SpHiEROCOCCOIDEjE. 57? 



(Hum xiii. si'ii i;i;(>(,(ii;i;oiii; i;. 



Spluerococcoidea) J. Ag. mscr. Floridearum genera C. Ag. et Auct. 

 Spban-ococcoidece et Delesserieae (excl. gener) J. Ag. Alg. meJ. 

 et Auct. Chondrieae, Sphseroeoccoideae et Gastrocarpese (pailiin) 

 Decsn. Class. Rhyncococceoe, Gelidieoe, CystGcIonieae, Sphtero- 

 coccene, Gigartineae et Delesseriece (quoad paries) Kiitz. Phyc. 

 et Sp. Alg. Delesseriea?, Chondrcse et Gracilaritc (partim) 'Na>g. 

 Neuer. Alg. Syst. 



Frons continua cellulosa, cellulis interioribus longitudinalibus, in 

 nonnullis elongalis et sacpe cosfani fonuantihus, exteriorihus 

 verticalibiis rotundatis angulatisvc. Cystocarpia in (rondo aul 

 pliyllis propriis prominenfia, intra pericarpium celliilostnu clan- 

 sum, dcimun carpostomio aperturn, gcininidia in lilis clavato- 

 nionililoi'inibus, apice invicciu libcris, a placenta hasali radiantibus 

 evoluta, in arliculis filorum pluribus singula, obovato-rotundata 

 fovenlia. Sphccrosporce inter cellulas strati periplierici im- 

 mersoc. 



Frondes a radice scutala, ali(]iiando librosa (Calliblepharis, De- 

 lesseriaj sp.) ercctiuscultc, forma vari;e, raro articulato-constricl.c 

 (Corallopsis), plerumqtic continua 1 , sa-pius teretes aut ex tereti- 

 complanata;, mine plansc crassiusculac (Galliblepbaris, Sarcodia, Botryo- 

 carpa), mine tonnes loliaceaj (Delesseriea;); Siipreiiue et quasi per- 

 lectiorcs costata; (IIcrin(>ia, Desmia, Spluerococcus, Delesseria) aul 

 venosoc, inferno siibcaulesccntcs (Mlopliylluin ct Ilymonona, Hotryo- 

 glossiim); inferiores aut immerse coslataj, nempe slrato tri[tlici 

 contexts (Melanlbalia, Thysanocladia, Sarcodia, Dicranema), aut oni- 

 nino ocostat.T et stralis diiobus constitula!. Costa aut tubo contrail 

 percurritur (Sph;icrococcus), aul ipso hoc lubo central! et unico 

 constat (lleringia, Desmia), aut tola librosa. Stratum intermedium 

 in costatis, alquc intimum in jjoneribus cosla destilutis. ccllulis 

 11. 38 



