( VOL. V, 1913). FRANZ STEPHANI. SPECIES HEPATlCARUM Stvepsilejeunea. 



14. Strepsilejeunea involuta (Gottsche) St. 

 Syn. : Lejeunea invohUa G. Syn. Hep., p. 350. 



Crossotolejeunea torticuspis S. Hep. Am. And., p. 163. 



Dioica niinor, pallide flavo-virens vel rufescens, corticola et foliicola, 

 Caulis ad cm. longiis, irregulariter denseque pinnatus, sub flore 

 simpliciter innovatus. Folia caulina conligua, recte patula, valde 

 concava, apice breviter arcteque decurva, in plano ovato-oblonga, sym- 

 metrica (0,83 mm. longa, 0,6 ram. lata) apiculata, integerrima, brevi 

 basi inserta, basi antica longe truncato-rotundata. Cellulx 18 jx, ubique 

 fere aequales, trigonis majusculis. Lobulus parvus, folio quadruplo bre- 

 vior, ovatus, inflatus, oblique erectus, carina arcuata, recto angulo 

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

 angulo acuto. Amphigastria caulina magna, cauie quadruplo latiora. 

 subrotunda, sinuatim inserta, fere ad medium inciso-biloba, iobis late 

 triangulatis acutis. Perianthia obovato-oblonga, apice breviter obcor- 

 data, plicis posticis latis, longe decurrentibus. Folia floralia perian- 

 thio duplo breviora, obovato-oblonga, acuta vel obtusa; lohulus tertio 

 brevior, obovato-oblongus, apice late rotundatus, ad medium solutus. 

 Amphigastrium florale lobulis parum longius, obovatum, ad medium 

 inciso-bilobatum, rima angusta, lobis triangulatis acutis, paucidentatis, 

 lobulo proximo breviter coalitum. Androecia ignota. 



Hab. Insulee antillanx. Brasilia orientalis. 



15. Strepsilejeunea Kunthiana (Ldbg.) St. 

 Syn. : Lejeunea Kunthiana Ldbg. Syn. Hep., p. 353. 



Monoica parva, pallide flavicans, corticola et rupicola. Caulis ad 

 15 mm. longus, breviter remoteque pinnulatus, sub flore innovatus. 

 Folia caulina dense imbricata, recte patula, apice arcte decurva, in 

 plano ovata, optime symmetrica (0,75 mni. longa, 0,58 mm. lata) 

 acuta vel apiculata, brevi basi inserta, basi antica late rotundata. 

 Cellulse 18X27 {j,, trigonis superis magnis, inferis subnullis. Lobulus 

 majusculus, folio triplo brevior, oblique patens, oblongus, duplo lon- 

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

 apice quam basis parum angustiore, emarginato, angulo apiculato. 

 Amphigastria caulina majuscula, caule quadruplo latiora, subrotunda, 

 leviter sinuatim inserta, ad inedium emarginato-biloba, sinu ainplo, 

 lobis leviter conniventibus acutis. Perianthia parva, 0,83 mm. longa, 

 pyriformia, plicis posticis latis, longe decurrentibus, parallelis, rostro 

 magno. Fotia floralia perianthiu gequilonga vel longiora, obovato- 

 oblonga, apiculata, lobulo duplo breviore, anguste lanceolato, plus 



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