123 



L. (Prionolejeunea) leptocardia, Spruce, Hep. A. et 



A. In Acrosticho, cum priore, pulchre fructifera. 



L. (Prionolejeunea) denticulata, Web. In Plagiochi- 



//i" frequenter reptans. Sterile plants of one or two apparently 

 distinct species also occur, but very sparingly. 



L. (Prionolejeunea) microdonta, G. In Plagiochila, 



parclssime, 



Lejeunea (Ceratolejeunea) malleigera, n. sp. 



Monoica, pusilla, rufo-badia, subbipinnata, caule semipollicari 

 prostrato. Folia sat magna, subimbricata, late patentia, vix de- 

 curvula, late dimidiato- ovata, subfalcata, integerrima, abrupte 

 acuta, rarius subobtusa, recte vel subsinuato-complicata, lobulo 

 5-plo breviore, ovato-rhomboideo, subinflato, truncato ; cellulae 

 parvulae, leptodermes, subconformes, basin et marginem posticum 

 versus sensim submajores. Foliola triplo breviora, distantia, 

 ovalia, ad ^' bifida, segmentis acutis vel subobtusis. Flores ? 

 in ramo pro m. brevi, innovatione suffulti. Bracte^ appressae, 

 foliis breviores, complicato-bilobae, lobis semiobovato-Ianceolatis 



obtusatis; bracteola cuneato-Ianceolata, ad ^ bifida, segmentis 



acutis. Perianthia nisi pro cornibus immersa, obovato-obconica, 

 sat compressa, tetragona, angulis duobus posticis in cornua cla- 

 vata (forma potius bicipitis mallei) erecta protracta, clavis api- 

 calibus sat magnis subcylindricis, pallidis, reticulatis, ad speciem 

 stipitatis. Andrcecia spicata ; bracteae subdissitae, oblongo-cyni- 

 biformes, fere ^qtiilobae.v~Folia .75 X.5, lobulus .15, cellulae iV ; 

 foliola .25X.15; bractese .5, bracteola .4; perianthia .4 X. 2 (sine 

 malleis .3 ; capite .2, stipite .1"^^.) 



Hab. In fronde Acrostichi, in Andibus Boliviae orientalibus 

 (No. 3,025 p.p.). 



Lejeunea (Ceratolejeunea) fastigl*\ta, n. sp. 



Dioica, elata, olivaceo-badia, caulibus 2-'^ poUicaribus, arete 

 caespitosis, fastigiatis, subsimplicibus, rarius ramulis parvifoliis 

 pinnulatis. Folia magna, subimbricata, valde decurvo-concava, 

 semicordato-oblonga vel ovato-oblonga, basi antica caulem late 

 transeuntia, postica subrecte lobulata, lobulo minuto ovoideo 

 apice inflexo, in ramis interduni majore et saccato, raro in utricu- 

 lum magnum dilatato, apice plerumque subabrupte brevi- 

 apiculata rarius 2-4 denticulata; cellulae mediocres, subpellucidae, 

 conformes, basin versus pauIo majores ocellum vix sistentes. 

 Foliola foliis subrEquimagna, late orbiculata, basi profundissime 

 cordata, apice rima triangular! ad % fissa, segmentis subacumi- 



