Ceralolejeunea. FRANZ stephani. species iiepaticarum (Vol. V, 1913). 



stricto, antico valde arcuato, apice acuta, sub apice irregulariter denti- 

 culata, brevi basi inserta, basi antica truncato-rotundata. Cellulx 

 superae 18 ji, basales 27 |jl, trigonis nullis. /voAw/w« exiguus ovatus, folio 

 sextuplo brevior, carina oblique adscendens, levi sinu in foliuni excur- 

 rens, apice quain basis triplo angustiore, exciso, angulo obtuso. Amphi- 

 gastria caulina foliis subaequimagna (1,1 mm. lata, 0,83 mm. longa) 

 basi profunde grosseque cordata, apice ad V^ inciso-biloba, rima 

 angusta, lobis late triangulatis acutis. Perianthia majuscula, obovato- 

 oblonga, inflata, cellulis prominulis hirta, apice quadricornuta, cornibus 

 longis, lateralibus late divergentibus leviter arcuatis, angustis obtusis, 

 posticis porrectis, aequimagnis, superne inflatis, inferne longe anguste- 

 que decurrentibus, compressis. Folia floralia magna (1,33 mm. longa, 

 0,67 mm. lata) obovato-oblonga, acuta, superne irregulariter denticu- 

 lata et spinulosa ; lobulus duplo brevior, ad medium solutus, ligulatus, 

 apice rotundatus paucidentatus. Amphigastrium florale, lobulisutrinque 

 breviter connatum, obovatum, ad ^/s inciso-bifidum, rima angusta, 

 lobis conniventibus, acutis, extus irregulariter remoteque dentatis. 

 Andr(£cia sessilia bracteis paucijugis. 



Hab. Africa orientalis. Usambara. 



96. Geratolejeunea valida Evans. Torr. Bot. Cl. 1905. p. 280. 



Dioica, fusco-olivacea, densedepresso-caespitans. Caulis \ongmsm\us 

 irregulariter pinnatus, ramis late divergentibus. Folia caulina imbricata 

 recte patula, valde concava apiceque decurva, in planolate falcato-ovata 

 (1,1 mm. longa, 0,85 mm. lata) asymmetrica, apice minute apiculata, 

 subintegerrima. CeUulse superae 23 [jl, basales 28 X40 [i. valide trabe- 

 culatse, trabeculis truncatis, interruptis ; ocelli nulli. Lobulus parvus 

 folio quadruplo brevior, oblique adscendens, oblongus, duplo longior 

 quam latus, carina leviter arcuata, amplo sinu in folium excurrens, 

 apice quam basis duplo angustiore, recte truncato, angulo apiculato. 

 Utriculi numerosi, ad basin ramorum. Amphigastria caulina contigua, 

 orbiculata, ad V^ inciso-biflda, lobis late triangulatis acutis. Perianthia 

 parva, uno latere innovata, parum exserta, obovata (1 mm. longa, 

 0,6 mm. lata) apice late emarginata, quadricornuta, cornibus lateralibus 

 divergentibus, posticis porrectis, omnibus angustis, strictis obtusis, 

 rostro parvo. Folia floralia perianthio parum breviora, ovata, apice 

 paucidentata. Lobulus duplo brevior, ovato-oblongus, acuminatus, 

 sub apice paucidentatus. Amphigastrium florale lobulis utrinque bre- 

 viter coalitum et sequilongum, subrotundum, ad V^ inciso bifidum, 

 lobis acuminatis acutis. Andrcecia ignota. 



Hab. Puertorico. 447 



