Eu-FlorideiO, Nemalieae, Helminthocladin. 81 



Species a geiiere exclus;p. 



10. Nemalion purpureum Cliauv. c?,t Helminthocladia purpurea (Harv ) 

 .1. Ag. 



11. Nemalion purpureum var. dalmaticum Kiietz. Sp. p. 713 est Ca- 

 losiphonkv sp. 



12. Nemalion divaricatum Kuetz. iSp. p, 713 est Helminthora divari- 

 cata salteni ex parte. 



13. Nemalion coccineum Kuetz. Sp. p. 713 est Dudresnaya coccinca 



14. Nemalion purpuriferum Kuetz. Sp. p. 713 est Dudresnaya pur- 

 purifcra. 



15. Nemalion comosum Menegh. in Giorn. bot. it. 1844, p. 299, J. 

 Ag. Sp. II, p. 410 (e DalmatifG littoribus proveniens) videtur Ne- 

 mastomatis seu generis huic proxinii species. 



16. Nemalion ramosissimum Zanard. in Kuetz. Tab. Phyc. XVI t. 65 

 f. II est Hclniinthora divaricata. 



17. Nemalion? insigne Harv. Phyc. austral. tab. 284, J. Ag. Epicr. 

 p. 508 est Helminthocladia densa (Harv.) Schmitz. 



18. Nemalion clavatum Kuetz. Spec Algar. p. 713 est Helminthora 

 diraricata (Ag.) J. Ag. 



HELMINTHOCLADIA [1852] J. Ag. Sp. II, p. 412, Epicr. p. 506 (Etym. 

 helmins vermis et clados ramus), Schmitz Syst. Uebers. Florid. 

 p. 4, Schmitz et Hauptfl. in Engl. & Prantl Natiirl. Pflanzenfam. 

 141, p. 333, Mesogloiw, Dumontice, Halymenice, Nemalionis, Choi- 

 tophonv, Nemastomatis, Liagorce, Rivularim, Gliodori, Gloiopho- 

 rce sp. auct. — Frons teretiuscula, gelatinosa, lubrica, quoquoversum 

 ramosa, axi filisque investientibus, stratum continuum periphericum 

 formantibus, constituta; axis filis ramosis laxe intertextis longitu- 

 dinalibus longe articulatis constans; fila peripherica articulata ver- 

 ticalia dichotoma fastigiata invicem moniliformia sublibera. Cysto- 

 carpia inter fila verticalia evoluta, placentari adparatu proprio 

 fere nullo fasciculo filorum pnegnantium constituta; fila sporifera 

 a centraU basi (luoquoversum radiantia, peridermate communi uullo 

 tecta, brevissima, fasciculato-ramosa articulata, intra articulos (su- 

 premos demum inflatos) carposporas singulas rotundatas generantia. 

 Tetrasporangia hucusque ignota. 



