Ceratolejeunea. FRANZ STEPHANI. SPECIES HEPATICARUM (VOL. V, 1913). 



2. Geratolejeunea amazonica St. Hedwigia, 1890, p. 91. 

 Dioica, fusco-rufa, depresso-caespitans, corticola. Caulis ad 3 cm. 



longus, irregulariter ramosus, ramis longioribus simplicibus vel 

 sparsim pinnulatis. Folia caulina conferta; recte patula, subplana, 

 ovato-elliptica (1 mm. longa, 0,75 mm. lata) optime symmetrica, apice 

 obtusa vel rotundata, ad medium inserta, basi antica truncato-rotundata, 

 integerrima vel hic illic angulata. Cellulx superae 18X18 u., basales 

 27X36,i; ocelli 27X45.J.. Lobulus parvus, folio septuplo brevior, 

 ovato-triangulatus, carina parum arcuata, levi sinu in folium excurrens, 

 apice quam basis triplo angustiore, emarginato, angulo apiculato, 

 sub apice leviter constrictus. Amphigastria caulinanm juscula, sub- 

 transverse inserta, subrotunda vel parum latiora quam longa, ad V» 

 inciso-biloba, sinu angusto, lobis acutis. Perianthia magna, obovato- 

 oblonga (1.5 mm. longa, medio 0,9 mm. lata) apice subtruncata vel 

 leviter emarginata, angulis apiculatis obtusis; plicis posticis angustis, 

 late divergentibus, apice rotundato-prominulis. Folia floralia perian- 

 thio duplo breviora, obovato-oblonga, apice rotundata vel apiculata, 

 sub apice irregulariter valideque dentata ; lobulus parum brevior, 

 lanceolatus, ultra medium solutus, acuminatus integerrimus vel pauci- 

 denticulatus. Amphigastrium florale obovato-obconicum liberum, foliis 

 floralibus sequilongum, ad l /« inciso-bilobatum, rima angusta, lobis 

 acutis. Androzcia sessilia, bracteis trijugis. 



Hab. America tropica. Amazonas, Guiana, Peruvia. 



3. Geratolejeunea andicola St. Hedwigia, 1895, p. 234. 

 Dioica, major, rufo-brunnea, aliis hepaticis corticoiis, consociata. 



Caulis ad 6 mm. longus, remote pinnulatus, ramis paucis elongatis 

 interjectis simplicihus. Fotia caulina parum imbricata, recte patula, 

 subplana, ovato-falcata (0,83 mm. longa, medio 0,83 mm. lata) valde 

 asymmetrica, margine postico stricto, antico valde arcuato, apice acuta, 

 integerrima vel sub apice remota dentata, brevi basi inserta, basi 

 antica longe truncata. Cellulx superae 27x27 ji, basales 27X4-5{t. 

 Ocellus basalis 27 X 54 p.. Lobulus majusculus, folio quadruplo brevior, 

 ovatus, oblique adscendens carina arcuata, levi sinu in folium excur- 

 rens, apice quam basis duplo angustiore, oblique truncato, angulo 

 apiculato, sub apice constrictus. Amphigastria caulina magna, caule 

 quadruplo latiora, cordiformia 0,5 mm. longa et lata, profunde sinuatim 

 inserta basique cordatim rotundata, ad 2 /z inciso-bifida, sinu semirecto, 

 lobis anguste triangulatis acuminatis acutis. Andratcia in caule ramisque 

 sessilia, bracteis quinquejugis. Reliqua desunt. 

 Hab. Ecuador. Manabi. 395 



