Eu-Floridese, Corallinaceae, Lithothamnion. 1745 



satis (listincta' sint a typo Crouaniano dna' forniai ex littorft atlan- 

 tico (Jaiiia' i)rovonientes (f, suhvalkla ot f. iiuimfa) a l*'oslie 

 (Sonie iiow or crit. Litliotii. (1898) p. 7) proposita^, vix e cliara- 

 cteribus allatis patot. — Etiam foruia, crassa Heydr. Lith. Mus. 

 Paris (1901) p. 539, ad oras Gallia^ Atlanticas collecta et habitum 

 Lith. Racemi (Lam.) rainoris exhibens vix distincta videtur. 



41. Lithothamnion calcareum (Ell. et Sol.) Aresch. in J. Ag. Sp. II, 2760 

 p. 52:;. Millepora calmrea Ell. et Sol. Zooph. p. 129, t. 23, f. 13, 

 Lamarck Hist. anim. s. vert. 2, p. 201, Melobesia calcarea Harv. 

 Man. ed. 2, Ner. austr. p. 110. — Fronde erecto-fruticulosa, alba, 

 dichotoma, ramis inferne coalesccntibus, superne rej^ulariter divisis 

 attenuatis. 



Hdb. in oceano Atlantico ad littora Anglife et Gallije; in Me- 

 diterraneo; ad Novam Zelandiam insulasque Gallapagenses (sec. 

 Harvey). — Frons fruticulosa, 4-7 cm. diam., subdichotoma; ranii 

 basi 2-4,5 mni. diametro «quantes, inferne coalescentes, superne 

 liberi et attenuati, distantes (nec inter se dense stipati) fere diva- 

 ricati rugosi et papillifori. Specios luoc est de oetero (jiiam Lilho- 

 thamnion byssoides crassior at(|uc nbosior. Ceterum conferendyB 

 sunt sequentes fornKO a claro Foslie Rev. Syst. Surv. of Melob. 

 (1900) p. 13 enumeratae q. s. : f. valida, palmatiflda, squarru- 

 losa, subsimplex, compressa. Forsan ad hanc speciem pertinent 

 Lithothamnion gracile Phil. et Lithothamnion rubrum Phil. in 

 Wiegm. Arch. 1837, p. 388, Aresch. in J. Ag. Sp. II, p. 524. 



42. Lithothamnion australe Fosl. Rev. Syst. Surv. (jf Melob. (1900) 276« 

 p. 13, Lithothamnion corallioides Crn. f. australis Fosl. Norw. 

 Lithoth. p. 62, t. 16, f. 24-31. — Fronde parce ramosa, ramis 

 s^epe longioribus, teretibus vel subcoinpressis, 1,5-2 mm. crassis, 

 apicibus rotundatis aut subtruncatis. 



Hab. in oceano Atlantico ad oras Galliio (Bornet) Anglire 

 (Ratters) et Norvegiae (Foslie). — Coiiferend;^ simt forma^ dua^. 

 — f. americana Fosl. Rev. Syst. Surv. of Melob. nOOO) p. 13, 

 Lithothamnion corallioides Crn. f. aust7mlis Fosl. Norw. Lithotb. 

 p. 62, partim. — forma Novae-Zelandise (Heydr.) Fosl. Rev. Syst. 

 Surv. of Melol). (1900) p. 14, Lithophyllam Nomr-Zelandim Heydr. 



43. Lithothamnion amphiroaeforme Rothpl., Fosl. Rev. Syst. Surv. of 2767 

 Melob. (1900j p. 14. 



Hab. fossile In Europa (Rothpletz). 



44. Lithothamnion falsellum Heydr. Melobesite (1897) p. 414, Foslie 276s 

 New or crit. calc. Alg. (1900) p. 10, Lithothainnion Marlothii 



