269 
dense trabeculatis, linea media angusta notatis; membrana interna 
hyalina, cruribus carinatis leviter trabeeuls ts, ciliis rudimentariis 
interjectis. - Calyptra angusta subulata, semieucullata, .latere fissa, 
basi crenulata.  Perigonium pusillum; foliis ovatis acutis, integer- 
rimis, enervibus, cellulis bryoideis hyalinis, antheridiis elliptieis, 
intense coloratis, paraphysibus nullis. — Parce sub Nr. 7423. 
Hypno microstegio O. M. maxime affine, seta graciliore et 
longiore primo visu discernendum. 
91.  Hhizo-Hypnum Versipoma n. sp. Microthamnium Mitten. 
Monoicum; late prostratum ramosissimum, plumose molle, 
pallide viride. Caulis adscendens mierothamnius, basi purpureo- 
fuseo-tomentosus, laxifolius; coma irregularis ramosa, apice deeur- 
vato-acrorhizans. Folia caulina remota, squarroso-patula e basi 
semiamplexieaulia cordata, reniforme-triangularia, lanceolato-acumi- 
nata, apiee parce dentata, enervia; cellulis alaribus subreetangulis 
cerassiretis pellueidis, intermediis densis linearibus, lateralibus et 
superioribus laxioribus subpellueidis; folia ramorum undique imbri- 
cata subdistiche patula, ereeta, ovato-lanceolata aeuminata, fero 
undique remote denticulata; nervis pallidis fere ad medium folii 
productis, interdum obsoletis; cellulis linearibus dense aggregatis 
reticulata, subdiaphana; perigonalia ovata longe lanceolata aeu- 
minata subintegerrima enervia, laxius reticulata pellucida; folia 
periehzetialia e basi latiore ovato-lanceolata loriforme - acuminata, 
capillari-setacea integerrima,  enervia, cellulis basi reetangulis, 
versus folii apicem linearibus, subula diaphana. Seta subuncialis 
rubens, apice paulo incrassata.  Theca prius obovata horizontalis, 
opereulo crasse conico-subulato recto, deinde mutans et versiflexa, 
deopereulata ore constricto; peristomii dentibus externis lanceolatis, 
longissime subulato-aeuminatis, basi modiee, medio remote trabecu- 
latis, apice eapillaribus hyalinis; inter. cruribus luteis carinatis 
latioribus, lanceolatis, acuminatis, subulatis, ciliis brevibus binis 
pallidioribus interpositis; calyptra pallida glabra. — Nr. 9096. 
Ab H. aerorrhizo Hornsch. differt: mollitie (nec ramis rigidis) 
foliis minus dentatis (nec serratis) theca curvata deopereulata ore 
