455 



ampliores et exteriors minores (\\ee aequales omnes) occur- 

 ruBtj nude yix subgenus proprinnn 



22. JWctyotft tuArgftn&to Grevill, 

 Stoechospermum marginatum Kiitz, Zonaria margi- 



nata Aga*dh. 2 # patens Eering. HaUseri* marginata 

 Spreng. 



Hctfr. Mare rubra m. 



23. Aictyota maculate JL Agardh. 

 Zonaria marginata Sufcr. 



//«A, Gceatms indieus et ad Cap. bouae-spei, 



24. Aletyoto polypedlolde* Lamour, 



Zonaria polypodioide* Agardb. Hulimris Lamo&r&u- 



#ii Spreng* 



Ilab* Mfrf* AntHlartua* 



i ■ 



Gen, XVI. Hictyopteris kamour. (in Desy, Jonrn, de 



botan, II. p. 129. 1809). 



Char* Thallns lamiaaris stipitatus, dichofomus rel ra- 

 rissime phinatus, costa carlilagmea usque ad apicem percur- 

 rente ijistrnctus, planus, solidus, contlmms, raembranaeeus. 

 Fulcrum radicale discoideum, minulnm, fibris articulate ra- 

 ft osis stupeis yeslitum. Tricbopliyses millae. ~ Strnctura 

 tellnlosa, arcta, Stratum corticale e cellnlis miuatis subpa- 

 raUelipjpedis , .holococcodeis , in lmeas marginem thalli versus 

 exenrrentes ordinate dispositis, conflatunu Stratum medullars 

 * cellnlis majoribns angnlato-^rotundatis, sobinanibus 7 di- — 

 tetraatromatieis , subaequalibns, compositnm ; costa e celhilis 

 ^Wfftti* angnstioribus coaflata. 



Tfcaiamia exacte definita, soriformia ? indusio tenerrimo 

 fagariwinui primitua tecta> in ntraque tlialU pagina obyemeii- 

 ***> tx aseis aunplieilnis , globoso ~ ovatis , sessilibus, mono- 

 *I>o*i», mhtMimtibm, composite Paralyses in acerynlos 



