RiCCia. FRANZ STEPHAiM. SPECIES HEPATIGARUM. 341 



Dioica, minor, pallide glauco-viridis, Frons 6 mm. longa, simplex vel 

 furcala, furcis ssepe insequales, ovatis vel oblongis, apice angustato obtnsis, 

 antice profmide canaliculatis. marginibus abrupte attenuatis, acutis, Scepe 

 denticiilatis ; costa liaud angustior, crassa, postice rotundata, laterihus 

 alte adscendentibus, sectio transversa frondis adulta3 vix latior quam alla. 

 Squamce posticse maximae, validae, marginem frondis excedentes, dense 

 imbricalae, hyalinse, margine papuloso-cmiw/ato vel subdentatae. Sporee 

 fusco-rubase, 75 ^, laxe reticulatim lamellatse, lamellis gracilibus, ad 

 angulos breviter papillatis, foveolis 10 ii, ala angusta minute crenulata. 



Hab. Eiiropa et Africa mediterranea ; Abyssinia, Anseba (Penzig), 

 Gallia Montpellier (Schimper). 



'^^ 76. R. chilensis St. n, sp. 



Monoica, minor, fusco-viridis ; frons usque ad 10 mm. longa, 1 mm. 

 lata, furcata, furcis late divaricatis, o mm. longis, acuminatis, antice pro- 

 funde angusteque canaliculatis, alis horizontalibus, convexis, marginibus 

 breviter attenuatis, acutis, decurvuhs. Squamae posticse hyalinae, ephe- 

 merae minutseque, sub margine occultee. Costa valde incrassata, sub mar- 

 gines constricta, abrupte in alas attenuala, postice late plano-convexa ; 

 frondis sectio transversa vix duplo latior quam alta, angulis late acumi- 

 natis breviter protractis subdecurvis, postice subplana, lateribus alte 

 adscendentibus, superne sinu profundo abeuntibus, antice canali pro- 

 fundo angustoque dimidiata, dimidiis convexis; ostiola cf parva, vix pro- 

 minentia. Sporse 62 tj, fusco brunnese, papillis parvis humilibus obtu- 

 sisque asperee. 



Hab. Chile, Yalparaiso (Dusen). 



77. R. squamata Nees. in Mart. Fl, bras, I, p. 301. 



Monoica, mediocris, fusco-viridis, margine atropurpurea , expansa. 

 Frons 8 mm. longa, crassa, angusta, linearis, longe bi vel trifurcata, fur- 

 cis parum divergentibus, antice rima profundissima obtusa percursa, alis 

 erectis attenuatis, crassis, margine acutis. Costa postice convexa, lateribus 

 verticaliter adscendentibus; frondis sectio transversa parum altior quam 

 lata, postice late rotundata, lateribus strictis erectis, antice ad -/s bifida, 

 laciniis anguste conicis acutis, ereclis. Squamae posticse pro plantse magni- 

 tudine maximse, atropurpurese, marginem frondis superantes. Sporce 

 parvse, 68 ^, subnigrse, vix marginatae, lamellis crassis vermicularibus 

 multoties irregulariterque anastomosantibus; papillis omnino nuUis. 



Hab. Chile (Gay) nuperius a Dusenio prope Yalparaiso reperla. 



33 4 



