Eu-Florideye, RhizophyllidacecO, Polyides. 166U 



Pamilia V. RHIZOPHYLLIDACEiE (Mont.) Schmitz 



Rhizophyllidaceai Mont. [1849] in D' Orb. Dict. X, p. 56 ( Rhizophyl/inen', excl. 



gen. Fauchea), J. Ag. Sp. II, p. 221 (Rhizophyllefv), Schmitz [1889] Syst. 



Uebers. Florid. p. 20, Engl. & Prantl Natiirl. PHanzenfam. (1897) p. B27. 

 Spongiocarpece Grev. [1830J Alg. Brit. p. 68. 



Frons teres aut ancipiti-compressa, notiniinquain articulato-con- 

 stricta, ([uandoque repens et dorsiventrali structura donata, plerum- 

 (lue structurani parum evidonter filanientosam pnebens. Cystocarpia 

 in nematheciis nodosis aut verrucoso-incrassatis plura aggregata. 

 Sporangia in strato corticali aut in nemattieciis per frondem sparsa, 

 cruciatira (scepius norma irregulari) aut zonatim divisa. 



Conspectus generum 



I. Apex vegetativus structnram Habellato-radiatam ostendens. Stratum medul- 

 lare densum. 



Polyides Ag. — Frons teres, cartilaginea, repetito furcatim ramosa. Sporangia 



sparsa. 

 RhodopeUis (Harv.) Schmitz. — Frons complanato, articulato-constricta, e ge- 



niculis prolifera, calce indurata. 



//. Apex vegetativus cellulas initiales 1-2 ostendens. 



A. Cellulse apicales 2, geminatse, tortte. 



Ochtodes J. Ag. — Frons medio axibus centralibus duobus spiraliter tortis 

 percursa, subteres, ramosa, cartilagineo-gelatinosa. 



B. Cellula apicalis singula Frons axi centrali instructa. Sporangia in nema- 

 theciis planis evoluta 



Chondrococcus Kuetz. — Frons ancipiti-plana, erecta, pinnabim decomposita, 

 deorsum costa ssBpe indistincta instructa, sursum saepissime incurvata. 



Rhizophyllis Kuetz. — Frons ancipiti-piana, structuram dorsiventralem osten- 

 dens, latere ventrali riiizinoplioro. 



Contarinia Zanard. — Frons crust<3etormis, supra matricem expansa, pagiua 

 inferiori rhizinophora. 



POLYIDES Ag. [1823] Sp. I, p. 300 (Etym. polys plus et idios similis), 

 J. Ag. Sp. II, p. 719, Epicr. p. 628, Hauck Meeresalgen p. 197, 

 Engl. & Prantl Natiirl. Pflanzenfam. (1897) p. 529, Spongiocarpus 



