Sl2 Ea-FIoridocT, Cystoelnnio<p. 



margines plantae matricis occupaiites, 2-4 inm. altse. Tctrasporail- 

 gia 18-30 u. diam. metientia. 



Pamilia III. RHODOPHYLLIDACEJl Schmitz. 



Rhodnph)/lUdacccv Sclimitz [1889] Syst. Uebers Florid. ]». 7, Schmitz et Hauiitfl. 

 in Natiu']. Pllanzenfam. 142 (1896), p. 366. 



Frons teres aiit compresso-plana aut foliacea, furcatirn aut late- 

 raliter ramosa, nonnunquam prolifera, s?epius struc-turam parenclij'- 

 maticam aut parenchymatico-filamentosam ostendens. Cystocarpia 

 sparsa, immersa aut plus minus prominula. Gonimoblastus in plures 

 lobos divisus, lobis e cellulis auxiliaribus introrsum quoquoversum 

 radiantibus, carposporis acrogenis. Tetrasporangia zonatim divisa. 



Conspectus subfamiliarum. 



I. Tlialliis strncturam plus minus distincte filamentosam ostendens. 

 Ci/stocloniece. — Filamenta corticalia repetito (fnrcata cellulis versus periplie- 



riam gfadatim minoribus) e fasciculo centrali filorum medullarium longi- 

 trorsum excurrentium et repetito furcatorum cxorientia. Cellula auxilia- 

 ris in protuberantia quadara ramellos radiantes, extrorsum rarauloso-fasci- 

 culatos quoquoversum emittens. 

 PJiodophyllidem . — Cortex sa^pius tenuis, intus grosse, extus minute cellulo- 

 sus. Fars frondis mediana axi centrali tenui articulato, alterne lateraliter 

 ramoso percursa. Cellula auxiliaris caespitulos ramcllorum numcrosos quo- 

 quoversum aut locis detlnitis evolvens. 

 Solicyneoi. — Filamenta corticalia plurics furcata, introrsum laxiora, extror- 

 sum densiora (cellulis versus peripheriam gradatim decrescentibus) e fa- 

 sciculo centrali rdorum medullarium longitrorsura excurrentium et repe- 

 tito furcatorum exorientia. Cellula auxiliaris intra cavitatem nuclei fcrtilis 

 protuberantiam crassam apice numerosos ca>spitulos raraorum proferentem 

 emittens. 



II. Thallus structuram distinctissime filamentosam ostendens. 

 Tichocarpem. — Apices vegetativi nabellatim radiantes. CeHula auxiliaris ut 



in SoUericia. 



Subfamilia I. CYSTOCLONIEiE (Kuetz.) Schmitz. 



Cystoclonicaa Kuetz. [1843] Phyc. gener. p. 390, Schmitz [1889] Syst. Ue])crs. 

 Florid. pag. 7, Schmitz et Hauptfl. in Engl. & Prantl Natiir]. Pflanzcufam. 

 1-12 (1896), p. 368. 



Frons teres aut compresso-plana quasi foliacea, nonnunquam mo- 

 nilifornii-articulata ct ex articulis prolifora; filamenta corticalia, re- 



