Trachylejeunea. FRANZ stephani. species hepaticarum (Vol. V, 1943). 



brevissima basi iiiserta, basi antica longe truncata, nuda, ceterum 

 erosuia. Cellulx superae 48 {x, basales 27x36(x, parietibus ubique 

 validis. Lobulus magnus, folio triplo brevior, recte patens, oblongus, 

 triplo longior quam latus, carina leviter arcuata, levi sinu in folium 

 excurrens, apice quam basis subduplo angustiore, recte truncato, ang-ulo 

 spina hamata armato. Andrcecia numerosa, in caule ramisque termina- 

 lia, ex apice vegetativa, bracteis ad 4 jugis, inferis magnis, superis 

 sensim minoribus. Reliqua desunt. 

 Hab. Kamerun. 



America tropica 



• 

 2. Trachylejeunea acanthina S. Hep. Am. And., p. 182. 

 Dioica mediocris flavescens, in cortice dense depresso csespitans. 

 Caulis ad 3 cm. longus, irregulariter pinnatus et bipinnatus. Folia cau- 

 lina parum imbricata, subrecte patula, longe decurva, in plano ovato- 

 oblonga (0,83 mm. longa, 0,5 mm. lata) apice longe attenuata, mai*- 

 ginibus irregulariter crenulatis vel erosulis, sub apice et in margine 

 antico sparsim obtuseque spitiosis, brevi basi inserta, basi antica 

 truncato-rotundata. Cellulx superae 18x27 »1. trigonis magnis, basales 

 18X36 [j. trigonis maximis. Lobulus majusculus, folio duplo vel triplo 

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

 carina leviter arcuata, levi sinu in folium excurrens, apice quam basis 

 vix angustiore, emarginato, angulo apiculato. Amphigastria caulina 

 maxima, caule sextuplo latiora, reniformia, transverse inserta, mar- 

 ginibus utrinque quadrispinis, ad ^/s emarginato-biloba, sinu sub- 

 circulari, lobis attenuatis conniventibus. Perianthia suborbiculata 

 (0,55 mm. longa et lata) basi apiceque late attenuata, rostro parvo, 

 valde compressa, alte plicata, carinis fere levissimis vel hic illic repan- 

 dulis. Folia floralia perianthio longiora (1,17 mm. longa, 0,67 mra. 

 lata) ligulata, leviter falcata, apiculata, sub apice paucispinosa, dentibus 

 interjectis brevibus obtusis; lobulus duplo brevior, lanceolatus longe 

 acuminatus paucidentatus, ad ^3 solutus. Amphigastrium florale lobulis 

 sequilongum, ambitu subrotundum, basi iate obcuneatum, nudum, 

 superne irregulariter spinosum et dentatum, apice ad V^ inciso-bifidum, 

 lobis longe apiculatis. Andrcecia sessilia vel in ramulis terminalia, 

 bracteis quadrijugis. 

 Hab. Andes Peruvise. 



301 



