Cyclosporiiue, Sargassaccao, Cystoseira. l7o 



(KuETZixG, Dalsamo, Langenbacii), Sarclini;!? (Moris, Piccone, Gen- 

 NARi), Corsicfio (Soleirol), Istriae (Berini, Kuetzing), DalmatiiB (Vi- 

 DoviCH, Kellner, Piccone), Grascia? (Bory), Algeriai (Montagne); 

 ad Gades (J. Agardh); ad Gibraltar libere iiataus (Piccone); ad 

 insiilas Capitis Yiridis (Piccone) et Fortunatas (D' Albertis, Bolle, 

 Piccone). Specimina Atlantica a nonnullis venditata ad Cf/stoseira/n 

 (Uscordem pertinerc videntur. — Frons usque ad 10 dm. alta, inferne 

 3-6 millim. lata. Caulis in Iiac specie ceterarum analogus vix ullus, 

 sed frondes a radice immediate proveniunt. Folia juniora et radi- 

 calia compressa potius quam plana, obsolete costata, in exsiccata 

 planta rugosa, coriacea, pinnatifida; laciniae basi attenuata^ angusto 

 IanceoIata\ margine integr?e, apice rotundatse, simplices aut laciniis 

 obtusissimis pinnatifida^. Frondes adultiores foliorum evolutione 

 orta?, unde revera eadein ramificatio, sed rami sensim magis fili- 

 formes evadunt et obsoletius disticbi, decoinpositi, nullo muricu- 

 lorum vestigio. Ramuli vesicula ampla demum usque 2 cm. longa 

 et 2 millim. et ultra lata, compresso-cylindracea, receptacula gerente, 

 toti fere constituuntur. Receptacula minuta, vix 4,5 niillim. longa, 

 ovato-acuminata, simplicia aut furcata, e vesiculis disticha fiin- 

 briantia apice numerosiora; oospora^ matura^ globosa?, 100 y. diam.; 

 paraphyses parce ramoste, articulis diametro usque 4-pIo longio- 

 ribus. — var. " macrocarpa (Kuetz.), Cystoseira macrocarpa Kuetz. 

 Tab. Phyc. X, pag. 18. t. 48, f. 3: receptaculis maxime elongatis, 

 longe pedunculatis. Ad oras Novie HoIIandijie (Sonder). 

 15. Cystoseira fibrosa (Huds.) Ag. Sp. p. 65, Syst. p. 285, Harv. Phyc. 276 

 Brit. tab. 133, J. Ag. Sp. I. pag. 226, Johnst. & Croall Brit. Sea 

 Wecds III, p. 11, t. 134, Fucus fihrosus Huds. Fl. angl. p. 575, 

 Stackh. Ner. brit. p. 80, tab. 14, Turn. Hist. Fuc. tab. 209, Engl. 

 Bot. tab. 1969, Fucus ahrotanoides Gmel. Fuc. p. 89, Esper Ic. 

 p. 108. t. 54, Fucus setaceus Huds. FI. Angl. p. 575, Fucus hac- 

 catus Gmel. Fuc. p. 90, t. 3, f. 2, Esper Ic. p. 108, t. 54, Cysto- 

 seira discors var. linearis Ag. Sp. p. 65, Cystoseira scojmria et 

 C. nigra Bory (fide J. Agardh), Cystoseira tliesiophylla Duby Bot. 

 Gall. II, p. 937, Kuetz. Sp. p. 602, Fucus thesiopliyllus Lamour. 

 fide Duby. — Caule trunciformi elongato compresso distiche pin- 

 nato, ramis junioribus planis, costatis, linearibus, integerrimis, ad- 

 ultioribus levibus decomposito-pinnatis; vesiculis solitariis vel pau- 

 cis distanter concatenatis, ramo pinnato coronatis ; receptaculis lon- 

 gissimis, linearibus vel lineari-lanceolatis, verrucosis, ramulis spi- 

 nuliformibus obsitis. 



