(VOL.Vl, 1923) FRANZ STEPHANI. SPECIES HEPATICARUM Taxilojeunea. 



carina oblique adscendens, leviter arcuata, levi sinu in folii margi- 

 nem excurrens, apice quam basis quadruplo angustiore, oblique 

 truncato, sub apice constrictus. Amphigastria caulina gigantea, 

 rotunda (0,7.5 mm. longa et lata) basi profunde cordata, alis late 

 rotundatis, apice ad 1/4 inciso-biloba, sinu semirecto, lobis late 

 triangulatis acutis. Androecia in caule sessilia, bracteis quadrijugis. 

 Hab. Bolivia (Herzog legit). 



122. Taxilojeunea rotundiflora St. n. sp. 



Dioica exigua, pallide virens, in cortice gregarie crescens. Caulis 

 ad 5 mm. longus, parum longeque ramosus. Folia caulina imbricata, 

 recte patula, parum concava, in plano ovata, symmetrica (0,9 

 mm. longa, medio 0,75 mm. lata) apice obtusa, basi antica trun- 

 cato-rotundata, caulem tegentia, integerrima. Lobulus parvus, 

 subquadratus, carina oblique adscendens, stricta, stricte in folium 

 excurrens, apice leviter emarginatus, angulogrosseapiculato. Cellul- 

 las f oliorum superse 27 x 27 (jl, basales 27 x 45 (x trigonis ubique 

 parvis. Amphigastria caulina majuscula, caule plus duplo latiora, 

 ovalia, transverse inserta, apice ad 2/3 emarginato-bifida, laciniis 

 anguste lanceolatis, hamatim conniventibus acutis. Pericmthia 

 magna, compressa obovato-obcuneata (1,17 mm. longa, medio 

 0,9 mm. lata) rostro longo angusto, plicis posticis angustis longe 

 decurrentibus, nudis. Folia floralia obovato-oblonga, perianthio 

 subsequilonga, late divergentia, apice obtusa, integerrima ; lobulus 

 magnus, folio duplo vel tertio brevior, lanceolatus, ad medium 

 solutus, apice obtuso. Amphigastrium florale perianthio duplo 

 brevius, ovato-ellipticum, ad medium inciso-bifidum, laciniis 

 porrectis, anguste triangulatis acutis, sinu angusto. Androecia 

 desunt. 



Hab. Cameroun (Mildbraed legit). 



123. Taxilejeunea tenerrima St. n. sp. 



Monoica pusilla flaccida, dilute brunnea, foliicola. Caulis ad 

 5 mm. longus, irregulariter multiramosus. Folia caulina conferta, 

 subrecte patula, valde concava, in plano ovato-elliptica, sym- 

 metrica (1,25 mm. longa, 0,67 mm. lata) apice late rotundata, 

 basi antica truncato-rotundala. caulem lcgenlia. Ccllulas superae 

 27 X 27 (x, basales 27 x 45 (jl trigonis nullis. Lobulus magnus, folio 

 duplo brevior, subrectangulatus, carina oblique adscendens leviter 

 arcuata, amplo sinu in folium excurrens, apice recte truncato, basi 



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