(VOL. V,1913). franz stephani. SPECIES hepaticarum Trachylejeunea. 



3. Trachylejeunea conifera St. n. sp. 



Dioica, rainor, pallide virens, in cortice dense depresso-csespitans. 

 Caulis ad 2 cm. longus, parura breviterque pinnatus. Folia caulina 

 parum imbricata, recte patula, concava, decurva, in plano late ovata, 

 subsymmetrica (0,83 mm. longa, 0,67 mm. lata) apice apiculata, bre- 

 vissima basi inserta, basi antica truncato-sinuata, marginibus ubique 

 valide denseque crenatis; cuticula levis. Cellulse superae 27 ji, basales 

 18X36 u, trigonis nullis. Lobulus magnus, folio subtriplo brevior, 

 oblique adscendens, ovato-oblongus, carina valde arcuata, sinu pro- 

 fundo in folium excurrens, apice quam basis triplo angustiore, truncato 

 obtuso, sub apice maxime constrictus. Amphigastria caulina majuscula, 

 caule subtriplo latiora, subrotunda, transverse inserta, ad 2 /3 inciso- 

 biloba, sinu recto, lobis oblongis acutis. Perianthia uno latere inno- 

 vata, parva (1 mm.longa) clavata, apicelate rotundata, superne abrupte 

 iateque alata, alis dense breviterque papulosis, plicis posticis inflatis 

 breviter decurrentibus, late divergentibus, densissime papulosis, rostro 

 longo angusto. Folia floralia perianthio longiora, obovato-oblonga, 

 obtusa vel apice rotundata, superne regulariter crenata ; lobulo duplo 

 breviore, ligulato acuto subintegerrimo, ad medium soluto. Amphigas- 

 trium florale foliis floralibus aequimagnum, lobulo proximo breviter 

 coalitum, oblongo-ellipticum, ad */■ inciso-bilobatum, rima angusta 

 nuda, lobis acutis extus crenatis. Andrcecia sessilia, bracteis quadri- 

 jugis. 



Hab. Dominica. 



4. Trachylejeunea dilatata Evans. Torr. Bot. Cl. 1908, p. 372. 

 Autoica, pallide virens, laxe caespitans. Caulis irregulariter pinnatus, 



multiramosus,ramislatedivergentibussimplicibus vel parum pinnatis. 

 Folia caulina contigua vel parum imbricata, recte patula, concava, 

 in plano late ovato-triangulata (0,5 mm. longa, 0,35 mm. lata) apice 

 late rotundata, brevi basi inserta, basi antica longe truncata, nuda, 

 ceterum dense regulariterque crenulata. Cellulse 21X35 p, basales vix 

 longiores, trigonis nullis. Lobulus majusculus, folio duplo brevior, 

 oblongus, oblique adscendens, triplo longior quam latus, inflatus, 

 carina leviter arcuata, angulo acuto in folium excurrens, apice quam 

 basis duplo angustiore, recte truncato, angulo obtuso, sub apice cons- 

 trictus. Amphigastria caulina majuscula, caule latiora, ambitu sub- 

 rotunda, transverse inserta, inferne obconica, medio utrinque angulata, 

 apice ad medium inciso-biloba, sinu recto, lobislate triangulatis acutis. 

 Perianthia parva (0,6 mm. longa, 0,35 mm. lata) pyriformia, uno latere 

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