Taxilejeunea. franz stephani. species hepaticarum ^Vol. V, 1913). 



adscendens, leviter arcuata, levi sinu in folium excurrens, apice quam 

 basis triplo angustiore, oblique emarginato, angulo obtuso. Amphigas- 

 tria cauiina maxima, caule quintuplo latiora, sinuatim inserta, basi 

 utrinque cordatim rotundata, apice ad V 3 inciso-biioba, rima angusta, 

 lobis late triangulatis acutis porrectis. Perianthia obovato-oblonga 

 (1,17 mm. longa, superne 0,67 mm. lata) plicis posticis longe decur- 

 rentibus, angustis, omnibus compressis et levibus, rostro-longissimo. 

 Folia floralia late lanceolata, valde insequalia, altero longiore, altero 

 multo breviore, obtusa; lobulus angusle lanceolatus, ultra medium 

 solutus, obtusus, altero late ovatus profunde solutus, obtusus. Amphi- 

 gastrium florale perianthio subsequilongum, ovato-ellipticum, lobulis 

 breviter connatum, apice ad V 3 inciso-bifidum, rima angusta, lobis late 

 triangulatis acutis. Andrcecia parva, in caule sessilia, bracteis 3-4 jugis. 

 Hab. Africa occidentalis. Insula San Thome. 



7. Taxilejeunea ramosissima St. Bot. Jahrb., 1886, p. 88. 

 Monoica, mediocris, fiavo-virens vel flavescens, dense depresso 



ca3spitans. Caulis ad 3 cm. longus, irregulariter multiramosus. Folia 

 caulina parum imbricata, recte patula, valde concava apiceque decurva, 

 in plano ovata, optime symmetrica (0,83 mm. longa, 0,58 mm. lata) 

 apice obtusa, brevi basi inserta, basi antica truncato-rotundata, inte- 

 gerrima. Cellulsc superae 18X18 validae, trigonis parvis, basales 

 48 X 36 |j. trigonis majusculis. Lobulus parvus, in situ triangularis, ex 

 parte occultus, in plano late ovatus, folio quadruplo brevior, carina 

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

 plus duplo angustiore, oblique truncato, angulo apiculato. Amphigas- 

 tria caulina magna, cordiformia, caule quintuplo latiora, breviter 

 sinuatim inserta, basi utrinque late rotundata, ad medium inciso-biloba, 

 rima angusta, lobis late triangulatis acutis vel obtusis. Perianthia uno 

 latere innovata, obovato-oblonga, inflata, eplicata, rostro majusculo. 

 Folia floralia parva, perianthio subduplo breviora, obovato-oblonga, 

 vel anguste ligulata, apice rotundata integerrima. Lobulus parvus, folio 

 duplo brevior, anguste lanceolatus, acutus, ad medium solutus. Amphi- 

 gastrium florale foliis floralibus parum brevius, anguste lanceolatum, 

 lobulis utrinque alte connatum, ad medium inciso-bifidum, rima 

 angusta, lobis linearibus porrectis3Cutis,integerrimis,.4«rfrac/fl exigua, 

 sessilia, bracteis paucijugis. 

 Hab. Africa occidentalis. Insula San Thome. 



8. Taxilejeunea trichomanoides (M. et N.) St. 

 Syn : Lejeunea trichomanoides M. et N. Syn. Hep. p. 355. 



457 



