I 



234 Eu-Florideae, Tylocarpeoe, Phyllophora. 



4. Phyllophora nervosa (DC.) Grev. in J. Ag. Alg. mar. Medit. p. 94, 467 

 Sp. II, p. 332, Epicr. p. 217, Mont. Fl. tVAlger. p. 121, t. 16, f. 5 g, 

 Kuetz. Sp. p. 791, Tab. Pbyc XIX, t. 76, f. 11, Ardiss. Pliyc. Medit. 

 I, p. 182, Fiicus nervosus DC. FI. Franc. II, p. 29, Turn. Hist. 

 t. 43, Bertol. Amoen. It. p. 290, Sphcerococcus neruosus Ag. Sp. 

 pag. 236, Syst. pag. 213, Epatica spirale Ginn. Op. post. tab. 26, 

 n. 61, Dalle Chiaje Hydrophyt. Neap. II, p. 5, t. 56, Dawsonia 

 nervosa Lamour., Halymenia nervosa Duby, Delesseria nervosa 

 I.amour. Essai pag. 38. — Stipite compresso, in himinas planas 

 lineares margine undulatas costatas proliferas expanso, foliolis 

 prolificantibus oblongis simplicibus furcatisve ; cystocarpiis ad 

 foliola subsessilibus; pseudo-nematheciis laniina folioli subpeltati 



tectis. 



Hab. in mari Mediterraneo, Nigro et Adriatico; usque ad Gades 

 Hispanise. — Radix scutata. Frondes pedales et ultra, eroctas, caule 

 brevissimo, fere millo, in laminas costitas mox abeunte. LaminsB 

 elongata^, saspe plura cm. longae, 4-S millim. circiter hxtx% inferiores 

 semper costatEe, costa in supremis obsoleta, prolificationibus densis 

 ramos» apicibusque ssepe furcatis divisa?. Foliola prolificantia ab 

 angusta basi oblonga aut linearia, obtusa, simplicia aut furcata. 

 Margines ubique undulati. Cystocarpia intra pericarpium subglo- 

 bosum, minus quam in Ph. rubeiiti rugosum, uidulantia. Pseudo- 

 nemathecia sec. Schniitz a Colacolepide incrustante efformati. 

 Color coccineo-purpureus. Substantia membranaceo-cartilaginea. Spa- 

 cies Ph. rabenti proxima, sed major, evidentius costata et niargines 

 undulatos prtebens. 

 5. Phyllophora Heredia (Clein.) J. Ag. Alg. med. p. 94, Sp. II, p. 332, ^GS 

 Epicr. p. 217, Mont. Fl. Alg. p. 122, t. 16, f. 5 a-e, Ardiss. Phyc. 

 medit. I, p. 183, Acanthotylus Heredia Kuetz. Phycol. p. 413, Sp. 

 Alg. p. 792, Tab. Phyc. XIX, t. 77, c-f, Spha^rococcus Heredia 

 Ag. Sp. Alg. p. 243, Syst. p. 245, Chondrus Heredia Grev., 

 Zanard. Syn. p. 108, Fucus Ctjpellon Bert. Op. Bot. 2, p. 290, 

 tab. 11, fig. 5, Amoen. it. p. 292, tab. Y, fig. 5, Fucus lacimatas 

 Balb. Elenc. p. 5, Delesseria sperniopltora Lamour. Ess. p. 38, 

 Fucus Heredia Clem. Ensayo p. 314, Hal.ynienia sperniophora 

 Lamour., Chondrus Cypellon Zanard. — Caulescens, stipite cylin- 

 draceo, ramoso, raniis in laminas planas cuneatas dichotomo-mul- 

 tifidas expansis, laciniis terminalibus angustissiniis; cystocarpiis 

 tuberculatis, stipitatis; pseudo-nematheciis laciniis fofii dissecti 

 subpeltatim tectis. 



