Bryum chibinense Schljak. sp. п.— В. barbatum Schljak. в Ботан. матер. Отд. спор, раст., VIII (1952) 217, non Wils. ар. Hunt.
Descrlptio. Caespltes laxi vel compactl, molles, grlseo-virldes vel prasini, interne fusci, 1.2—5 cm alti. Caules pauce ramosl, satis dense
follosl. Folia sicca vix crispula, omnia decurrentia, marglnibus non limbatis, integris, satis late revolutis; folia caulina patentia vel erecto-patentia, obovata, elliptlca vel suborblcularia, aplce plerumque sublte acuminata, (0.6) 0.7—3 mm longa et 0.6—1.6 mm lata; folia comalia erecto-patentia, obovata vel subelliptlca, aplce subito vel sat sensim acuminata, 1.4—3.4 mm longa et 0.9—2 mm lata. Costa flavido-vlridis, serius rubescens ad sanguineam, apud folia vetusta rubro-aurantia, ante apicem evanescens vel eum percurrens, apud folia superna brevissime excedens. Cellulae laminae laxae, parietlbus mediocrlter incrassatis, superne irregulariter sexangulares, 20—80 нм. longae et 20—33 нм latae (dimensiones mediocres 30—65 нм longae et 24—30 нм latae), basi rectangulares, 24—90 нм longae et 18—30 нм latae, interdum rubescentes.
Dioicum. Perlgonlum subdlscoideum; folia perigonlalia externa ovata vel triangulari-lingulata, apice acuminata vel acuta, marginibus revolutis, interna late ovato-triangularia, marginibus revolutis. Folia perichaetialia externa oblonga vel triangulari-lingulata, apice satis subito acuminata, marginibus revolutis, interna triangularia et oblongo-triangularia, marginibus planis, costa sub acumine evanescente. Vaginula elliptica. Seta rubiginosa, 1.5—3 cm longa. Capsula pendula vel nutans, obovata ad oblongo-pyriformem, 2.5—4 mm longa et 1 — 1.2 mm lata, collo 2/3 longitudinis urnae aequali, sicca sub orificio strangulate. Dentes exostomii 0.45—0.65 mm longi, fuscescenti-vel aurantiaco-flavi, punctato-papillosi, lamelll 25—35 (plerumque 30—32) superne tenulter angustati, flavidi, crasse papillosi; fundus aurantiacus. Endostomium flavidum, dense punctato-papillosum; membrana basllaris ca 1/2 altitudinis dentium aequalis; processus sat angusti, e basi oblongo-trlangulari in cuspidem longam angustati, interne elliptice, rarius fenestratim, superne rimose pertusi, cilia appendiculata. Annulus latus, revolutus. Operculum semiglobosum, breviter acuminatum, fuscidulum. Sporae 11 —18(20) p., olivaceo-virides. Matu-ratio sporarum Augusto vel initio Septembre.
Area geographica. Peninsula Kolaensis, montes Chlbiny, in locls herbosis sat frequens.
Typus speciel. Peninsula Kolagnsis, montes Chibiny, in ripa lapidosa ad cursum superiorem fluminis Juksporjok, № 2021, 8.VIII 1948, leg. R. Schljakov (cum sporog. matur.); in herb. Inst. Bot. Acad. Sc. URSS (Leningrad) conservatur. Cotypi: Ibidem, prope fontes fluminis Juksporjok, transitus Juksporlak, inter lapides, 22.VII 1947, leg. О. I. Kuzeneva (sterilis); № 2021a (cum sporog. juven.) et №№ 275, 1563, 1581, 1715, 1822, 1959, 2006, 2020, 2036a, 2164, 2264, 2422 (steriles), leg. R. Schljakov; ibidem nec non partim in herb. Horti bot. Arcto-alplni (opp. Kirovsk) conservantur.
Afflnltas. B. elegante Nees ex Brid. affine est, a quo follis majoribus, omnibus late decurntibus, marginibus revolutis elimbatis, nec non capsula majore et peristomlo longiore distincte differt.