Cyclospoi-inae, Sargassaccaj, Surgasstim. 111 



oviitis vcl oblongis, obtiisis vel Iiinc iiido acutiusculis, nuniorosis ; 

 receptaculis . . .?. Ad oras insulae « Karamane » (Faurot). — A S. Fre- 

 seniano J. A«^^ typico differt fo.Uis integerrimis acutiusculis. — Var. 

 karamancnse (irun. in l^ornet Algues du Tadjoura n. 11 : foliis 

 aiigustioribus, lanceolatis, acutiusculis, integcrrimis vel subrunci- 

 nato-dentatis, obscure vel sordide fuscis, mcnibranaceis; vesicu- 

 lis obovatis vel subspha^ricis, nuiticis vel breviter apiculatis ; rc- 

 ceptaculis. . . . ?. Cum varietate pra^cedente. — Var. cbtusiuscuium 

 Grun. in De Toni & Paoletti Contrib. 11. Massaua e Suakini 

 n. 22 : foliis e basi obliqua late lanceolato-oblongis, obtusiusculis, 

 integerrimis vel obsolete crenulato-denticulatis, sordide fuscis, 

 membranaceis; vesiculis obovatis, muticis, sa^pe geminis; recepta- 

 culis . . . ?. In mari Rubro (R. Bhessanin). — A ^S'. Freseniano genuino 

 foliis minus obtusis angustioribus subintegerrimis parum differt. 

 — Var. rigescsns Grun. in Piccone Manipolo Alglie del mar 

 Rosso 1889, p. 12 : foliis e basi cuneata oblongis, obtusis, subar- 

 cuatis, denticulatis, obscure fuscis, rigidis ; vesiculis obovatis, ob- 

 tusis, minute glandulosis. Ad insulam « Disei » pr. Massauam in 

 mari Rubro, cuni Mclohesia farinosa (Maiicacci). — Var. ? ilicifo- 

 lio'des Grun. in Piccone 1. c. p. 12: ramis gracilibus; foliis e basi 

 obliciue cuneata elliptico-oblongis, brevibus, obtusis, acute denticu- 

 latis, fuscescentibus, membranaceis; vesiculis petiolo tenui rarius 

 sursum dilatato suffultis; receptaculis masculis juvenilibus parvis, 

 teretiusculis, inermibus, singulis vel parce aggregatis. x\.d insulam 

 «Adjuz» pr. Massauam in mari Rubro, cum Melohesia farinosa 

 epiphytica (Maucacci) ; etiam ad insulam « Karaniane » (E'auuot sec. 

 Gkunow). — Ca3spes altus, densus at caulis subcompressus, callo 

 instructus, subtilis, 1,5 mm. circ. crassus; folia 8-18 mm. longa, 

 3-7 mm. lata; vesiculae 2-6 mm. longse, 1-3 mm. latte. — Var. ? 

 adenense Grun. in Piccone 1. c. p. 12: foliis majoribus e basi obli- 

 qua cuneata ovato-oblongis, subintegerrimis, parce minuteque glan- 

 dulosis, subolivaceo-fuscescentibus; vesiculis parum majoribus, 

 obtusis vel breviter apiculatis, plerumque binis. Ad «Aden» maris 

 Rubri (OnsiNi). — Chartoe adhreret (Anne pars inferior Sargassi 

 Freseniani?). Fragmentum 18 cm. altum; folia 16-37 mm. longa, 

 7-13 mni. lata; vesicuhie 7-8 mm. longce, 4,5-5 mm. latiB. 

 170. Sargassum Saltii Tum. J. Ag. Sp. I, p. 345, Sp. Sarg. Austral. no 

 p. 125, Fuciis Saltii Turn. Hist. Fuc. n. 213, Carpacanthus Saltii 

 Kuetz. Sp. p. 623, Tab. Phyc. XI, t. 38. — Caulej?) filiforjui tere- 

 tiusculo, foliis obovato-cuneiformibus, integerrimis crenulatisve. eva- 



