riijuozoospiiriii:!', I.:iiiiiiiai'i;icca;, Neivoi-.vstis. '.^Cu 



Ocoiiiii l»:iriliri so|il,Milri ilis Wo.snessknski); ail liUus ( alilnniin' 



'C. L. .\m.ki;soN;. 



PELAGOPHYCUS Aroscli. [1881] iii Botaniskn Xotiscr 1881. p. lil. ob- 

 scrv. phycol. V 1881'. |i. <; 'i-ltyiii. pelayos iiolaous ol jiliiii-ns rucus , 

 DeToni Syst. rrhrrs. lMic,.i,l. |8!l|, p, 177. KJolliii. in Kn-I. <\i l'niiitl 

 Xutiirl. Ptlan/cnraiii. \)'i . Liol'. p. '259, Xereocyslkl/s sp. .\r,'-cli. 



— Radix raniosa?; trnaous longissiinus, in aqua teres si,'cns c.im- 

 pressiis) basi attr-miatus ot farotus, longc suhliliforniis. (I,'in civus 

 ot apice in vosi,'iil;iiii ,',iuspicuiiiii iii ;ipicis cMitni nu;itii,ii- hnni- 



IKIS (folia) gig;illl';is p,'t,i,.l;it;i,s lii;irgill,Miu,. cili,i,l;i,s g..rclll,,.|ll ilcsi- 



noiis: p,.t,i,ili iii scTiiiii,' ti-;iiisv,.rs;ili ,irhcni l;u.mi;iriiiu ,i.triiilr >. 



couiprcssi ,.t l;irct.i, SpuiMii,ui:i, in;,.,|il;ili;i. lii;ij,,r;i, ri uiiiciM. iliii 

 cuiu p;ir;ipliysihus hisci^iiu :unpliuscul;iiii iii luuiinaruin supcrlicio 

 efficieutia. 



1 Pelagophycus giganteus Aresch. in Botanislca Notisor 18S1, ]i m. 

 (ilis,.rv. phycol. V. p. (;. Xireoc!/sfis gigantea A.resch. in ll,it.:inisk;i 

 Notisor I87ti, p. 71. F;ui. iii Biill. Torrey Bot. Cluh XVI ii. 1. p. 7. 



— Cliaracteres generis. 



Hal>. in mari australi prope Sanctuni Fnniciscuiu (1)''. EisenJ 

 et circa Sanctaui Crucem (C. L. Andeksox), prope «S. Diego» ct 

 «Todas Santos Bay» (Orcutt, Clevel.\nd, Eigenmanx, Kaulow). — 

 Truncus (hasi non visa) 2 metr., (1') cin. circitcr lougus; vosicula 

 laminas ferens 6 (-12) cm. longa, 3 cm. lat,;i; pctioli :iil ^."i cni. 

 longi; laininw foliixcefo 5-0 metni et ultni, longa\ 35-o7 cm. latie. 



NEREOCYSTIS Post. ot Rupr. i:i810] Illustr. alg. p. 9, t. 3'J, f. 20- 

 30 (Etyra. Nereos nomen mithologicum et cystis vesica), Kuetz. Sp. 

 p. 584, J. Ag. Sp. I, p. 148. Aresch. Observ. Pliycol. V, p. 5. De Toni 

 Syst. Uebers. Fucoid. 1891. p. 177. Kjollm. in Eiigl. i^v- Pnuitl Xaturl. 

 Pflanzenfam. 97. Lief. p. 259, Vlnr, Laniintiriir ot Furi sp. :iu,-t. 

 veter. — Radix ramosa. Truncus siinplox, tores, a hasi ;ei]ualiter lili- 

 formis, apice vesiculain ovalem gerens ; medulla in inferiori tenuiori- 

 (iue partc trunci iu sectione transversali elliptica, canalibus circuni- 

 (lata et orbis irregularis lacunaruni muciferarum intra interiorem ror- 

 ticem; vesicula in apice trunci jam in juvenili planta evoluta apice 

 folium gerens dein divisum in duas laminas, unam ad dexteram , al- 

 teram ad sinistram (quarum utriusciue iterata divisione denique fa- 

 sciculus laininarum efformatur). LamiUcT nninerosissimte, srepe ad 



