422 HELMINTHOCIADEJE. Scinaia. 



Striictura frond is ct fnictus jjemis a Halymcnia IOIIMWS reccdit, 

 (,-t revora fructus consimillima struclura Ncmalioni aflinifatc proxi- 

 inum, licet pcripherico stralo in iiiombranain ccllulosam coalcsconte 

 hand parura differat. Spcciem altcram, affinitate mi hi valde dubiam, 

 diicc Kiit/ingio, adjcci. 



1. Sc. Ft 1 

 cylii 

 gela 



Ulva 



Scin. 



Gina 



Giorn. B 

 6/7. p. 71 



Haly 

 Man. p. 

 p. 548! 



Ulva 



Dun 



DllIllUIHIU U1LJUCI/1U M^uiltuift i^uu. r . - 



Fucus pseudocrispus Clem. Ens. p. 311! 

 Fucus Stacktiousi Clem. Ens. p. 312? 

 Fucus Succosus Schnusb.! 

 Sehestcdtia liumilis Schousb.\ 

 Exs. Wyatt Danm. n:o "70! 



Var. ft. undulaia frondis incmbrana undiilato-collapsa. 



Ilalymenia undulata J. Ay. mscr. 



Ginannia undulata Mont. Bonite p. 59 tab. I4o fig. 3. 



Var. y. subcoslata frondo latiori ovidoiitins costata, hie illic con- 

 stricta. 

 Hal. furcollala var. subcostata /. Ay. Alg. med. p. 98. Harv. P/iyc. I. c. 



Hal), in ocoano allantico a Hclgolandia! uscjiie ad Tinjjin!; in 

 inari adriatico (Hiasolclto!); in ocoano australi ad Cap. b. Spui 

 'J'asmaniam ct Nov. Xelandiam (Harvey); var. t i. in oceano pacilico 

 ad littora Chilonsia (lib. Hinder!) et insulas Sandwich (Harvey). 



C;rs[)(.'s suliliemispliipriciis, 2 6-pollicaris. Frondes crassitic lu-nnam 

 columbinain vcl usque ansurinam acquantcs, ali(inaiidu crassiores, cylin- 

 dracca; ant siiltcompn.'ssa 1 , aujuules nut sporsim attenuato-coiistricta 1 , stri- 

 i-tuiam versus luugius aut lirevius attenuata-, segnientis novis a strictura 

 :-a'l'C i)ulluloiitibus, dichotomo-fastigiatee, axillis pateulibus acutiusculis. 

 Sivmni'iila suljjLMiiie c.rassa, superiora aliquandu paulo crassiora, cxsicca- 

 liouc iilerunique mayis i[uam inferiora collabentia et for mam lingulatam 



