CllYPTONEMEiE. 155 



Ordo II, CRYPTOMME^. 



CryptonemeaB J, Ag. Alg. med. p. 66, Endl. Gen. plant. Suppl. 

 lll. p. 36. Sond. Alg. Preiss. p. 24. Hook. et Harv. in Hooh. 

 Lond. Journ. IV. p. 546 etc. Montagn. Phycologie in Dict. 

 univ. p. 42 (miit. limit. ap. oranes); Floridearnm c^^nera C. 

 Ag. et Auct.; Gyranophlocaccfc, IIulymenieDe, Gigartineie, Geli- 

 dieoe, et Spliaerococceae (quoad partes) Kutzing. Spec. Algar; 

 Cryptonemea3, Fiircellariea?;, Chondriea}, Spha^rococcoideaj et Gas- 

 terocarpe»} (cjuoad partes) Decsne Classific. 



Frons ceilulis filirormibus rotundatisve brevioribus contexta, strato 

 continuo filorum raoniliformium aut cellularum verticalium 

 cincta. Cystocarpia frondi aut verrucis externis Nematliocioi- 

 deis immorsa, rarius intra poricarpium proprium excepta, nu- 

 cleo simplici (FavellaJ rotundato, intra periderma hyalinum 

 gelalinosum pemmidia plurima rotundato-anjjulata, nullo ordine 

 conglobata, fovente. Sphwrosporoi transformationc cellularum 

 corlicalium formata3 aut in Ncraalheciis evoluta?, immersa?. 

 Algfe plerumque coccineaj aut purpurascentes, nunc atrovirenti 

 suffusre, frondosa?, forma variae: aliquando cava;, nempe strato pe- 

 ripherico firmiori (cellulis arcte coalilis, rotundato-angulatis, sim- 

 plici aut paucis seriebus dispositis, contexto) constantes, intra quod 

 fila aut nulla aut sparsiora vel plurima, tamen laxa inter pa- 

 rietes extendimtur (Ilalymeniea)); sa^pius solidescontes, nunc pla- 

 na3 lato expansa?, raembranara integram vageve fissam referentes 

 (Seliizyraenia) , aut laciniata) et divisa} (Neraastoma} sp. , Epyme- 

 nia, Ciyptonemia) vel proprie pinnata? (Gratoloupia3 sp.); niinc 

 anf;ustiores p!ana3 aut compressa;, dicholoma} aiit pinnat;e (Grate- 

 loiipia? sp., Prionitis, Acrotylus sp. Fauchea), nunc teretiusculic (Glo- 

 iosiplionia, Furcellaria, Gloiocladia) aiit prisniatico-angulata) (Acro- 

 tylus sp.). Costa rarissinie adost, aiit spurio frondeni percurrens 

 (nhizopliyllis)j aut sensim in larainani ovanescens (Cryptoneraia) 



