Leptolejeunea. franz stephani. species hepaticarum (Vol. V, 1913). 



triangulatis acutis, extus irregulariter repandis, sinu angusto. Reliqua 

 desunt. 



Hab. Surinam. 



17. Leptolejeunea hamulata (G.) Schffn. in Engler. Bot. 

 Jahrb. 1887, p. 587. 



Syn. : Lejeunea hamulata Gottsche ms. 



Dioica exigua brunnea foliicola. Caulis ad 10 mm. longus, irregula- 

 riter ramosus, ramis late divergentibus. Folia caulina remota vel con- 

 tigua, oblique patula, anguste oblonga (1,17 mm. longa, 0,4 mm. lata) 

 late acuminata, acuta, margine antico sparsim remoteque denticulato. 

 Cellulse supera 18X27 ^ validse, basales 18 X 36 y.; ocelli 27 X36 jjl. 

 Lobulus majusculus, folio quadruplo brevior, oblique adscendens, 

 oblongus, subtriplo longior, quam latus, carina substricta, slricte in 

 folii marginem excurrens, apice qnam basis duplo angustiore, emar- 

 ginato, angulo spina hamata armato. Amphigastria caulina majuscula, 

 disco basali integro late obcuneato, apice truncato, angulis seta armato, 

 setulis oblique patulis lateque divergentibus, i cellulas longis. Perian- 

 thia oblonga (0,67 mm. longa, sub apice 0,5 mm. lata) apice ipso late 

 truncata, angulis late apiculatis, triangulatis denticulatis, sub apice 

 constricta, rostro valido conico; plicae posticae breviter decurrentes, 

 similiter truncatae similiterque armatae. Folia floralia perianthio parum 

 breviora, lanceolata, caulinis multo minora, acuminata acuta, superne 

 irregulariter angulata vel denticulata; lobulo breviore magno, plus 

 minus profunde soluto, acuto vel obtuso. Amphigastrium florale perian- 

 thio subaequilongum, optime spathulatum, lobulis utrinque breviter 

 connatum, apice quam basis duplo latiore, late emarginato, lobis acutis 

 brevibus. Androzcia ignota. 



Hab. Insula Cuba. 



18. Leptolejeunea moniliata St. n. sp. 



Dioica, exigua, flavescens, foliicola. Caulis ad 7 mm. longus, irre- 

 gulariter remoteque pinnatus. Folia caulina remotiuscula, oblique 

 patula, parum concava, in plano optime elliptica subsymmetrica 

 (0,58 mm. longa, 0,25 mm. lata) apice obtusa vel rotundata. Cellulx 

 superae 12 p., basales vix longiores; ocelli 5, in medio folii seriati, 

 infimi 25X50 {t, reliquis sensim minoribus. Lobulus magnus, folio 

 triplo brevior, subrecte patens, sublinearis, triplo longior quam latus, 

 carina leviter arcuata, levi sinu in folii marginem excurrens, apice 

 quam basis parum latiore, recte truncato, angulo obtuso. Amphigastria 

 caulina majuscuia, disco integro late obcuneato, duplo latiore quam 

 371 



