Cemtolejeunea. kranz stephani. species hepaticarum (Vol. V, 1913). 



niediiiin soluliis, lanceolatus inlegeniinus vel spina arniatus. Amphi- 

 gaslrium florale lobulis jequilonguni, obovatuin, liberum, ad V^ inciso- 

 bilobatum, rima angusta, lobis anguste triangulatis, extus pauciden- 

 tatis. AndvoRcia sessilia, bracteis paucijugis. 

 Hab. Inmlse mascarenai (Africa orientalis). 



56. Geratolejeunea mauritiana St. Bot. Gaz. 1890, p. 285, 

 Monoica ininor, fusco-brunnea, corticola et foliicola. Caulis ad 15 mm. 



longus, sparsim irregulariterque ramosus. Folia caulina imbricata, 

 recte patula, parum concava, in plano late iigulata (0,9 mm. longa, 

 0,67 mm. lata) apico late truncato-rotundata vel apiculo aucta, brevi 

 basi inserta, basi antica longe truncata. Cellulx superse 18 [x, basales 

 18 X 27 [jL, ocelli geminati 27 X 54 [i. Lobulus majusculus, folio 

 quadruplo brevior, recte patens, oblongus, duplo longior quam latus, 

 carina arcuata, sinu subrecto in folium excurrens, apice quam basis 

 duplo angustiore, oblique truncato, angulo apiculato, sub apice leviter 

 constrictus. Amphigastria caulina magna, caule sextuplo latiora, 

 sinuatim inserta, late triangulata, inferne 0,67 mm. lata, ad medium 

 inciso-biloba, rima angusta lobis late triangulatis obtusis. Perianthia 

 uno latere innovata majuscula (1,4 mm. longa) oblonga, elliptica, 

 quadricornuta, cornibus angustis 0,4 mm. longis attenuatis, superne 

 cylindricis obtusis porrectis vel leniter divergentibus. Folia floralia 

 perianthio duplo breviora, lanceolata acuta, superne remote denticu- 

 lata; lobulus duplo brevior, ad V^ solutus, angustus acutus. Amphigas^ 

 trium florale lobulis sequilongum, obovato obconicum, liberum, ad V» 

 inciso-bifidum, rima angusta, lobis obtusis vel acutis, extus sparsim 

 denticulatis. Androecia sessilia, bracteis trijugis. 

 Hab. Insula Mauritius (Africa orientalis). 



57. Ceratolejeunea megalophysa S. Hep. Am. And., p. 202. 

 Autoica minor, rufo-brunnea, foliicola. Caulis ad 15 mm. longus 



irregulariter multiramosus. Folia caulina imbricata, recte patula, valde 

 concava apiceque decurva, in plano ovata (1 mm. longa, 0,67 mm. lata) 

 subsymmetrica, apice obtusa vel apiculata, paucidenticulata vel sub- 

 integra, brevissima basi inserta, basi antica longe truncata. Cellulse 

 superae 18X18 {i, basales 27x36 {i validae. Ocellus 36X36 -j.. 

 Lobulus majusculus folio quadruplo brevior, oblongus, duplo longior 

 quam latus, carina oblique adscendens substricta, levi sinu in folium 

 excurrens, apice quam basis parum angustiore, oblique truncato, 

 angulo obtuso, sub apice constrictus. Amphigastria caulina majuscula,' 

 caule plus duplo latiora, subrotunda, transverse inserta, ad medium 



4^5 



