Ceraiolejeunea. FRANZ STEPHANI. SPECIES HEPATICARUM (VOL. V, WHS). 



caulina majuscula, ovato triangiilata, caule Iriplo iatiora, transverse 

 inserta ad medium vel magis profunde biioba, rima angusta, lobis 

 anguste triangulatis porrectis acutis. Perianthia in ramulis terminalia, 

 obovata, quadriplicata, plicis late triangulatis compressis semierectis 

 acutis, posticis parum angustioribus, rostro parvo. Folia floralia cauli- 

 nis sequimagna, ovato-elliptica, acuminata acuta, superne dentata vel 

 solem angulata ; lobulus parum brevior, profunde sohitus, lanceolatus 

 acutus, integerrimus. Amphigastrium florale lobulis utrinque breviter 

 connatum, subrotundum ultra medium inciso-bifidura, laciniis late lan- 

 ceolatis acuminatis conniventibus. A^idroecia sessilia, bracteis ad 

 sexjugis. 

 Hab. Cuba. 



82. Ceratolejeunea rufo-pellucida S. Hep. Am. And. p. 207. 

 Monoica major, dilute rufo-brunnea, foliicola vel corticola. Caulis 



ad 4 cm. longus, irregulariter pinnatus et bipinnatus. Folia caulina 

 parum imbricata, recte patula, parum concava, in plano ovata (0,83 ram. 

 longa, 0,67 mm. lata) asymmetrica, margine postico stricto, antico late 

 rotundato, brevi basi inserta, basi antica longe truncata, apice apicu- 

 lata, sub apice irregulariter dentata. Cellulse superse 27 |jl, basales 

 27X36 a, trigonis parvis ; ocellinulli. Lobulus mdiiusmlus, foliotriplo 

 brevior, oblique adscendens, oblongus, duplo longior quam latus, carina 

 leviter arcuata, recto sinu in folium excurrens, apice quam basis triplo 

 angustiore, oblique truncato, angulo spina parva arraato, sub apice 

 constrictus. Amphigastria caulina magno, caule quintuplo latiora, optime 

 circularia, transverse inserta, apice ad ^/4 inciso-biloba, sinu angusto, 

 lobis acutis vel apiculatis. Perianthia uno latere innovata, raagna, 

 obovato-oblonga (1 ,67 rara. longa) quadricornuta, cornibus 0,83 ram. 

 longis, e lata basi abrupte attenuatis, angustis obtusis, latissime diver- 

 gentibus, rostro magno valido. Folia floralia caulinis aequimagna, 

 obovata, acuta, superne valide regulariterque dentata, lobulus obovatus 

 vel subquadratus, folio duplo brevior, superne paucispinulosus. 

 Amphigastrium florale foliis floralibus parum brevius, late ovatum, ad 

 raedium inciso-bilobatum, rima angusta nuda, lobis late triangulatis 

 acuminatis, extus denticulatis. AndroRcia sessilia, bracteis 3-4 jugis. 

 Hab. America tropica. Rio Negro. 



83. Ceratolejeunea scaberula (S.) St. 



Syn. : Prionolejeunea scaberula S. Hep. Am. And., p. 159. 

 Autoica parva, flavo-rufescens, in cortice dense depresso caespitans. 

 Caulis ad 15 ram. longus, irregulariter pinnulatus. Folia cmlin^ irabri- 



439 



