§6 Eu-Floridese, NemaliecB, Liagora. 



LIAGORA Lamour. [1812] Polyp. flex. p. 235 (Etym. ex nomine cuius- 

 (lam Nereidos), Kuetz. Phyc. gener. p. 321, Sp. p. 537, J. Ag. 

 Sp. II, p. 424, Epicr. p 514, Grun. Alg. Fidschi p. 37, Ardiss. Phyc. 

 Medit. I, p. 270, Schmitz Mar. Florid. v. Ostafrica (1896), Schmitz 

 et Hauptf. in Engl. & Prantl Natiirl. Pflanzenfara. 141 (1896), 

 p. 334, Nemalionis, Fuci, Galaxaurce sp. — Frons teretiuscula 

 aut compressa, dichotoma aut lateraliter ramosa, crusta calcareil 

 demum phis minus ohducta, axi stratoque peripherico composita; 

 axis filis elongatis articulatis ramosis subintricatis densiusculis 

 longitudinaliter excurrentibus; stratum periphericum filis verticali- 

 bus poly-dichotomis articulatis constans; apex vegetativus filamen- 

 toso-flabellatus, radians. Cystocarpia inter fila strati peripherici 

 evoluta, extra criistam calcaream subprominentia, fasciculo filo- 

 rum pnegnantium constituta; fila carposporifera a puncto basali 

 radiantia, fasciculatim ramosa, articulata, in articulis terminalibus 

 carposporas pyriformes generantia. Tetrasporangia in tumefactio- 

 nibus nodiformibus quasi nematheciosis superioris partis frondis 

 evoluta, in filis periphericis acrogena, irregulariter cruciatim divisa. 

 Obs. Frondes nunc teretes, nunc complanato-canaliculatas, re- 

 gulariter dichotomi» aut proliferse et evolutione ramorum latera- 

 lium ramosoe; partes juveniles lubricse, adultiores mox calce car- 

 bonica incrustata^, apicibus nudis (in nonnullis) purpurascentibus. 

 — Species, mea sententia, quoad liabitum et incriistationis normam 

 summopere variabiles. Species sa^pe a^gre invicem distinguenda\ e. 

 gr. Liagora Turneri Zanard., a Liagora subpulverulenta Ag., Lia- 

 gora fragilis Zanard. et Liagora subarticulata Grun. a Liagora 

 annulata J. Ag. 



Suhgen. I Euliagora J. Ag. Anal. algol. III (1896), p. 99: Fronde tota mucoso- 

 gelatinosa, inferne et sursum longius strato calcis in diversis speciebus 

 varie incrustata, apicibus subnudis gelatinA, indutis; axili strato fllis te- 

 reiiusculis aliis latioribus invicem distautibus, aliis tenuioribus interstitia 

 occupantibus et extrorsum in stratum subproprium adproximatis contexto, 

 strato corticali filis verticaliter exeuntibus Cusciculatis subcylindraceo-cla- 

 vatis extrorsum moniliferis, intra mucum gelatinosum invicem liberis 

 constituto. 

 A. Species frondibus exsiccatis crustA pulverulentA obductis. 

 1. Axili strato in emollita ubique translucente angusto et suo diametro 



longitudinem fasciculorum corticalium neutiquam a-quante. 

 a Fronde pinnatim decomposita subpaniculata. 



1. Liagora orientalis J. Ag. Anal. algol. TII (189(;), p. 99, — Fronde isi 



