160 Cryptoneme^. GloiosipJionia. 



TRIBIS I. IVEMASTOMEi;. 



Frons Dlis elonjjatis contexta; interioribus lonfTJtiitlinalibiis arlicula- 

 tis, exterioribus verlicalKbas moniliformibus dicbotomo-fasligia- 

 tis. Favelloe nucleus simples, froncli aut strato Neraatliccioideo 

 immersus, secedentibusfilis corticalibus demum liberatus. Splioe- 

 rospora} inter fila corticalia sparsoe vel in INematlieciis externis 

 evolut.Te, cruciatim aut zonatira divisfe. 



XYIII. GlOIOSIPHONIA Carm. mscr. Bcrk. Glean. Br. Alg. 

 p. 4o tah. 17 fig. 3. Harv. Man. p. 49. J. Ag. Sginb. Cont. 

 I. p. /j53. Harv. Pfiyc. tab. LVII. Kiltz. sp. p. 814. Lands- 

 borough in Ann. and. Mag. of Nat. Hist. n. 9 1 p. 233. 

 INIesojiloife sp. Ag. et Auct. Duraontia sp. Gaill. et Auct. Gi- 

 gartinoe sp. Lamour. 



Frons teretiuscula gelatinosa quoquoversum raraosa, axi filaraentoso 

 tubuloso filisque investientibus, stratum peripbericura continuum 

 formantibus, constans; axis filis dense intertextis lonp.itudinali- 

 bus articulatis ramosisque, in niedio lasioribus tubura sub- 

 vacuura forraantibus, constitutus; fila peripberica subverticillata, 

 demura densissiraa, moniliforraia, dicliotoma, fastigiata, invicera 

 libera, Favellce imraersre, strato periplierico obtectoe, intra 

 merabranara gelatinosara byalinara gemmidia plurima rotundata 

 foventes. SphwrosporcB. . . . (Haro. Phycol. Brit.tab. LVILJ 



Frondes gelatinoso-cartilaginefe, teretes, tubulosoe, pleruraque 

 indivisoe at rarais lateralibus plurirais eodera modo decompositis 

 obsitae. Axis juveniliuni partium constat lilis paucis articulatis^ fila 

 periplierica subverticillalira eraittentibus; fila axis ramosa sensim 

 plura evadunt^ et in raedio laxiora, spatiura tubulosura vacuum, aut 

 tantura sparsissimis filis percursum, linquentia; extrorsura sensim 

 densius fit stratura axile, (filis decurrentibns?) et in inferiore planta 

 filis densissiniis constituitur; fila b;ec exteriora tenuiora et longiori- 

 bus distantiis articulata. Fila periplierica moniliforniiter articiilata 

 dicliotoraa fastigiata, extrorsum stratura continiium formantia; arti- 

 culi interiores longiores oblongi, extcriores breviores ellipsoidei et 

 subsplK-erici. Favellae ad articulos inferiores filorura peripbeiiic ad- 

 llxai videntur, conniventibiis rarais superioribus obtectiie, et ita strato 

 peripberico iinraersoc; nucleus conslat geramidiis rotundatis pluri- 



