h \ 



MUSCI. 



Gems II. HELICODONTIUM Scligr 



I. H. tenl'irostre Schgr. , C. Mull, sub Hypno in Syn. II, An. 



Mirador (Liebmann in herb. Schimper). 



Genus 111. HAPLOHYMENIUM Dz. et Molk. 



1 . II. denscm Sch. — Monoicum ; caulis tenellus, fusco-viridis, repens, dense caespitosus, ramis filifonnibus 

 erectis vel circinatis; foiia caulina minuta ovato-lanceolata , integerrima, sicca appressa, subjulacea, humida 

 crecto-patula ; cellulis quadratis subpapillosis; cosla infra apicem evanida. Capsula in pedicello geniculato 

 ad apicein incrassato torto, cylindrica, subapopbysala. Peristomii dentes externi lanceoiati obtusi rugulosi, 

 sicci in orbem involuli; processus brevis dentibus rudimentariis. 



Mirador (Liebmann). 



Tr.bus III. PSEUDOLESKE,E Br. et Sch. 



Genus I. PSEUDOLESKEA Br. et Sch. 



1. P. pr.elonga Sch. in herb. (Heterocladium Mexicanum Sch. in herb. Lorentz). — Monoica; caulis repens, 

 preelongus, atro-viridis, dense ramosus, ramis pinnatis brevibus filifonnibus obtusi usculis vel attenu a tis ra- 

 dicantibus, paraphyllis numerosis obtectus. Folia caulina ereclo-patula , late obovata, concava, biplicata, longe 

 cuspidala, acumine hyalino integro, cellulis incrassatis quadratis, opacis utraque pagina papulosis, costa lata 

 pallida infra apicem evanida; folia ramulina minutissima, ovato-lanceolata, obtuse acuminata, concava, valde 

 papillosa, costa mi no re. Flores masculi infra perichaetium in ramo primario gemmacei, foliis perigonialibus 

 ovato-lanceolatis, concavis, pellucidis, laevibus, apice subcrenulatis, ecostatis. Perichaetium sordide albidum 

 minus, foliis longe lanceolatis, costa sub apice evanida, acumine longe loriforme integro flexuoso. Capsula 



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in pedicello semipollicari rubello laevi, ovato- cylindrica sub ore valde constricta, incurva, eurystoma; an- 

 nulum? Operculum late conicum brevi-rostratum. Peristomii dentes externi incurvi, interni flavidi subhiantes 

 [uilongi; ciliis binis vel singulis subappendiculatis, subaequilongis. 



Cerro de Cruz (F. Muller). 



nr> 



( 



Inter Pseudoleskeam et Heterocladium medium tenet; a priore foliis longe latequc unicoslatis, cellulis uni- 

 formibus, a secundo caulium foliis ramulinis majoribus, recedit. 



2. P. subcatenulata Sch. (P. Licbmauni Sch. Bryol. Europ.). — Monoica; caule ramisque brevibus, fili- 

 formibus,radicantibus, erecto-flexuosis, remotis; folia caulina sicca, imbricata, humida erecto-patentia, late 

 ovata, concava, margine parce recurvo, costa lata albida sub apice hyalino-evanida, cellulis margine promi- 

 nulis papillosis. Perigonium in caule primario nascens, foliis late concavis cymbiformibus hyalinis ecostatis 

 vel obsolete costatis, apice incrassatis. Perichaetium longum, lutescens, imbricatum, foliis late ovato-lanceolatis 

 plicalis integris longe cuspidatis, costa continua. Capsula in pedicello laevi rubello flexuoso, cernua, arcuata, 

 sub ore coarctata. Peristomium ut in P. catenulata, ciliis solitariis vel lernatis saepe coalescentibus. 



Hualusco (Liebmann). 



A P.catenuhta floribus monoicis, foliis caulinis valde longeque costatis, foliis perichaetialibus apice lori- 

 formibus primo visu differt. 



Tribcs IV. THUIDLE Sch. 



Gems I. THUIDIUxM Sch. ' 



Subgenus I. ORTHOTHUIDIUM Sch. 



1. T. ortiiocarpum Besch. (Leshea tamariscina Sch. in herb. Mus. Par.; Orthothuidium tamariscinum Sch. in 

 herb.). — Caulis tenellus decumbens repens ramosus paraphyllis obtectus, ramis brevibus simpliciter pin- 





































