POGONATUM BREVICAULE, Brid.
Tab. 47.
Plantæ humiles, laxe gregariæ, c protliallio confcrvoidoo persistente enascentes.
Caulis simplex, 2–3-linearis, basi radiculis copiosis instructus, densissime foliosus.
Folia infima minuta, appressa, late ovata vel obovata, acuminulata; media majora erecto-patentia, amplexantia, lanceolato-acuminata; perichoatialia maxima, e basi oblonga membranacea obsolete costata vaginante subitius producta in acumen longum erectum obtuse serratum costaque lata lamellosa fere impletum, lamellis in sectione transversali capitato-clavæformibus.
Flores dioici: masculi nondum observati.
Capsula elongato-cylindracea, in pedicello subunciali erecta, papillosa, collo indistincto; peristomii dentibus 32 lingulatis ad latera hyalinis in medio rufo-aurantiis; columella 4–7-alata; operculo e basi depresso-convexa tumida curvulirostro; calyptræ indumento villoso capsulam pro parte maxima vel to tarn obtegente.
Pogonatum brevicaule, Brid. Bryol. Univ. 2, p. 114; Sulliv. Mosses U. States, p. 41.
Polytrichum Pennsylvanicum, Hedw. Sp. Musc. p. 96, t. 21.
Hab. Moist clayey banks, Eastern States and westward.—Common.
TAB. 47.—Pogonatum brevicaule.
1. Plantæ naturali magnitudine.
2. Planta fertilis.
