220 



Patria. Venezuela, in montibus nivosis pro- 

 vinciae Merida : Moritz. 



Inter congeneres Oncopliori foliis undulatis ve- 

 luti Dicranum scoparium, cui habitu persimile. 



25. D. destruetile C. Müll.; latissime cespitosum 

 radiculis laxe intertextum et cohaerens albescenti- 

 flavescens gracile , penicillum teneruin parum enr- 

 vatum facile destruetile itaque pro more substrictum 

 apice sistens , basi multoties in ramos pergraciles 

 divisum; folia cauliiia laxe erecto - patentia subse- 

 eunda , vix falcata, e basi lato-oblongä longo lan- 

 ceolato-acuniinata, summitate soluni subabrupta den- 

 tata , eymbiformi-coneava, fragilia margine ereeta, 

 nervo latissimo foliitm fere totum oecupante levi 

 ad basin libroso - deenrrente percursa; lamiiia folii 

 angustissima e cellulis teneris pellucidis elongatis 

 reticulata; cellulae alares paucae pellucidae tener- 

 rimae marcescentes planae vel parum ventricosae. 

 Caetera ignota. 



Patria. Mexico : Schiede legit. 



D. albescenti proximum , sed ab omnibus Cam- 

 pylopodibus foliis fragilibus primo visu diversum et 

 inter eos veluti Dicranum strictum. 



26. D. friabile Hmp. (in litteris); humile late 

 cespitosum sericeo-albescenti-flavescens suberispa- 

 tum parum divisum intertextum sed laxe cohaerens 

 fragile ; folia cauliiia snbhomomalla laxe disposita 

 parva angustissima setacea, e basi lanceolata cym- 

 biformi- coneavä sensim in subulam longiusculam 

 plus minus iuvolutam angustissimam summitate den- 

 ticulatam protraeta, nervo subulam omnino oecu- 

 pante percursa, ubiqtie levia ; lamina folii ultra me- 

 dium excurrens tencra pellucida Iaxiuscule reticu- 

 lata albescens , cellulae alares paucae laxae tener- 

 rimae pro moie deeiduae; perieb. interna in cylin- 

 ilrum angustissimum clongatum congesta, e basi va- 

 ginante elongata laxius reticulata longe snbulata; 

 theca in ped. rubente longiusculo torto erecto hu- 

 more cygueo ereeta, parva elliptica, dein oylindrica, 

 sulcata ore constrieta olivaeeo-badia, opercnlo brevi 

 conico obliquo , calyptra glabra basi integra, an- 

 nulo lato , dentibus angustis rubris in crura brevia 

 regularia fissis. 



Patria. Costa-Rica , Las Nubes : Hampe misit. 

 A D. flexuoso affini virtutibus typograpliice ac- 

 curatius designatis primo visu differt. 



27. D. canescens C. Müll.; subelatum dense in- 

 tertextum baud tomentosum, inferne sordidum sum- 

 mitate pallescens pilis foliorum canescens, gracile 

 flexuosum subsimplex superne ramis appressis parce 

 divisum, nunquam proliferum, in comam parvam 

 sensim crescens; folia cauliiia siccitate atque hu- 

 more dense imbricata vel parum patula, e basi longe 

 fibroso - decurrente cymbiformi - lanceolato - acumi- 



nata, nervo lato levi canaliculato in pilum clonga- 

 tum hyalinum plus minus redexum parce dentatum 

 excedente percursa, integra: cellulae laminae folii 

 ultra medium protraetae parvae laxae elongatae pel- 

 lucidae marginem albescentem sistentes, apicem ver- 

 sus sensim minores densae, alares paucae marce- 

 scentes tenerrimae parum fuscatac vel albidac pla- 

 nae; perieb. immersa multo latiora , basi multo la- 

 xius et tenerius reticulata, intima couvoluta; tliecae 

 aggregatae in ped. deflexis levibus flavidis ereetae 

 ovales aequales minutae siccitate leviter sulcatae 

 badiae, lato annulatae , operculis conico-acuminatis 

 obliquis calyptrisque longe fimbriatis obteetae; pe- 

 rist, dentes angustissimi profunde bifidi, cruribus ca- 

 pillaribus nodosiusculis albidis leviusculis. 



Campylopus canescens Scliimp. in Lechler. PI. 

 ins. Maclovian. Ed. Hohenacker. No. 90. 



Patria. Insulae Maclovianae, in ins. Orient, 

 monte Mount William, 800 ped. alt. inter Cypera- 

 ceas, Sept. 1850: W. Lechler. 



D. leptoeephalo proximum, notis autem aecura- 

 tius designatis jam longe diversum. Planta anthe- 

 roidea nobis ignota. 



Gen. Bartramia. 



28. B. Tahitensis C. Müll.; dioica, late et laxe 

 cespitosa, laxe eofiaerens radiculosa v iridissima ; 

 caulis humilis gracillimus plumulose foliosus pal- 

 lescens (haud rufus) , apice minus uncinatus ; folia 

 cauliiia laxe disposita plumoso-ereeta, haud subse- 

 eunda, brevia, lato-lanceolata, strieta vel parum 

 curvata flaeeidiora, e cellulis laxioribus ampliori- 

 bus pellucidis bexagonis utriculo primordiale te- 

 nerrimo viridissimo instruetis reticulata , papillis 

 ad parietes cellularum obscuris praedita, margine e 

 basi fere usque ad apicem duplicato-serrulata, nervo 

 crasso cariuato viridissimo ante apicem dissoluto. 



Patria. Insula Tahiti. Van den Bosch donavit. 

 A B. laxissima javanica proxiwa characteri- 

 I bus expositiä differt. Fructificalio ignota. 



29. B. Bymenodon C. Müll.; gracillima tenerrima 

 , mollissima glauca prostrata laxissime intertexta 



flaeeidissima filiformis, ramulis inaequalibus flexuo- 

 sis curvatis saepius elongatis prorepentibus pluri- 

 bus subpinnatim divisa ; folia caulina siccitate 

 ! laxissime disposita tortilia minuta, huroore erecto- 

 patentia heteromalla (nunquam seeunda}, lanceolatc- 

 j acuminata, nervo basi fibroso decurrente pallido ca- 

 I rinato validiusctilo in cuspidem acutam longiusculam 

 hyalino- cellulosam denticulatam pellucidam exeor- 

 rente percursa, carinato-coneava, margine erecto 

 vel parum reflexo simpliciler serrulata, papillis tu- 

 berculosis ciliiformibus ubique scaberrima , e cel- 

 lulis parvis quadratis pellucidis teneris ob papillas 



