(VOL. V, 1913). FRANZ STEPHANI. SPECIES HEPATICARUM Drepanulejeunea. 



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

 biacteis quadrijugis. 

 Hab. Puertorico. 



41. Drepanolejeunea trifida St. n. sp. 



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

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

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

 (0,4 mm. Ionga0,t7 mm. lata) medio utrinque lacinia magna oblique 

 patula armato. Cellulft- superse 12 {x, basales 12X18 p., trigonis nullis. 

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

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

 excurrens, apice quam basis duplo angustiore, emarginato, angulo 

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

 vissima, cauli aequilata, utrinque in setam patulam attenuata. Androecia 

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

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



Hab. Surinam. 



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

 1896, p. 85. 



Syn. : Lejeunea Irigonophylla Herb. Gottsche. 



Monoica pusilla, pallide flavicans, aliis hepaticis consociata. Folia 

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

 ceolata, acuta, marginibus repandis vel angulatis, postico saepe integro, 

 antico grosse angulato vel magno lobulo acuto armato. CeUuhc 18 [j., 

 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, obcuneata, latiora quam longa, ad medium emarginato-biloba, 

 lobis angustis obtusis divergentibus. Perianihia 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 Irifida, lacinia media longiore et validiore, basi bre- 

 viter connata; lobulus duplo brevior, oblongus, ad V^ solutus, apice 

 emarginatus, angulo longius acuminato obtuso. Amphigastrium florale 

 obovatum, lobulis utrinque coalitum, apice ad V^ emarginato-bifidum, 



340 



