17y2 Eu-Floridese, Corallinacege, Lithoplayllum. 



claro Foslie, in litteris ineunte mense martio 1904datis, hcec species 

 liaud differt a Perispermo hermaphrodito Heydr. 



41. Lithophyllum elegans Fosl. Rev. Syst. Surv. of Melob. (1900) p. 20, 2906 

 LitJiothamnion elegans Fosl. New or crit. Lithoth. (1895) p. 6, 

 Goniolit/ion elegans Fosl. List of Litlioth. (1898) p. 8. — Fronde 

 libera in fundo jacente, roseo-purpurea vel roseo-tlavescente, de- 

 composito-ramosa, ramis e centro undique egredientibus, squarrosis, 

 compressis vel compresso-angulatis, extremis aut dilatatis compla- 

 nato-palmatis aut subulatis, unum alterumve ramulum spinescen- 

 tem vel subulatum emittentibus; conceptaculis carposporiferis con- 

 vexiusculis vix prominentibus, demum innatis. 



Hah. ad oras Californifle (Hariot). — Frons usque 4 cm. diam. 

 £equans. Rami 1,5-2,5 mm. crassi. Conceptacula carposporifera (e 

 superficie visa) 220-280 [x. diam. metientia; carposporae elongato- 

 obovatse, 50-70 « 25-35 jx. Conferendie sunt forma angulata et com- 

 planata Fosl. New or crit. Litlioth. p. 6, ex eodem loco prove- 

 nientes. An huc revera pertinet Lith. Margaritas Hariof? 



42. Lithophyllum Margaritae (Hariot) Heydr. Lithoth. Mus. Paris (1901) 2907 

 p. 530 (excl. synon. Fosl.), Lifhothamnion Margaritm Hariot 

 Algues du golfe de Californie in Journal de Botanique, IX, 1895, 



p. 167. — Fronde affixa, uniformiter purpurea, decomposito-palmatim 

 ramosa, circurascriptione diffusa et laxa, valde polymorpha; ramis 

 pro maxima parte compressis, applanatis et quasi foliaceis, latio- 

 ribus, ellipticis cylindricis vel laciniato-divisis, apicibus SciBpius 

 furcatis acutiusculis, liberis vel plus minus inter se coalitis, levibus, 

 teretibus vel rarius angulatis, prolificationes aliquando corallinii- 

 formes, filiformes, cylindricas, clavatas et simplices emittentibus; 

 conceptaculis per totam frondis superficiem sparsis, vix prominulis, 

 deplanatis, poro apertis. 



Hah. in sinu Californico « Bay de la Paz » dicto (Diguet). — 

 Habitus Lithothamnii calcarei sed frondibus tenuioribus prreser- 

 timque magis compressis. Frons 4-5 cm. alta. Conceptacula (tetra- 

 sporangifera) ad 500 \y. diam. metientia, tetrasporangiis 60 ^ 32 [j.. 

 (fide Hariot). An, suadente quoque eodem loco natali, eadem species 

 ac Lithopiiyllum, elegans Fosl., ut iiabet clarus Heydrich loc. cit. ? 



43. Lithophyllum tortuosum (Esp.) Fosl. Rev. Syst. Surv. of Melob. 2908 

 (1900) p. 20 (incl. form. plur.), Millepora torttwsa Esp. Pflanzonth. I, 



p. 118, t. 22, Goniolithon tortuosum Fosl. Some new or crit. 

 Lithoth. (1898) p. 14, Tenarea imdulosa Bory Exp. Moree, Zoologie 

 (1832) p. 207, t. LIV, f. 3, Hariot in Journ. de botanique IX (1895) 



