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Rh HYPNUM HIANS, Hedw.

Tab. 104.

laxe depresso-cæspitantes, læte viridi-lutescentes, nitidi.

3–7-uncialis, pallidus, fiexilis, parce divisus, prorepens, fasciculato-radiculosus, irregulariter distiche ramulosus; ramulis subsimplicibus.

laxius complanato-disposita, lateralia valde patcntia, cordato-ovata, longius breviusve acuta, superne serrulata, marginibus plus minus recurvis; costa tenui supra medium abrupte desinente; reticulo e cellulis elongato-hexagonis exstructo: perichætialia longe tenui-acuminata, apice argute serrata recurvo-squarrosa, interna subecostata.

dioici, cauligeni; gemmis masculis oblongo-ovatis; antheridiis paraphysatis.

ovalis et oblonga, cernua, subincurva, annulata; pedicello 6–8-lineari rubello muriculato; vaginula paraphysibus longis e perichætio exsertis hirta; peristomii dentibus lanceolato-subulatis dense articulatis intus prominenter lamellosis, ciliis in carina rima longa hiantibus, ciliolis binis; operculo e basi convexo-conico longe subulirostro, rostro recto sursum vel deorsum spectante; calyptra angusta dimidiata fugaci.

Moist shady banks, hillsides, in woods, &c, common.

H. hians, Hedw., scarcely affords characters sufficiently decided to separate it from H. prælongum, Linn., a moss subject to