Eii-Floii(li'a', Neiiinlica', Ncin;tli()ii. 77 



circii «FA Tor» (Portiku sec. Zanaudini). — Color froudis icriigi- 

 iiosus (ob Mji.roplii/ccas epipliyticas?). 

 ■1. Trlchogloea lubrica (Harv.) J. Ag. Epicr. p. 51 i, Till Al^^. Syst. lai 

 XI, p. II, Lidgora labrica Harv. List of Friendly Isl. Alg. ii. 40, 

 Helminthocladia Cassei Croaan in Maze & Schraunn Alg. Guadol. 

 p. 177, Liagora luhrica auct. (quoad spocimina japonica et ins. 

 Mauritii)?. — Fronde piuuatini decouiposita, ramis a basi ad api- 

 cem insigniter angustiorem longe atteuuatis, axi incrustato tenuiore, 

 strato peripherico diametrum axis incrustati longe superante. 



Hab. in oceano Pacifico calidiori, ad «Loo-Choo» et insulas 

 Amicitite (Harvey); eadem, ut videtur, ex insula Mauritii et ex iu- 

 sulis ludiie occidentalis (MazS). — Color frondis ajruginosus. 



NEMALION Targ. Tozz. [1818] cfr. Bertol. Amoenit. p. 300 (Etym. 

 nema filamentum), Duby Bot. Gall. pag. 959, J. Ag. Sp. II, pag. 

 416, Epicr. p. 507, Ardiss. Phyc. Medit. I, p. 266, Schmitz Syst. 

 Uebers. Florid. p 4, Schmitz et Hauptfl. in Engl. & Prantl Naturl. 

 " Pflanzenfam. 141, p. 332, Mesogloia', Chordaria\ Fuci, Alcgonidii 

 sj). auct. veter., Helminthora Fries [1825] non J. Ag. — Frous te- 

 retiuscula (an et exsiccatione compressa?), lubrica, simpliciuscula 

 aut furcatim ramosa, axi filisque investientibus stratum continuum 

 periphericum formantibus constituta; axis filis elougatis simpli- 

 ciusculis in columnam medullarem intricatis, extra hanc sparsiori- 

 bus anastomosantibus, in fihi peripherica verticalia dichotoma fa- 

 stigiata invicem sublibera obli(i[ue excurrentibus. Cystocarpia inter 

 fila verticalia evoluta, placentari adparatu proprio fere nullo, fa- 

 sciculum filorum praegnantiuni constituta; fila carposporifera a 

 ceutrali basi quoquoversum radiantia, peridermate communi nuUo 

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

 premos demum inflatos carposporas singulas rotundatas generantia. 

 Tetrasporangia in articulis terminalibus filorum verticalium for- 

 mata, triangule divisa, sporis subprominulis. x\ntheridia e cellulis 

 minutissimis hyalinis ad apices filorum periphericorum circumcirca 

 evolutis composita. 



Obs. In Nemalione nmlti/ldo clarus Wille conjunctionem nuclei 

 spermatii cum nucleo femiuino nuper vidit. 



1. Species froiKle sulisimpliei. 



1. Nemalion lubricum Duby Bot. Gall. II. p. 959, Kuetz. Sp. p. 712, i3b 

 Tab. Phyc. XVI, t. 62, f. 1, Ardiss. Phyc. Med. I, p. 267, J. Ag. 



