1'liseozoospoi'iine, Cutleriaceoj, Cutleria. 301 



jora, iu quocjuo locello sinjiijula, deiu libero cxaminantia, (lemuin (ine- 

 unte stutu quiotis) foecundata. Phteozoogameta mascula (antlierozoi- 

 diorum ope funyentia) in quo^iue locello gamctangiorum masculorum 

 bina evoluta. 



CUTLERIA Grev. [1830] Alg. brit. p. 60 ampl. (Etym. ab egregia 

 botanophila domina Cutler e Sidmouth), J. Ag. Sp. I, p. 163, Born. 

 & Thur. Etud. phycol. p. 21, t. IX-X, Reinke Cutleriac. v. Nea- 

 pel in Nova Acta Acad. Leop. Carol. Band XL, N. 2 (1878), Fal- 

 kenb. in Mittheil. Zool. Station in Neapel Band I (1879), Jancz. 

 Note sur la fecond. du Cutl. adsp. 1883, De Toni & Levi Fl. Alg. 

 Ven. II, p. 78, Ardiss. Phyc. Medit. 11, p. 51, De Toni Syst. Ue- 

 bers. Fucoid. 1891, p. 175, Kjellm. Handbok I, p. 15, Engl. & Prantl 

 Natiirl. Pflanzenfam. 97, pag. 265, Aglaozonia Zanard. [1843] 

 Saggio classif. ficee (1843, mense martiol) p. 38, Padinella Aresch. 

 [1843] in Linna^a (1843, mens. majo-junio) p. 260, Cutleria^, Zona- 

 7'ice, Dictyofcv, Ul,vaj sp. auctor. — Frons dimorpha, gametangiifera 

 erecta, zoosporangifera decumbens. Frons in formis erectis plana, 

 flabellata, lobata vel vage fissa aut subdichotome ramosa, structura 

 bilaterali donata h. e. stratis tribus contexta, exteriori e cellulis uni- 

 stratosis dense coloratis, minutis, intermedio e cellulis paullo majori- 

 bus, subisodiametricis, phseophora pauca foventibus,interiori e cellulis 

 pluristratosis, secus directionem vegetationis frondis elongatis, sub- 

 hyalinis constituto, in formis decumbentibus (ylp^/ao.c^on?'^? statu)stru- 

 ctura dorsiventrali h. e. stratu superiori e stratu 2-3 cellulis mi- 

 nutis intense coloratis, stratu inferiori e stratu singulo cellularum 

 appendices rhizoides filiformes articulatas proferentium constante, 

 Fructus sexuales in utraque pagina frondis evoluti, soros maculi- 

 formes fere secus lineas transversales ordinatos vel punctiformes per 

 totam superficiem sparsos efficientes, dioici. Gametangia foeminea 

 breve cylindroidea, s;epe transverse triseptata, longitrorsum unise- 

 ptata (tunc plerumque 8-IoceIlata), denique loculis per septulos ge- 

 latinosos octonis (teste Reinke) in locellos quaternos subdivisis et 

 tunc ex toto 32 locellos praebentia; gametangia mascula (antheri- 

 dia) ut foeminea in pedicellis articulatis acro-pleurogena, numerose 

 et longitrorsum et transverse septata, cylindroideo-elongata. Zoo- 

 sporangia unilocularia (status Aglaozonice) cylindraceo-clavata, in 

 pagina superiori frondis sessilia, dense stipata et soros maculiformes 

 efficientia, 4-6 zoosporas emittentia (teste Reinke), paraphysibus 

 nullis concomitata. 



