Strepsilejeunea. franz stephani. species hepaticarum (Vol. V,4943). 

 parum longeque ramosus. Folia caulina parum imbricata, subrecte 

 patula, concava apiceque decurva, in plano ovata, subsymmetrica 

 (0,67 mm. longa, 0,5 mm. lata) apice obtusa, rarius acuta, ad medium 

 accreta, basi antica longe truncata. Lobulus majusculus, folio triplo 

 brevior, oblique adscendens, ovato-oblongus, duplo longior quam latus, 

 carina arcuata, levi sinu in folium excurrens, apice quam basis sub- 

 duplo angustiore, oblique truncato, angulo acuto. Cellulx superae 12 jt, 

 basales 18 y., trigonis subnullis, antice papuloso-prominulae. Amphi- 

 gastria caulina majuscula, caule triplo latiora, subrotunda, sinuatim 

 inserta, ad medium inciso-biloba, sinu recto, lobis porrectis acutis. 

 Perianthia parva, foliis caulinis parum longiora, ovato - elliptica 

 (0,67 mm. longa, 0,5 mm. lata) plicis posticis late divergentibus 

 iongeque decurrentibus, saepe in unam latam confluentibus, 

 rostro longo, valido. Folia floralia perianthio aequilonga vel lon- 

 giora, obovata, apice obtusa vel rotundata, lobulus duplo vel triplo 

 brevior, anguste lanceolatus, breviter solutus, acutus. Amphigas- 

 trium florale perianthio duplo brevius, obovatum, ad V 3 inciso- 

 bilobatum, lobis obtusis, rima angusta. Andratcia parva, sessilia, brac- 

 teis trijugis. 

 Hab. Africa australis. Insula Bourbon. 

 5. Strepsilejeunea usambarana St. n. sp. 

 Autoica parva, flavo-rufescens, in eortice dense depresso-caespitans. 

 Gaulis ad 45 mm. longus, sparsim irregulariterque ramosus, sub flore 

 simpliciter innovatus. Folia caulina conferta, recte patula, valde 

 concava, apice decurva in plano ovato-falcata (0,67 mm. longa, 0,5 mm. 

 lata) acuta, brevissima basi inserta, basi antica late rotundata. Cellulae 

 superai 18 jt, basales 18X22 u., trigonis parvis. Lobulus majusculus, 

 folio triplo brevior, recte patens, ovato-oblongus, duplo longior quam 

 latus, carina valde arcuata, sinu profundo in folium excurrens, apice 

 quam basis duplo angustiore, oblique truncato, angulo apiculato, sub 

 apice constrictus. Amphigastria caulina majuscula, caule subtriplo 

 latiora, transverse inserta, subrotunda, ad medium inciso-biloba, lobis 

 ovatis acutis. Folia floralia caulinis parum majora, falcato-divergentia, 

 valde concava, obovato-oblonga, acuta vel obtusa, lobulo duplo breviore, 

 lanceolato obtuso, ad medium soluto. Amphigastrium florale foliis flor. 

 «quilongum, anguste obcuneatum (0,83 mm. longum, sub apice 0,5 mm. 

 latum) ad V» inciso-bilobatum, rima angusta, lobis acutis. Andrcecia 

 Parva, bracteis trijugis. Reliqua desunt. 

 Hab. Africa orient. Usambara. 



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