Cyclosi)oriii:i', S;u'fjras.sacca), Sai';,'assiini. 03 



linivoiiioiiti;i): l'(iliis lntiiisculis rulciilis, pr:ooi|mo oxtcriori iiuirt,'iiio 

 (loiituto-sorratis. — 1 Rueppelii .1. .N,','. Sp. SMr^,'. Austnil. p. !I0, 

 Sdjyassum liucjjpc/u .L A^'. Al^'. Riippol. ii. 1, Fucus SaltiiTuni. 

 Hist. Fuc. tab. 218, Kuetz. Tab. Phyc. XI, tab. 38?: foliis mino- 

 ribus, (lontatis, vesiculis in ramulo numcrosis, s<iepc fere obovatis. 



— r Figareanum (I>o Not.) .). \<i. Sp. Sar^,'. Austral. p. !»(;, Sar- 

 (jas.siiii( Fif/arcanu/» l)c. Not. Al^'. del M. llosso p. '20: foliis 

 iiiat,'is iiHMuiiranaceis, roceptaculis inaturescentibus suliinermibus. 



— f. brevifolium J. A^;. Sp. Sarg. Austral. p. 96: foliis supra ba- 

 sim obli([uam obovato-dilatatis, diametro transversali vix duplo 

 longioribus. — Var. massauense Grun. in Piccone Alghe della 

 Vettor Pisani p. 4(> : foliis parvis, o basi cuneata subobli^iua late 

 lineari-oblongis, olitiisis, conspique glandulosis, acute dentatis, ri- 

 gidiusculis, obscuro fusc.is; vesiculis parvis, sphajricis vel subob- 

 longis, parce glandulosis ; receptaculis subcuneatis, spinosis, sub- 

 ancipitibus, cum vesiculis intermixtis subracemosis. Ad Massauam 

 in mari Rubro (C. Mauc.\cgi). — Var. euryphyllum Cirun. in De Toni 

 & Paoletti Contrib. fl. Massaua e Suakim, n. 25, S. ilicifolium 

 Kiitz. Tab. phyc. ? nec Ag. : foliis latis subduplicato-deutatis, mem- 

 brauaceis, vesiculis splijoricis. In mari Rubro praH'ipuo australiori. 



Ad Sargassum subrepandum (Forsk.) Ag. accedere viderentur: 



94. Sargassum Arnaudianum Mont. Pugillus Algar. Yemens. n. i, Syll. 

 crypt. n. 1388. — Caule (auct.) elato, compresso, virgato-dichotomo. 

 circumscriptione pyramidato aut elliptico, ramis e margine alternis 

 sensim brevioribus ; foliis lanceolato-linearibus, dentatis, nervo con- 

 tinuo cryi)tostomatibusque sparsis instructis ; vesiculis globosis, pe- 

 tiolo plano fultis; receptaculis subsolitariis, minutis, oblongis, spi- 

 nulosis; sporis maximis. 



Hah. circa Hodeidam maris Rubri (Aux.\.ud & Vaysiere) — 

 Cfr. otiam intor spocics dubias Sargassum Saltii (Turn.) ,J. Ag. 



95. Sargassum cyiindrocystum Fig. et De Not. Alg. Mar Rosso p. 15, 

 Zanard. Plant. mar. Rubr. Enum. p. 234, n. 12. — Rachidibus ra- 

 morum filiformibus teretiusculis levissimis, irregulariter ramosis, 

 heterophyllis; foliis evanescenti-costatis, sparsim glandulosis, infe- 

 rioribus ovato-oblongis, basi oblique cuneatis, dentatis, superioribus 

 linearibus integriusculis omnibus ci-yptostomatibus paucis minutis 

 sparsis instructis; vesiculis in petiolo teretiusculo ipsis multotios 

 breviore cylindraceis, longe subulato-aristatis, receptaculis e triquc- 



