490 Phfi^ozoosporinas, Enoo^liacese, HyJroclatlirus. 



Meoresalgen p. 393, De Toiii & Levi Fl. Alg. Ycn. II, p. 94, 

 Ardiss. Phyc. Medit. II, p. 123, Mitchell in Murr. Phyc. Memoirs 

 p. IL p. 53, t. XIV, f. 1-G, t. XV, f. 1 !, Ulva sinuosa Roth Catal. 

 l)ot. IIL P- 327, tab. 12, fig. a, Asperococcus sinuosus Bory Morec 

 III. p. 326. J. Ag. Sp. I, p. 7.5, Menegh. Alg. Ital. p. 168, Enca-- 

 liu,n sinuosum Ag. Sp. I, p. 146 et Syst. p. 262, Kuetz. Sp. p. 

 552, Tab. Phyc. IX, t. 8, Stilophora vesicata Harv. Telfair n. 6, 

 in Hoolc. Journ. I, p. 117, Tremella rugulosa et cerina Cleni. 

 Ensayo p. 321, Zonaria sinuosa Ag. Syn. p. XX, Stilophora si- 

 nuosa Ag. Aufzahl. p. 17 sec. Zanardini, Nostoc mesenfericum 

 Delle Chaje Hydrophyt. Neap. t. LXXX, Ulca cavernosa Forslv. 

 Unio itin. ('?;, Enccelium vesicatuin Kuetz. Sp. p. 552. — Fronde 

 subhemisphffirica irregulariter complanata (ssepe frondibus pluribns 

 gregariis), estipitata, late expansa, bullato-sinuosa. 



Hab. in mari Mediterraneo et Adriatico frequens; in Atlantico 

 calidiori, ad Gades et Tingin; ad oras Brasilise (Lu.xd), ad « Vera 

 Cruz » Mexici (Liebmax) et insulas Maluinas (Hookeh) ; in mari 

 Bubro et oceano Indico ad « Madras »: ad insulam Franciae; in 

 oceano Pacifico ad Xovam Hollandiam (Preiss), ad littora Japouiae 

 (M.A.RTEXS, Okamura) ct Tasmaniffi (Hb. Z.\x.\.rdixi). — Frons hujus 

 est initio vcsicula hcmisphserica, basi plana super rupes expausa, 

 in juvenili statu minuta, sensim usque in magnitudiuem capitis 

 humani grandescens, varie lobata evadit atiiue bullosa, donec, par- 

 tibus omnibus non pari passu evolutis, frons hic illic rumpitur et 

 expansione circa factam lacunam continuante margines foraminis 

 involvuntui-, nova foramina oriuntur us<iue duni denique tota frons 

 reticulatim perforata est. Sec. Zanardiui I. c. frons nusquain dis- 

 rumpitur. 



HYDROCLATHRUS Bory [1826] in Dict. class. VIII, p.419(Etym. hydor 

 a<iua ot clcilhrijH clathrus), Born. et Thur.Etud. Phyc. p. 12, Kjellin. 

 in Engl.-Praiitl Natiirl. Pflanzenfam. 86. Lief. p. 203, Mitchell 

 in Murray Phyc. Mcmoirs II. part., p. 56, Halodictyon Kuetz. [1843] 

 Phyc. gener. p. 33G non Zanardini. Asperococci, Fuci, Stilophoro', 

 Enavlii sp. auct. — Frons ut in gencre Colpomenia at regula- 

 riter reticnlatim pertusa. Sporangia donnim por totam frondis su- 

 perficiem evoluta (nec ut in Colpomcnia tantuiu soros macu- 

 heformes efQcientia':. 



I Hytiroclathrus cancellatus liiTy Dict. clas.-. VIII. i» U'.», llurv. 



