Pliincizoosporinfe, Cliordarirtceno, Mesogloia. 425 



].. -m. Mesnf/hnt Spron-. (1827], Tricliodadia Harv. [1830] iii 

 IMack. Fi. Ilili. III. p. 183, IMminthocladia Harv. [1838] Gen. Soiith 

 .\IVic. 1)1. p. X\l non llclminthocladia. J. Ajj;., Alci/onidium La- 

 iiKHir. [1813], RhiipsojilijisiiUs 'l'aru-. :i8|!)]. — Frons .•vliii,lnic(M. 

 niiuosa. intra f^elatiniun (■(iliiliriitem uboriorom axi (■oiiliinKi lili-^- 

 i|iic pcriplieriois nidiantilius (■(institiita. Axis solidcsceus lilis coii- 

 stans plurimis, aliis lon;;itndinaliter, aliis transvcrsaliter sine or- 

 dino (■(iiispicun oxcurrciitibus. in regione ccntrali deniuni numero- 

 siorihiis. iiiiiuilius (lisianlilius :il, invicem anastomosibus conjunctis, 

 collulis sti-atiiiii siilipcriplioriciiiii rormantibns dilatatis brevioribus 

 interioribus augustioribus. Fila poripherica clavata iiifoi-no raiiidsa 

 fasciculata, deorsum articulis e dolioliforini cvliudnicois, sursuui 

 articulis subglobosis majoribus composita. Sporangia plurilocula- 

 ria (?) e transformatiouo articnlorum superiornm (?) lilorum radian- 

 tium orta. Sporangia nnilocnlaria plerunique obovata, ad basin 

 liloruiii iioriplioricoruin ovoluta. 



Mesogloia vermiculata (Engl. Bot.) Le Jol. Liste Alg. Chcrb. p. 87, 

 Hijiuck Meorosalgon p. 363, De Toui cVi Levi Fl. Alg. Ven. H, p. 87, 

 Ardiss. Phyc. Med. II, p. 103, Mesogloia vermicularis Ag. Syn. 

 Alg. Scand. p. 126, Syst. p. 51, Lyngb. Hydrophyt. Dan. p. 190, 

 t. 65. B, Harv. Phyc. Brit. tab. 31, J. Ag. Sp. I, p. 58, Johnst. 

 & Cniall lirit. Sca Weeds III, p. 111, t. 168, Ilelminthocladia 

 vermicidaris Harv. Gen. South Afr. Pl. pag. 397, Man. p. 45, Me- 

 sogloia vermicularis var. septentrionalis Kuetz. Sp. p. 545, Alcijo- 

 nidiwm vermiculatum Lamour. Essai p. 71, Rivularia vermi- 

 calata Engl. Bot. tab. 1818, Mesogloia lanosa Crouan Alg. mar. 

 Finist. n. 51, FI. Finist. p. 106 fide J. Agardh, Ciuclopliora ver- 

 miculata Hook. Fl. Scot. II, p. 75, Trichocladia vermicularis 

 Harv. in Mack. FI. Hibern. III, p. 180. — Fronde cylindracea, 

 ina^qualiter incrass'at'a, fuscescente, rauiosissiuia, ramis patentibus 

 utrinque attenuatis, cellulis infraperiphericis grossis oblongis ana- 

 stomosantibus pauciseriatis , articulis filorum radiantium diamctro 

 sosquilongioribus. 



Ilah. ad aliasAlgas et ad rupes in occano Atlantico e littoro 

 Norvegire et Dania3 usque ad Galliam (Crou.\n) et ad Gades Hispa- 

 nise; ad oras Bermudse (Murray, Kemp); in sinu Codano: in sinu 

 Lugdunensi; gallico ad Massiliam (Castagne), in raari ligustico ad 

 « Genova » (Ardissone), in mari Adriatico ad « Pirano » (Titius), ad 

 Terge>ste (Cont.irini) et Venetias (Zanardini), in Mediterraneo in- 



