178<S Eu-Florideae, Corallinacese, Litliopliyllum. 



obvolveiites, e viridulo vinosai. Conceptaciila sporangifera 230 [i. 

 diani. metientia, sporangiis zonatiin divisis GO « 28, pedicello usque 

 ad 20 {1. longo fultis. Vix liuc pertinent, teste Foslie Rev, Syst. 

 Surv. of Melob. (1900) p. 19 organa, qute ut conceptacula carpospo- 

 rifera descripsit clarus Heydrich. 



30. Lithophyllum Crouani Fosl. Some new or crit. Lith (1898) p. 17. *^*^95 



— Crustis orbicularibus vel suborbicularibus, crassiusculis, mar- 

 gine incrassato, levibus, subnitidis, pallide purpureis, couceptaculis 

 sporangiferis (parum evolutis) per frondem, margine excepto, con- 

 fertim dispositis, poro singulo instructis. 



Hah. in frondibus Laminarise hyperboreae in oceano Atlan- 

 tico ad oras Galliie (Crouan, Le Jolis), Britannia' (Batters) et 

 Norvegice (Foslie). — Crustse fere 2 cm. diani., ad 700 \y. crass;e. 

 Conceptacula 90-110 [j.. diam. (e superficie visa), sporangiis zonatim 

 divisis, 75 « 30 ;j.. 



31. Lithophyllum amplexifrons (Harv.) Heydr. Lith. Mus. Paris (1901) 2^96 

 p. 536, Melohesia amplexifrons Harv. Nereis australis p. 110, 

 Aresch. in J. Ag. Sp. II, p. 513, Rosan. Rech. Melob. p. 75, t. VII, 



f. 2-3. — Fronde laxe amplectente, crassa, lobata, rugosa; concepta- 

 culis minutissimis, immersis, umbilicatis, fere poriformibus. 



Ilah. in frondibus Gelidii cristati (?) ad « Port Natal » 

 Africse (Harvey); in frondibus Liagorse orientalis ad « Port 

 Prasein, Neu-Mecklenburg » Novse Irlandiie (Bory); in frondibus 

 Chrysymenite obovat;i3 ad oras Australiae (Rosanoff). — 

 Crustye, teste Rosanoff, e cellularum stratis 6-7 constitutie, 250 jx. 

 crassoe. Conceptacula 180 ;j-. diam. et 80 \i.. alta, sporangiis 50 « 

 30 ;j.., bisporis (sec. Heydrich) et tetrasporis (sec. Rosanoff). 



32. Lithophyllum tumidulum Fosl. New Forms of Lithoth. (1901) p. 5. 2897 



— Crustis 300-800 ;j.. crassis, s;epe angulatis, ramos Gelidii obvol- 

 ventibus, levibus aut in;equalibus ; conceptaculis sporangiferis im- 

 mersis, 200-250 ;j.. diam. metientibus. 



Hah. in frondibus Gelidii ad « Shimoda » Japonise (Yendo). 



— CelUilge basales 18-30^9, superiores 15-40^^7-12. Affinis hnec 

 species videtur Lithophyllo amplexifrondi (Harv.) Heydr. 



Subjen. IL Carpolithon Fosl. Rev. Syst. Surv. of Melob. (1900) p. 19: Con- 

 ceptacula sporangifera vix supra superficiem frondis eminentia, tegmine 

 demum ex toto decorticato, disco minus sursum arcuato. 



33. Lithophyllum decipiens Fosl. On some Lith. p. 20 (excl. concept. 2898 

 sporangif.j, Calc Alg. from Fuegia (1900) p. 71. — Crustis inde- 



