form, conceptacles 

 of sporangia and cystocarps frequently larger, hemispherical, 200 

 — 300 p- in diameter. 



f. callithamnioides (Falkbg.) Fosl. 



Siboga Exp. LXI (1904), p. 55, Melobesia callithamnioides Falkbg. Alg. Neap. 

 (1879), p. 265; Solms, Corall. Mpnogr. (1881), p. 11, t. I, fig. 9, 12, 13; Hauck, 

 Meeresalg. (1885), p. 262, fig. 106; De Toni, Syll. Alg. IV (1905), p. 1765. Non 

 Batt. Cat. Brit. Alg. (1902), p. 96! Nee Hapalidium callithamnioides Crn. Fl. 

 Finist. (1867), p. 149 (= Rhodochorton sp.)! Melobesia Solmsiana Falkbg. Rhodom. 

 (1901), p. 109. 



Syn: Melobesia farinosa Kutz. Spec. Alg. (1849), p. 696, partim ; Harv. 

 Phyc. Brit. (1846—51), pi. 347 B (partim?); Aresch. in J. Ag. Spec. Alg. 2 (1852), 

 p. 512, partim (non Obs. Phyc. Ill, p. 4!); Crn. Fl. Finist. (1867), p, 150, partim; 

 Farl. Mar. Alg. New. Engl. (1881), p. 180; Solms, Corall. Monogr. (1881), p. 11, 

 t. I, fig. 4, pi. Ill, fig. 11; Ardiss. Phyc. Medit. I (1883), p. 445 (partim?); Hauck, 

 Meeresalg. (1885), p. 263, fig. 107; Debr. Cat. Alg. Maroc. ete. (1897), p. 72! 

 Batt. Cat. Brit. Alg. (1902), p. 96 (partim?); De Toni, Syll. Alg. IV (1905), p. 1764; 

 non Reinke, Algenfl. vvestl. Ostsee (1889), p. 32! 



Melobesia granulata Menegh. in Zanard. Saggio (1843), p. 44 (nomen) sec. 

 spec. herb. De Toni! Kutz. Spec. Alg. (1849), p. 696; Tab. Phyc. XIX (1869), 

 p. 34, t. 95. 



Melobesia verrucata Crn. Fl. Finist. (1867), p. 150, partim! 



Hapalidium coccineum Crn. Fl. Finist. (1867), p. 149, partim! Non Not. 

 Hapal. in Ann. Sc. Nat. Ser. 4. Bot. Tome 12 (1859), p. 285. 



Melobesia membranacea Le Jol. Liste Alg. Cherb. (1863), p. 150, partim, 

 Alar. mar. Cherb. no. 194! 



