31 



florescenlia dioica, foliis minus profunde serratis eorumdemque direefiftne 

 squarroso-reflexa. 



( 6 ) Bartramia Prabakliana Dz. et Mb. Dioica, laxe caespitosa, hanflii; 

 caulis e basi decumbente adsceudens vel erectus, lomenlo denso ferruuineo 

 ad apicem usque inveslitus, innovationibus ramulisve slellatim disposilis lulco- 

 viridibus fasciuculato-ramosus ; folia conferta, ereclo-patula , slricla, coraalia 

 rcliquis parum longiora, ovalo -lanceolala , costa longe excurrente et parum 

 flexuosa piliformi-cuspidala, cariuato-concaviuscula margine parum rivoluto 

 reraote denliculala, dorso praesertim in costa papilloso-scabra, areolalione e 

 cellulis elongate quadratis , ad basin folii parum lalioribus ; folia perichaetii 

 e basi laliore longius et tenerius cuspidata ; Capsula iu pedicello basi geni- 

 culalo, firmo, valde elongato, flexuoso, siccando haud lortili, apice incrassato, 

 oblique erecto horizontalis, magis minusve venlricosa, profunde sulcata, sab- 

 sphaerica; operculura convexiusculum , breviter mamillalum; peristomium 

 duplex: exterius e dentibus sedecim erecto-incurvis, lanceolalis, trabeculatis, 

 linea divisuriali notalis; inlerius e membrana lutea, altius exserta, sedecim 

 plicata, apice in processus cotidem bicrures producta interjeclis ciliolis 1-2. 



Obs. Affinis Bartramiae rigidae D. Not., quae florescenlia monoica jam 

 sufficienlem notam differenlialem largitur. 



( 7 ) Trichostomum Krintjingianum Dz. et Mb. Dioicum , gregarium , ter- 

 restre, huraile, erectum, simplicissimum vel innovando infra comara perichae- 

 tialem subdichotome ramulosum; folia patula vel subsquarrulose recurva, sic- 

 citate tortilia, inferiora minora, superiora sensim longiora et in coraam stel- 

 latam congesta lauceolata, acutiuscula, sub laevia, costata, costa valida conco- 

 lori apicem planiusculum attingente profunde carinata, margine parum flexuoso 

 revoluta , integerrima vel sub majori augmento apice nonnumquam cellulis 

 prominulis subdenticolata, areolalione e cellulis basi rectangularibus elongalis 

 pellucidis, superne miuoribus quadralo-subrolundis chlorophyllosis semipel- 

 lucidis; folia comae perichaetialis longiora, intimis duobus convolutis vaginu- 

 lam et pedicelli basin vaginantibus , basi laxius et pellucidius areolata ; Cap- 

 sula in pedicello elongato, plaota ipsa bis terve altiore rubro-purpureo laevi 

 flexuoso et siccando valde tortili magis minusve incliuata, siccando horizon- 

 talis, basi subinaequalis, cylindrica, laevis, siccando angustata et versus 

 apicem subtetragona, exannulata; peristomii dentes erecto-recurvi , siccando 

 ereclo-incurvi, capsulae orificio interno demissius inserti, luteo-rubri, perfo- 

 rati vel ad basin usque bicrures, papilloso-rugulosi. 



( 8 ) Didymodon cuspidalum DZ. et Mb. Dioicum, laxe caespilosam, fra- 

 gile, luleo-viride, laxe foliosum, dichotome ramosum, flexuoso-ereclum; folia 

 inferiora breviora, superiora sensim longiora, e basi breviter vaginante erecta 

 patentissima, flaccida, varie tortuoso flexa, siccando cirrhoso-tortilia, aogusia, 

 elongate lineari-acuminata, costata, costa valida in cuspidulum hyalinum ex- 

 currente, pappillosa, carinato-complicata, margine undulato cellulis prominu- 

 lis crenulata; areolalione e cellulis confertis rainutis quadralo-subrolundis 

 velde chlorophyllosis subopacis, iu folii basilari parle laxioribus inanibus 

 elongate hexagono-quadralis; folia perichaetii basi paullo latiora ceterum 

 caulinis similia; Capsula in pedicello laevi capillari lutesceute mediocri erecta 

 cylindracea, parva, leptoderma, pallide fusca, laevis, exaunulata ; peristomium 



