(Vol. V, 1913). FRANZ STEPHANI. SPECIES HEPATlCARUM Drepanolejeunea. 



lobis attenuatis, integerrimis. Androzcia sessilia, ex apice vegetativa, 

 bracteis quadrijugis. 

 Hab. Puertorico. 



41. Drepanolejeunea trifida St. n. sp. 



Dioica, exigua, pallide flavicans, aliis hepaticis consociata. Caulis ad 

 10 mm. longus, parum remoteque pinnulatus. Folia caulina remota, 

 oblique patula, squarrose recurva, in plano lanceolata, longe acuminata 

 (0,4 mm. longa 0,17 mm. lata) medio utrinque lacinia magna oblique 

 patula armato. Gellulse superae 12 fi, basales 12X18 jx, trigonis nullis. 

 Lobulm magnus, folio duplo brevior, oblique adscendens, oblongo- 

 ellipticus, duplo longior quam latus, carina arcuata, levi sinu in folium 

 excurrens, apice quam basis duplo angustiore, emarginato, angulo 

 spina valida hamata armato, sub apice constrictus. Amphigastria bre- 

 vissima, cauli sequilata, utrinque in setam patulam attenuata. Andrazcia 

 in ramulis mediana, bracteis 3-4 jugis, contiquis, conduplicatim con- 

 cavis, dorso alatis, ala repanda, dentata. Reliqua desunt. 



Hab. Surinam. 



42. Drepanolejeunea trigonophylla (G. ms) St. Hedw. 

 1896, p. 85. 



Syn. : Lejeunea trigonophylla Herb. Gottsche. 



Alonoica pusilla, pallide flavicans, aliis hepaticis consociata. Folia 

 caulina imbricata, in ramis remota, oblique patula vel suberecta, lan- 

 ceolata, acuta, marginibus repandis vel angulatis, postico sa?pe integro, 

 antico grosse angulato vel magno lobulo acuto armato. Cellulx 18 \l, 

 trigonis magnis, basales vix majores. Lobulus magnus, folio duplo 

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

 carina arcuata, recto sinu in folium excurrens, apice quam basis 

 parum angustiore, oblique truncato, angulo obtuso, sub apice valde 

 constrictus. Amphigastria caulina parva, caule vix latiora, transverse 

 inserta, obeuneata, latiora quam longa, ad medium emarginato-biloba, 

 lol)is angustis obtusis divergentibus. Perianthia parva, clavata (1 mm. 

 longa, superne 0,4 mm. lata) uno latere innovata, inferne nuda, superne 

 regulariter longeque spinosa, spinis angustis obtusis; plicis posticis 

 breviter decurrentibus, late divergentibus, similiter armatis. Folia 

 floralia exigua, perianthio multoties breviora, ambitu late obcuneata, 

 grosse obtuseque trifida, lacinia media longiore et validiore, basi bre- 

 viter connata; lohulus duplo brevior, oblongus, ad x /3 solutus, apice 

 emarginatus, angulo longius acuminato obtuso. Amphigastrium llorale 

 obovatum, lobuiis utrinque coalitum, apice ad x /* emarginato-bifidum, 

 340 



