(VoL. V, 1913). FRANZSTEPHANI.SPECIESHEPATICARUM. DrepanoUjeunea^ 



apice triiiicatis, augiilis similiter corimtis. Folia flomlia perianthio 

 duplo breviora, auguste lauceolata, acuta, irregulariter denticulata, 

 suberosa; lobulo duplo breviore paruin soluto, obovato-oblongo, apice 

 obtuso; repando vel paucidentato. Amphigastrium (lorale lobulo 

 proximo connatum, anguste ligulatum, foliis floralibus aequilongum, 

 ad \/3 inciso-bifidum, laciniis porrectis oblongis acutis, marginibus 

 repandis. Androecia in ramulis terminalia, bracteis 4-8 jugis. 

 Hab. Brasilia, haud rara. 



19. Drepanolejeunea crassiretis Evans. Torr. Bot. Cl. 1903, 

 p. -25. 



Dioica, flavo-virens vel brunneola, laxe csespitans. Caulis irregula- 

 riter pinnatus, ramis longioribus late divergentibus. Folia caulina 

 parum imbricata, oblique patula vel suberecta, valde concava, ovato- 

 oblonga vel ovato-lanceolata (0,3 mm. longa, 0,17 mm. lata) brevis- 

 sima basi inserta, integerrima vel irregulariter subcrenulata, asymme- 

 trica, margine postico stricto. Lobulus magnus, folio duplo brevior, 

 oblique adscendens, oblongus, triplo longior quam latus, carina 

 arcuata, levi sinu in folium excurrens, apice quam basis vix angustiore 

 oblique truncato, angulo acuto, sub apice constrictus, Cellulse 19 {j., 

 trigonis magnis, basales longiores. Amphigastria caulina parva, caule 

 vix latiora, transverse iuserta, obcuneata vix latiora quam longa, emar- 

 ginato-bifida, laciniis angustis divergentibus. Flos femineus uno latere 

 innovatus. Folia floralia caulinis parum majora, similia ovato-oblonga, 

 leviter falcata, acuta, integerrima vel irregulariter repanda et denti- 

 culata; lobulus duplo brevior, linearis, obtusus, \\\ ioXwXw^. Amphigas- 

 trium florale ambitu obovato-obcuneatum, apice ad ^s emarginato- 

 bifidum, sinu amplissimo, lobis angustisdivergentibus obtusis. Reliqua 

 desunt. 



Hab. Puertorico. 



20. Drepanolejeunea crucianella (Tayl.) Evans. Torr. B. Cl. 

 1903, p. 33. 



Syn. : Lejeunea crucianelld Tayl. J. of Bot., 1846, p. 393. 



Leptolejeunea crucianella S. Hep. Am. And. 1884, p. 197. 

 Dioica flavescens vel fusco-virens, laxe csespitans, foliicola. Caulis 

 irregulariter remoteque pinnatus, ramis longioribus late divergentibus. 

 Folia caulina remotiuscula, oblique patula vel suberecta, pai'um con- 

 cava, in plano ovato-Ianceolata (0,3 mm. longa, 0,1 mm. lata) longe 

 acuminata, acuta, inedio utrinque lacinia longa angusta armato, sub 

 apice utrinque breviter bispinosa. Cellulse 14x18 jjl, trigonis nullis; 



329 



