182 Eu-FIoi'i(loae, GU^artinefe, Cliondrus. 



Chondro crispo affinis sed cystocarpiis duplo minoribus spllaericis 

 per frondem abundanter sparsis, in utraque pagina prominentibus 

 et marginibus inflexis distincta. Quo quidem charactere ad Chon- 

 drum canaliculatam, monente ipso Harvey, accedit. Substantia 

 firma, coriacea. 



3. Chondrus canaliculatus (Ag.) Grev. Syn. p. LV, Kuetz. Sp. p. 736, 337 

 Tab. Phyc. XVII, t. 53, J. Ag. Sp. II, pag. 248, Epicr. pag. 178, 

 Spha^rococcus canaliculatus Ag. Sp. p. 2G0, Syst. p. 220, Mont. 

 Fl. Boliv. p. 2G, Spha^rococcus punctatus Ag. Sp. p. 332 (forma 

 decolorata). — Fronde dichotoma, fastigiata, canaliculato-plana, 

 segmentis linearibus; cystocarpiis in una pagina prominentibus 

 emersis. 



Hab. in oceano Pacifico ad littora Chilensia pr. «Valparaiso» 

 (H.*:nke, Mertens). — Formas Chondri crispi fere percurrit, fronde 

 canaliculata et cystocarpiis intra pericarpium subproprium, extra 

 frondem elevatum inclusis distinguendus. Substantia cartilagineo- 

 coriacea, color fusco-purpurascens. 



4. Chondrus elatus Holm. ()n mar. Algaj from Japan (1895), p. 252, 338 

 t. IX, f. 1, Nuova Notarisia 1897, p 23. — Fronde ca^spitosa, li- 

 neari, apices versus bis terve furcata, ramis obtusis basi attenuatis, 



a latere sparse proliferis, fructilbris flexuose dihitatis ; cystocarpiis 

 ad ramos terminales aggregatis, in utraque pagina prominentibus. 

 Hab. ad «Enoshima» (Ohkubo). — Frons 2-G miflim. vix la- 

 titud. excedens, 15-20 cm. longa; substantia firma, rigidiuscula, 

 quasi Gymuogongri linearis. 



5. Chondrus ocellatus Holm. On mar Alga? from Japan (1895), p. 252, 339 

 t. IX, f. 2, Nuova Notaiisia 1897, p. 23. Fronde saturate 

 violaceo-purpurea, caespitosa, phxna, coriacea, bis terve furcata, 

 sursum margine incrassata, segmentis paucis, oblongo-lanceolatis, 

 apice abtusis; cystocarpiis (in ramis) numerosis, ocellatis. 



Hah. ad <-Shimoda» (Satda). — Frons circiter 5-8 cm. alta, 

 05-0,8 millim. crassa. 



Species inquircndae. 



6. Chondrus? platynus (Ag.) J. Ag. Sp. II, p. 246, Mart. Tange v. 340 

 Ost-Asien p. 118 (incl. p elongatus Mart.), J. Ag. Epicr. p. 198, 

 Halymenia pJatyna Ag. Sp. p. 20G, Syst. p. 243, Irida^a platyna 

 Post. et Rupr. lllustr. p. 18, Rupr. Tange Och. Meer. p. 315 (Kuetz. 

 Tab. XVIII, t. 13?). — Fronde irregulariter dichotomo-fastigiata, 



