143 



2. LAMINARIA BREVIPES Ag. 



Z. stipite a radice exigua demum Jihrosa, tereti solido perhrem, 

 in laminam ovato-linearem aut reniformem demum irregula- 

 riter jissam ex^anso. 



Laminaria, brevipes Ag. iSp. I, p. 116. — Syst. jp. 272, — J. Ag. 

 Alg. med. p. 45. — Sp. I, p. 133. 



L. PURPURASCENS Ag. Sp. I, p. 117. — Syst. p. 272. 



L. PAPYRiNA Borg Dict. class. 2X, p. 189, [excl. sgn. sec. J. Ag.). 



L. RENiFORMis et ELLiPTiGA Moutg. FI. cV Algèv. p. 23 et seq^. tab. 8 

 et ^. 



Abit. Mediterr. occid. e Golfo di Lione a Marsiglia (sec. gli 

 autori). 



i^JLCeORlllZlL Dela PyL 



Frons plana ecostata, integra vel palmatim fissa, in stipite plano 

 indiviso, demum margine undulato alato terminalis, rupibus 

 per espansionem supra radicem jibrosam evolutam, scutelli- 

 formem denique in sacculum cavum protensam adnata, stratis 

 dudbus contexta ; interiore cellulis maximis minoribus inter- 

 mixtis, exteriore cellulis mimitis, omnibus Jiyalinis in paren- 

 chima continuum arde conjunctis. Zoosporangia unilocularia 

 elong ato-ellip sol dea, inter paranemata simplicia densissime 

 stipata, in soros collecta. Sori irregulariter expansi in alis 

 undulatis stipi tis super flciales. 



Saggorhiza Dela Pyl. FI. Terr. Neuv. p. 23, (ex auct.). — /. Ag, 

 Sp. I, p. 137. 



Haligenia Decne. — Kg. Sp. p. 577. — Tìmr. RechercTi, p. 241, 

 pi. 30, Jig. 5-10. 



