112 Eu-Floridcpe, Ch^otangica?, Galaxaura. 



4. Galaxaura cylindrica (Soland.) Lamoiir. Expos. meth. p. 32, Decne K'B 

 Class. Corall. p. 103, Kuetz. Sp. p. 530, Tab. Phyc. VIII, t. 31, 



J. Ag. Epicr. p. 527, Coi^allina cylindrica SoUxnd. in Ellis Zooph. 

 p. 114, tab. XXII, f. 4, Dichotomaria cylindrica Lamarck in Ellis 

 1. c. p. 114. — Fronde subnuda, niox incrustata, fragili, patenter 

 dichotoma fastigiata, ramis ad ortum parum constrictis, adultioril)us 

 sa^pe ad basin fractis quasi articulatis, articulis cylindricis levibus 

 utrinque truncatis diauietro quadruplo et ultra longioribus. 



Hah. ad Antillas (sec. Ellis et Decaisne); in mari Rubro vix 

 eadem (fide Kuetzing). 



5. Galaxaura fragilis (Lamk.) Kuetz. Sp. p. 530, J. Ag. Epicr. p. 527, 1119 

 Dichotomaria fragiUs Lamk. Anim. sans vertebres p. 145. — 

 Fronde subnuda, mox incrustata, fragili, patenter dichotoma fasti- 

 giata, ramis ad ortum parum constrictis, adultiorihus ssepe ad basin 

 fractis quasi articulatis, articulis utrinque truncatis subrugosis dia- 

 inetro vix quadruplo longioribus, supreinis collabentibus superne 

 latiorii)us. 



Hab. in mari Paibro et mari Indise occidentalis (nisi 2 species 

 confusa^). — Vix differt a Galaxaura cylindrica (Sol.) Lamour., 

 quacum, forsan rite, pluries confusa. Ut synonima verisimillime 

 adscribendge sunt Galaxa.mm sponr/iosa Kuetz. Tab, Phyc. YIII, 

 t. 34, f. 2, Galaxaura Schimperii Decne Corall. p. 104, Gala- 

 xanra unibellata Kuetz. Tab. Phyc. VIII, t. 34. 



6. Galaxaura adriatica Zanard. Icon. phyc. adriat. p. 474, t. XXII A 20 

 (habitus algie male depictus), J. Ag. Epicr. p. 527, Hauck Meeresal- 

 gen p. 64, Ardiss. Phyc. Medit. I, p. 274, De Toni & Levi Fl. 

 Alg. Ven. I, p. 99, Schem. gen. Florid. t. XII, f. gen. 48 a-b et in 

 Rendic. R. Accad. Lincei 1888, p. 244, n. 10, Piccone in Notar. 

 1888, p. 442. — Fronde decussatim dichotoma, corymbosa, hevigata, 

 segmentis maxime divaricatis cylindraceis levibus, basi vix con- 

 strictis, ultimis clavatis apice latissime pertusis. 



Hah. in mari Adriatico raro, primitus ad insulam Lesinam lecta 

 (BoTTERT, Zanardini) ; in Medit. ad Tripolin Africa? (R. Spigai, De 

 ToNi, Levi); ad « Albissola marina» Ligurise (Piccone). — A callo 

 radicali disciformi exsurgunt frondes plures csespitose coadunatic, 

 us(iue ad seraidecimetrum altge, singule 1 millim. aut quod exsu- 

 pcrat crassDB. Consistentia frondis exsiccatae rigidissima, fragillima. 

 Color algre recentis roscus, exsiccationc albido-virescens. 



7. Galaxaura dactyliophora Picc. et Grun. in Piccone Alg. critr. 20 

 p. 312, n. 66, t. VIII, f. 7. - Fronde tenui, fastigiatim dichotome 



