(Vol. V, 1913). FRANZ stephani. SPECIES HEPATICARUM Ceratolejeunea. 



cata, parum concava, in plano ovata (0,83 mm. longa, 0,67 mm. lata) 

 asymmetrica, margine postico stricto, antico arcuato, ad medium 

 inserta, basi antica ionge truncata vel sinuatim truncata. Cellulse supera» 

 18 {x, medise 27 basales vix majores, trigonis parvis. Lobulus majus- 

 culus, folio triplo brevior, subrecte patens, oblongus, duplo longior 

 quam latus, carina arcuata, levi sinu in folium excurrens, apice quam 

 basis parum angustiore, oblique truncato, angulo apiculato. Amphi- 

 gastria caulina majuscula, transverse inserta, breviter decurrentia, 

 parum latiora quam longa, ultra medium inciso-biloba, rima angusta, 

 lobis Jate triangulatis apiculatis. Perianthia parva, ovata (0,9 mm. 

 longa, medio 0,67 mm. lata) apice late truncata, leviter emarginata, 

 anguiis obtusis, plicis posticis inflatis, longe decurrentibus, apice 

 ampliatis triangulatis obtusis, parum prominentibus. Folia floralia 

 perianthio aequilonga, obovato-oblonga, apiculata, superne regulariter 

 remoteque dentata ; lobulus subduplo brevior, lanceolatus, ad^/s solutus, 

 acuminatus, acutus vel obtusus, integerrimus. Amphigastrium florale 

 Jobulis subaequilongum, obovatum, liberum, ad 73 emarginato-bilo- 

 batum, sinu amplissimo, lobis late triangulatis porrectis acutis. Andrce- 

 cia numerosa, magna, bracteis ad 8 jugis. 

 Hab. Brasilia. Rio Negro. 



84. Ceratolejeunea Schwaneckei St. Hedw. 1895, p. 237. 



Dioica, fusco-brunnea, major, in cortice dense depresso-caispitans. 

 Caulis ad 5 mm. longus, irregulariter multiramosus Folia caulina 

 parum imbricata, recte patula, subplana, late ovata(l,5mm. Jonga, 

 1,17 mm. lata) asymmetrica, margine postico leviter arcuato, antico 

 magis curvato, brevi basi inserta, basi antica longe truncata, apice 

 subacuta, sub apice paucidenticulata. Cellulx superae 27 ji, basales 

 27X57 fj., ocellus basalis 27X76 fi, trigonis nullis. Lobulus exiguus 

 (sa^pe obsoletus) folio sextuplo brevior, subtriangulatus, carina sub- 

 stricta, oblique adscendens, levi sinu in folium excurrens, apice quam 

 basis triplo angustiore, recte truncato, angulo apiculato, sub apice 

 leviter constrictus. Amphigastria caulina maxima, cordiformia (0,83 mm. 

 longa, inferne 1 ,1 7 mm. lata) superne late acuminata, apice ad Vs inciso- 

 biloba, rima angusta, lobis late triangulatis acutis. Perianthia magna, 

 inflata, oblonga, longe quadricornuta, cornibus lateralibus parum lon- 

 gionbus, leviter divergentibus, angustis obtusis, posticis parum brevio- 

 nbus, ceterum similibus, minus divergentibus, rostro parvo. Folia 

 floralia perianthio breviora, obovato-oblonga, apice valide dentata ; 

 lobulus parum brevior, JanceoJatus, ad 2 / 3 soJutus, acuminatus, acutus, 

 440 



