Trachylejeunea. franz stephani. species hepaticarum (Vol. V, 4913). 

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

 erosula. Cellulx superae 18 jjl, basales 27 x 36 ja, 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, angulo 

 spina hamata armato. Androzcia 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. 482. 



Dioica mediocris flavescens, in cortice dense depresso caespitans. 

 Caulis ad 3cm. 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, mar- 

 ginibus irregulariter crenulatis vel erosulis, sub apice et in margine 

 antico sparsim obtuseque spinosis, brevi basi inserta, basi antica 

 truncato-rotundata. Cellulx superae 48X27 |t trigonis magnis, basales 

 48X36 }i 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. Atnphigastria caulina 

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

 ginibus utrinque quadrispinis, ad V 3 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 (4,47 mm. longa, 0,67 mm. 

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

 interjectis brevibus obtusis ; lobulus duplo brevior, lanceolatus longe 

 acuminatus paucidentatus, ad 2 / 3 solutus. Amphigastrium florale lobulis 

 aequilongum, ambitu subrotundum, basi late obcuneatum, nudum, 

 superne irregulariter spinosum et dentatum, apice ad Vs inciso-bifidum, 

 lobis longe apieulatis. Andratcia sessilia vel in ramulis terminalia, 

 bracteis quadrijugis. 



Hab. Andes Peruvix. 



304 



