Trachylejeunea. FRANZ stephani. SPECIES HEPATICARUM (Vol. V, 1913). 

 obovato-oblonga, acuta vel obtusa, margine supero crenulato; lobvlus 

 triplo brevior, linearis, acutus breviter solutus. AmphigastHum florale 

 lobulis aequilongum, obovato-obconicum, ad 73 inciso-bilobatum, lobis 

 ovatis obtusis. Andmcia sessilia, perianthio approximata, bracteis ad 

 4jugis. 

 Hab. Mexico. Mirador. 



10. Trachylejeunea aquarius S. Hep. Am. And, p. 185. 

 Monoica major, dilute brunnea, in cortice caespitans lateque expansa. 



Caulis ad 4 cm. longus, validus, irregulariter multiramosus, rarais 

 longioribus ad 15 mm. longis, sparsis, paucipinnulatis. Folia caulina 

 contigua, subrecte patula, valde concava, in plano ovata (0,75 mm. 

 longa, 0,58 mm. lata) apice obtusa vel rotundata, superne crenulata, 

 antice papillata, brevibasi inserta, basi antica truncata. Cellulx superse 

 18 |i, trigonis parvis, basales 18 X 45 parietibus validis. Lobulus 

 majusculus, folio triplo brevior, oblique adscendens, oblongus, duplo 

 longior quam latus, carina leviter arcuata, levi sinu in folium excur- 

 rens, apice quam basis parum angustiore, recte truncato, angulo api 

 culato, sub apice constrictus. Amphigastria caulina majuscula, ambitu 

 subrotunda, transverse inserta, ad medium biloba; sinu recto obtuso, 

 lobis late triangulatis obtusis porrectis. Perianthia magna, angusta 

 (1,33 cm. longa, superne 0,58 mm. iata) basi parum angustiora, valde 

 inflata, apice truncata, inferne grosse papulosa, superne irregulariter 

 denseque denticulata et spinulosa ; plicis posticis latis, longe attenuatim 

 decurrentibus lateque divergentibus, similiter armatis; rostro parvo. 

 Folia floralia perianthio duplo breviora, valde concava arcteque 

 decurva, in plano obovato-oblonga, obtusa, antice papillata; lobulo 

 duplo breviore, lineari, parum soluto acuto. Amphigastrium florale 

 parvum, lobulis aequilongum. obovatum, ad l /t inciso-bifidum, sinu 

 angusto, lobis triangulatis obtusis integerrimis. Andrcecia sessilia, 

 numerosa, bracteis quadrijugis. 

 Hab. America tropica, valde communis. 



11. Trachylejeunea asperiflora S. Hep. Am. And. p. 183. 

 Monoica major, flavescens, in fronde fllicum cjespitans. Caulis ad 



7 cra. longus, parum breviterque pinnatus. Folia caulina parumimbri- 

 cata, oblique patula, valde concava arcteque decurva, in plano ovato- 

 elliptica, subsymmetrica (0,83 mm. longa, 0,6 mm. lata) apice subob- 

 tusa, brevi basi inserta, basi antica leviter rotundata. Cellulx 18X^7 y., 

 ubique ajquimagnae, trigonis majusculis, in medio parietum nodulosis, 

 basales trabeculatim confluentibus. Lobulm majusculus, folio triplo 

 306 



