Eu-Floridese, Spermothamniese, Spei*mothamnion. 12G1 



saepe alternis secundisve, articulis brevibus; tetrasporangiis in pin- 

 nula abbreviata paucis, nunc singulis. — Ad frondes Algarum 

 in mari Ligustico, saopius ad littora Ligurise occidentalis passim 

 (De Notaris, Ardissone, Dufour) et Galloprovincige ad Massiliam 

 (Schousboe); in mari Adriatico ad Anconitanum littus (Ardissone) 

 et oras Istrise (C. Agardh, Hauck); cum specie in oceano Atlan- 

 tico passim a littoribus Sueeiae usque ad Gades HispaniaB (C. 

 Agardh). — var. flagelliferum (De Not.) Ardiss. Phyc. Medit. I, 

 p. 300, Callithamnion (lagelliferum De Not. Nov. Algol. p. 70 

 cura icone, Dufour El. Alg. Ligur. n. 76, Spermothamnion fla- 

 gelliferum Ardiss. et Straff. Enum. Alg. Lig. n. 517: filis secun- 

 dariis erectis, pinnis patentibus oppositis, junioribus spiniformi- 

 bus. Ad frondes Codii tomentosi in mari Lignstico ad « Ge- 

 nova » (Caldesi). — Frondes perpusillse, pauca millim. altne. 

 . Spermothamnion roseolum (Ag.) Pringsh. Morph. Meeresal. (1862) 1967 

 p. 25, t. 4-6, Hauck Meeresalgen p. 44, Callithamnion roseolum 

 Ag. Sp. II, p. 182, Kuetz. Sp. p. 642, Tab. Phyc. XI, t. 68, f. a-e, 

 J. Ag. Sp. II, p. 21, Epicr. p. 11, Callilhamnion repens Lyngb. 

 et auct. (partim), Kuetz. Sp. p. 642, Tab. Phyc. XI, t. 69, f. a-b, 

 Spermothamnion repens Buffham Anther. 1888, p. 265. — Filo 

 primario repente radicante, secundariis erectis vage ramosis de- 

 compositis, ramis patentibus hic illic oppositis saepius alternis se- 

 cnndisve, articulis 4-9-plo diametro longioribus cylindraceis; te- 

 trasporangiis interiore latere pinnularjim subpedicellatis, paucis ; 

 cystocarpiis ramellis 6-8 involucratis. 



Hab. in sinu Codano in aliis Algis epiphytice crescens ; in o- 

 ceano Atlantico superiori. — Caespes dense investiens, 1-5 cm. 

 altus. Fila primaria repentia. secundaria erecta, 40-60 p. crassa, 

 strictiuscula aut aliquando intricata, vage ramosissima. Rami ra- 

 mulique conformes patentes elongati longeque acuminati omnino 

 vagi, in inferiore parte hic illic oppositi, in superiore alterni aut 

 saepe secundati, longe plerumque distantes. In ramulis his 15-35 

 ;x. crassis, interiore latere proveniunt tetrasporangia plerumque in 

 ramello pauciarticulato terminalia et solitaria, nunc in ramello 

 gemina aut terna introrsa et sessilia. Articuli cylindracei plerum- 

 que pnelongi, 4-9-plo diametro longiores. Pneter tetrasporangia 

 descripta obveniunt (in eodem individuo) intra ramulos 6-8 invo- 

 lucrantes incurvos cystocarpia globosa. Sec. Pringsheim est haec 

 species monoica, immo in eodem individuo sexunto etiam tetra- 

 sporangia gerens. 



