(Vol. V, 1913). franz stepham. species hepaticarum Ceratolejeunea . 



76. Ceratolejeunea Renauldii. St. Bot. Gaz. 1890. p. 286. 

 Manoica, mediocris,rufo-brunnea, corticola, aliis hepaticis consociata. 



Caulia ad -2 cm. longus, parum irregulariterque pinnatus. Folia caulina 

 imbricata, recte patula, subplana, late ovata (1 mm. longa, 0,83 mm. 

 lata) symrnetria, apice obtusa, brevissima basi inserta, basi antica longe 

 truncata, integerrima. ta/Ma; superae 18X36|i,, basales vix longiores, 

 trigonis parvis in medio et angulis parietum. Lobulus parvus, folio quad- 

 ruplo brevior, oblongus, subrecte patens, duplo longior quam latus, 

 carina leviter arcuata, levi sinu in folium excurrens, apice quam basis 

 triplo angustiore, oblique truncato, angulo obtuso, sub apice valdecon- 

 strictus. Amphi(j<isi,u: raidin.t maju>nila. caule triplo latiora, leviter 

 sinuatim inserta, subtriangulata, 0,33 mm. longa, inferne 0,5 mm.lata, 

 apice angusta, ad medium inciso-biloba, rima angusta, lobis porrectis 

 obtusis. Perianthia magna, e basi angusta cyliudi ica quadrangiilaria, 

 superne grosse quadrialata, alis triangulatis recte patulis, apice rotun- 

 datis, rostro amplo brevissinm. Folia doralia pr-riaidliio subduplo bre- 

 viora, obovato-oblonga, acuta integerrima ; lobulus duplo brevior, 

 anguste lanceolatus, ad medium solutus, acutus, integerrimus. Amphi- 

 gastrium florale perianthio duplo brevius, ovato-ellipticum, ad V 3 

 inciso-bifidum, rimaangusta, lobis lanceolatis acutis. Androecia sessilia, 

 bracteis paucijugis. 

 Hab. Africa orientalis. Insula Bourbon. 



77. Ceratolejeunea renistipula St. Hedw. 1895. p. 236. 

 Monoica major, rufo-brunnea, in cortice laxe caespitans. Caulis ad 



5 cm . longus, irregulariter pinnulatus, pinnis hic illic fascicuiatim aggre- 

 gatis, ceterum remotis vel nullis, ramis longis paucis interjectis simi- 

 liter pinnulatis. Folia caulina parum imbricata, recte patula, valde 

 decurva, in plano ovata (1,17 mm. longa, 0,9 mm. lata) asymmetrica, 

 margine postico stricto, antico valde arcuato, brevi basi inserta, basi 

 antica longe truncata, apice obtusa, paucidenticulata vel integerrima. 

 CeUulae supene 18 basales 27 X 36 ji, ocelli basales duo. Lobulus 

 parvus, folio quintuplobrevior, ovato-triangulatus, recte patens, carina 

 substricta, stricte in folii marginem excurrens. apiceqiiam hasis duplo 

 angustiore, recte truncato, angulo acuto vel apiculato. Amphigastria 

 caulina maxima, reniformia, foliis aequimagna (1,17 mm.longa,0,9mm. 

 lata) sinuatim inserta, apice ad V* inciso-biloba, rima angusta, lobis 

 acutis. Perianthia majuscula obovata, quadricornuta, cornibus angustis, 

 late divergeutibus obtusis ; rostro valido. Folia floralia caulinis caulinis 

 aequilonga, obovato-oblonga, apiculata, superne irregulariter valideque 

 436 



