Strepsilejeunea. franzstephani. species hepaticarum (Vol. V, 1913). 



nullis. Lobidus majusciiliis, folio quadruplo brevior, ovatus, carina 

 oblique adscendens, leviter arcuata, amplo sinu in folium excurrens, 

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

 Amphigastria caulina parva, caule parum latiora, subrotunda, trans- 

 verse inserta, ad medium inciso-biloba, sinu recto, lobis late triangu- 

 latis acutis. Perianthia anguste clavata (1,33 mm. longa, superne 

 0,5 mm. lata) inflata, superne quinqueplicata, plicis irregulariter 

 minuteque dentatis, rostro brevissimo. Folia floralia perianthio 

 triplo breviora, valde decurva, in plano obovato-oblonga acuta; 

 lobulus sub-duplo brevior, ligulatus, breviter solutus, obtusus vel 

 acutus. Amphigastrium florale lobulis alte connatum, obovato-oblon- 

 gum, foliis floralibus sequilongum, apice breviter inciso-bidenda- 

 tum, dentibus triangulatis, acutis. Andrcecia sessilia, bracteis quinque- 

 jugis. 



Hab. Mexica. 



Strepsilejeunea S. 1884 



Plantse parvae, saepe exiguae, corticolae, muscis consociatae, rarius 

 caespitantes, flavescentes vel rufescentes, in umbrosis virescentes. 

 Caulis irregulariter ramosus, ramis sparsis, in aliis plus minus confertis, 

 sparsim pinnulatis, sub flore simpliciter innovatis. Folia caulina irabri- 

 cata, recte patula, valde concava, apice arcte decurva, acuta, interdum 

 torta, in aliis obtusa integerrima. Cellulse foliorum mediocres, tenerae, 

 in aliis trigone incrassatae, cuticula levis, rarius aspera vel papillosa. 

 Lobulus semper spectabilis, oblongus vel ovatus. Amphigastria caulina 

 majuscula, saepe magna, transverse (rarius sinuatim) inserta, plus 

 minus profunde bifida, lobis acutis integerrimis. Infloi^escentia 

 monoica vel dioica. Perianthia pyriformia, quinqueplicata, plicis 

 integerrimis, posticis saepe in unam latam confluentibus. Folia 

 floralia raagna, ovata, saepe oblonga, vulgo acuta, rarius obtusa. 

 Lobulus floralis magnus, lanceolatus vel linearis, acutus vel obtu- 

 sus. Amphigastrium florale ovatura vel obovatum vel oblongum, acute 

 bifidum. Androscia sessilia, rarius in ramis terminalia vel ex apice 

 vegetativa. 



19 Jnin 1913. 273 18 



