Cyclosporiiias, Sai'gassacc;o, Sargassuni. 2:-) 



(libus rainorum adparcnter coniplanato-ancipitibus, raniis ad ortuni 

 rotrolractis e latere phino egredienUl)us. roliis lanccolato-linearibus 

 (iuplicato-serratis costatis; vcsiculis spha^.rico-cUipsoideis. folio co- 

 ronatis; receptaculis. . . . 



Ilah. in niari Japonico (Tilesius). — Rachidcs pluripedales, 2 

 uuii. circ. hit;e, ancipites seu potius phmie et costa evidenti per- 

 curs;c, ramis a latere plano dimidio ohlique egredientihus, ortu 

 retrofractis, folio fulcranti majori numitis. Folia majora usque 4- 

 pollicaria et unguem ferc lata, huiccolato-linearia, evidenter costata, 

 eroso-dentata ; superiora hreviora, attamen hipollicaria et 4-7 nnn. 

 lata, acute et s?epe duplicato-serrata. Vcsicula^ magnitudine semen 

 Pisi superantes, sphauico-ellipsoidea? et folio cvidenti tcrminata'. 

 IS. tortili proximc aflfine sed caule plano (juasi costa crassiore 

 percurso, foliis latiorihus minus profunde incisis et plerumque 

 duplicato-serratis vesiculisque paulo majoril)us distinguenda. A 

 »S'. longifolio, cum quo olini confusum, longius distat, ramis eximie 

 retrofractis et c laterihus planis, nec e margine caulis, egredien- 

 til)us, nullo ncgotio distinguitur. 



27. Sargassum tortile Ag. Sp. p. 15, Syst. p. 299, J. Ag. Sp. I, p. 291, n 

 Sp. Sarg. Austral. p. (30, Fucus tortilis Ag. Dec. n. 2, Fucus lon- 

 gifolius var. angustifolius Turn. Hist. Fuc. II, p. 88, t. 104, f. h, 

 Ilalociiloa tortilis Kuctz. Phyc. gener. p. 367, Sp. p. 633, Tah. 

 Phyc. X, t 99, Halochloa serratifolia Kuetz. Tah. Phyc. X, t. 99 ? 

 (Cfr. -6'. serratifolium) , Halocliloa Silicpiasfrtini Kuctz. Sp. p. 634, 

 Halochloa macracantha Kuctz. Phyc. gcner. p. 366. Sp. p. 633, 

 Tah. Phyc. X, t. 97. — Pachidihus ramorum tri(|uetris, ramis ad 

 ortum retrofractis, foliis lanceolato-Iincarihus acute inciso-serratis 

 costatis; vesiculis in petiolo teretiusculo sphan"ico-eIIipsoideis folio 

 coronatis; receptaculis clavato-cylindraceis, in pcdiccllo ipsis hrc- 

 viore insidentibus. 



Hah. in mari Ja.ponico ad « Nagasaki » (Tilesius, Henschel). 

 — Rachides triquetme, crassitie penna' corviuBe, pluripedales, inferne 

 folia superne ramos conforines alterne emittentes. Folia inferiora 

 lanceolata, integriuscula aut parum profunde serrata, 2-2,5 cm. lon- 

 ga, superiora sensim longiora us^iuc ad decimctrum longa, et pro- 

 fundius incisa, incisuris fere costani attingentihus. Yesiculfc Pisi 

 semiiie minores. Color planta> cxsiccata' nigrcscens. suhstantia fo- 

 lioruin membranacea. 



28. Sargassum scoparium (Turn.) Ag. Sp. p. 26, J. Ag. Sp. I, p. 292, 28 

 Sp. Sarg. Austral. pag. (iO, Fucus scoparius Turn. Hist. Fuc. II. 



