Leptolejeunea. FRANZ STEPHANl. 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 mra. lata) 

 late acuminata, acuta, margine antico sparsim remoteque denticulato. 

 CeUulse superae 18X27 ^ validse, basales 18x36 [i; ocelli 27X36 [t. 

 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, 4 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; plicse posticse breviter decurrentes, 

 similiter truncatae similiterque armatae. Folia floi^alia perianthio parum 

 brevlora, 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 subsequilongum, optime spathulatum, lobulis utrinque breviter 

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

 brevibus. Andrcecia 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. Cellulse 

 superse 12 ji, basales vix longiores; ocelli 5, in medio folii seriati, 

 inflmi 25X50 (x, 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, anguloobtuso. Amphigastria 

 caulina majuscula, disco integro late obcuneato, duplo latiore quam 



371 



