Strepsilejeunea. franz stephani. species hepaticarum (Vol. V, 1943). 

 nullis. Lobulus raajusculus, 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-biioba, sinu recto, lobis late triangu- 

 latis acutis. Perianthia anguste clavata (4,33 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 fioralibus aequilongura, apice breviter inciso-bidenda- 

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

 jugis. 



Hab. Mexica. 



Strepsilejeunea S. 1884 



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

 caispitantes, flavescentes vel rufescentes, in umbrosis virescentes. 

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

 sparsim pinnulatis, sub flore simpliciter innovatis. Foliacaulina imbri- 

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

 torta, in aiiis 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 

 mimis profunde biflda, lobis acutis integerrimis. Inflorescentia 

 monoica vel dioica. Perianthia pyriformia, quinqueplicata, plicis 

 integerrimis, posticis saepe in unam latam confluentibus. Folia 

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

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

 sus. Amphigastrium florale ovatum vel obovatum vel oblongum, acute 

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

 vegetativa. 



Jnin 1913. 273 18 



