riueozoos;p triiiiu, LMiniiiMi ia Tai, niiilai'i;i. 333 



ll((h. iii mari OclioUMisi (Uui'11eciit,. — l^^st rorsaii forina Ala- 

 rid' gi-andiloli.d' J. Ag. 



Species a genere exclnsa. 



21. Alaria amplexicaulis Mart. Preuss. Expcd. nach Ost-Asien p. 111 

 est Undaria pinnatifida (Harv.) Surlng. 



UNDARIA Suring. [1873] Illustr. Alg. du Japon p. 77 (Etyni. unda, 

 unckv), ULopteryx Kjellm. [1885] in Kjellm. & Pcters. Om Japans 

 Laminariaceer p. 274, Engl. & Pnintl Natiirl. Pflanzcnfam. 97, p. 

 255, Do Toni Syst. Uebers. Fucoid. 1891, p. 177, Alarice sp. Harv. 

 et Martens. — Pi-adix fibrosa; stipes alatus, alis demum latissimis, 

 undulato-plicatis, soriferis; lainina cryptostomitibus pnedita. co- 

 stata, pinnatim ramosa; sorus in alis stipitis dilatati cxpansus, 

 sporangia unilocularia elongato-ellipsoidea vel subclav [eformia inter 

 paraphyses liueari-clava^formes unicellulares dense stipatas fovens. 

 Obs. Habitus et structura Alaricv at pinnarum fructiferarum 

 loco stipes demum collari proprio, ex ejus marginibus utrinque 

 in alam continuam cucullato-undulatam excrescentibus formato 

 pra3ditus. 



1. Undarla pinnatifida (Harv.) Suring. Illustr. Alg. du Japon (187;>!), mo 

 p. 77, t. VI-VIII!, De Toni Phyceoe japonicie (1895), Alaria pin- 

 natifida Harv. New Alg. coll. by C. Wright in Proceed. Amer. 

 Acad. Vol. IV, 1859, p. 329, Suring. Alg. Japon. t. X, Alaria am- 

 plc-dcaulis Mart. Tange Preuss. Exped. Ost-Asien p. 114, Ulopte- 

 rijx pinnatificla Kjellm. in Kjellm. & Peters. Oin Jap ans Lamin. 

 (1885!), p. 275, t. XI!. — Radice fibroso-fasciculata, stipite basi 

 terete vel compresso, mox ancipite sursuui complanato, in laminam 

 desinente tenuem, membranaceam, fusco-viridem, punctulatam, am- 

 bitu ovatam vel oblongam. profunde pinnatifidani, laciniis lineari- 

 oblongis plerumque sursum arcuatis obtusis, iiitegris vel passim 

 bifidis, summis deniciue obliteratis, infimis (junioribus) brevissimis 

 usque denticuliformibus ; collari carnoso crasso plicis suis stipitem 

 amplectente. 



Ilah. ad rupes aqua marina inundatas ad « Simoda » (C. Wuigiit, 

 Harvey), « Nangasaki » (Schottmueller, M.yrtens), « Goto » (Kjell- 

 MAN, Petersen) aliaque loca Japonia3 (Suringar, Okamura, De 

 Toni). 



