Cycl<)spon'n;o, SarA'assacoae, Cystoscira. 165 



rorines iini^usLissimi, cirr. 1 niiHiiii, I;iti, intogorrinii, ecostati, ;ulul- 

 tiorcs lilirornios, spinis plus niinus donsis obsiti. Spin?e dcnsiores, 

 2 niillini. ot ultr;i longTe, basi glandulosa;, simplices aut superne fur- 

 Ciit-ro, eximie patentes et supronicTe fructificantes omnino divaricatse. 

 Rocoptacula (scc. Meneghini) o l);isibns vix contiguis inflatis spi- 

 narum orta, vorrucoso-filiformia, ;ipicibus spin;irum longis munita, 

 (soc. Valiante) versus apicom ramorum ranmlorumquo quos infiant 

 sita. Oospora? oblonga? piriformes. Color plant^e dilute fuscescens. 

 Cystoseira concateiiata (L.?) Ag. Sp. p. 57, Syst. p. 283, J. Ag. 267 

 Sp. T. p. 218, Mont. Fl. d'Algerie p. 15, t. 6!, Ardiss. Phyc. Med. 

 II. p. 80, Fucus concatenatus L. Sp. plant. II, p. 1628?, Phylla- 

 cantha concatenata Kuetz. Phyc. gener. p. 355, Sp. p. 59(3, Tab. 

 Phyc. X, t. 29, f. II, Cystoseira granulata var. concatenata Me- 

 negh. Alg. ital. dalm. p. 61, Phyllacantlia. Boryana Kuetz. Phyc. 

 gencr. p. 355, Sp. p. 597, Tab. Phyc. X, t. 29, f. III (non Hohen- 

 ackcr Mceralg. n. 553, quse verisimillime ad Cystoseiram granu- 

 latam pertinet), Phyllacantha setacea Kuctz. Phyc. gener. p. 356, 

 Sp. p. 598, Tab. Phyc.X,t. 33, f. III-IV, Phyllacantha trichophylla 

 Kuetz. Phyc. gener. p. 356, Sp. p. 598, Tab. Phyc. X, t. 34, f. I, Cysto- 

 seira setacca Picc. Fl. Alg. Sard. n. 211, Cr. del Corsaro p. 28, 

 Phyllacantha ramosissima Kuctz. Sp. p. 596, Phyllacantha oliga- 

 cantha Kuctz. in Bot. Zeit. 1847, p. 52, Sp. p. 596, Tab. Phyc. X, 

 t. 30, f. II. — Caule trunciformi graciliori, frondibus basi incrassata 

 levibus pinnato-ramosissimis, ramis oppositis, junioribus planis co- 

 statis linearibus basi simpliciusculis apice pinnatifidis, adultioribus 

 filiformibus laxe spinosis, spinis subulatis solitariis ; receptaculis 

 lancoolato-ovoideis; vesiculis ellipsoideis, concatenatis. 



Hal). in mari Meditcrraneo ad oras insula3 Sardiniaj (Piccone), 

 Liguri^B (Kuetzing, Straffoiiello), sinus Neapolitani et Terracinfe 

 (Kuetzing), Greecioe (Bory), Algeria? (Montagne) ; ? in mari Adria- 

 tico orientali (Hb. Zanardini); inter Malagam et Gibraltar (Haen- 

 seler, D' Albertis, Piccone) ; in oceano Atlantico ad litora Lu- 

 sitania3 circa Olyssiponam (Martius) , Hispanise ad Gades ( Ca- 

 brera), Africte ad Tingin (Salzman), ad insulas Fortunatas (Langs- 

 dorf), ad littora Ternc Novse America? borealis (Kuetzing). — 

 Frons juvenilis e caule surgit pollicari, apice in ramos paucos 

 ;il)eunte. Rami isti inferne folia plana linearia costata usque ad 4 

 millim. lata ct 4,5-7 cm. longa, infernc integcrrima, apice incisa, 

 gcrunt, superne in folia pinnatifida et dentata, mox vesiculosa. sol- 

 vuntur. Stirps adulta caule gaudet 4-7 cm. longo, penn;Te anso^ 



