Eu-Floridese, Polysiphonieae, Falkenbergia. 865 



brandii Born. in Ardiss. Phyc. Medit. I (1883) p. 376, Nitophyl- 

 lum conferraceicm Menegh. in Falk. Alg. Neap. p. 209 saltem pro 

 parte, Berth. Vertheil. Alg. Neap. pag. 528. — Fronde csespitosa, 

 subtilissima, filis primariis decumhentihus, secundariis erectiuscu- 

 lis vage rainosis, ramis sparsis supra axillas patentissimas inflexis 

 nunc subflexis, articulis diametro sequilongis. 



Hab. in oceano Atlantico ad insulas Canarienses (Hillebrand, 

 A. Vickers) et Bermudenses (Collins, Falkenberg); in mari Tyr- 

 rheno ad insulam « Elba » (D. na Toscanelli, Ardissone) et in sinu 

 Neapolitano (Falkenberg, Berthold). — Csespituli epiphytici, de- 

 licatissimi, quasi penicilli ad instar, densi, vix 2 cm. longi. Fron- 

 des 60-70 ^. crassae, erectse, primitus forsan decumbentes aut re- 

 pentes. Color frondis purpureus. Substantia fiaccida. Specimina ex- 

 siccatione chartse arcte adhaerent. 



Falkenbergia vagabunda (Harv.) Falkenb. Rhodomelaceen (1901) 1463 

 pag. 690, tah. 21, f. 20-26, Polysiphonia vagabunda Harv. Alg. 

 Austral. exsicc. n. 183, Fl. Tasm. p. 300, Kuetz. Tab. Phyc. XIV, 

 (1864) p. 12, t. 37, f. d-e (non t. 54 ut habet Falkenberg), J. Ag. 

 Sp. II, 3, pag. 940. — Csespitulis roseis, siccitate fuscescentibus, 

 frondibus pusillis, intricatis, vage ramosis, ramis elongatis hori- 

 zontalibus vel divaricatis arcuatis, ramulis paucis saepe secundis 

 divaricatis, pilis nullis, articulis diametro aequalibus. 



Hab. in mari natans ad oras Tasmanise prope « Port Arthur » 

 (Harvey); in frondibus Floridearum adhaerens (Wilson, Falken- 

 berg). — Immensa multitudine in mari natans, undas quasi gela- 

 tina Ribis mixtas prsebens. Crespites minuti, sphaerici, usque ad 

 4,5 millim. diametro metientes. Fila intricata, ramis eximie diva- 

 ricatis. Tetrasporangia primum septo transversali, demum longitu- 

 dinali quadridivisa, irregulariter sparsa, in filis primariis et latera- 

 lihus proininentia, cellulis tegentibus propriis destituta. 

 Falkenbergia rufolanosa (Harv.) Schmitz in Engl. & Prantl Natiirl. 1464 

 Pfianzenfam. (1897) p. 479, Polysiphonia rufolanosa Harv. Mar. 

 Bot. of West Austral. n. 87, in Trans. Irish Acad. Vol. XXII, 

 Alg. Austr. exsicc. n. 184, Kuetz. Tab. Phyc XIV (1864) p. 20, 

 t. 54, f. f-g (non t. 37 ut habet Falkenberg), J. Ag. Sp. II, p. 939. 

 — Fronde nana (in stratum expansa?), coespitibus singulis sub- 

 globosis, laxe intricatis, filis arachnoideis densissime fruticuloso- 

 ramosis, rainis decompositis ramulisque longe attenuatis patentis- 

 simis divaricatis, apice non piliferis, articulis ecorticatis diametro 

 circiter oequalibus. 



