HYPNUM COMPACTUM, C. Müll.
Tab. 123.
Plantæ graciliores, condensato-cæspitosa), in cacspitibus latis plus minus profundis supcrne viresccntibus inferne rubiginosis degentes.
Caulis tenuis, uncialis et ultra, plerumque erectus, fasciculato-ramosus, toto fere longitudine stupa radiculari obrutus; ramis conferte foliosis.
Folia undique erecto-patentia, rarius subsecunda, angustc ovato-lanceolata, sensim acuminata, basi decurrentia, caviuscula, margine præcipue inferiore leniter serrulata; costa crassa ad summam fere apicem perdurante; reti laxiusculo, cellulis angularibus paucis subquadratis, cseteris angulari-fusiformibus: perichætialia oblonga, subitius tenui-acuminata, apice distincte serrulata, costa debili.
Flores ex cl. Müller monoici.
Capsula erecta vel leniter inclinata, æqualis, oblonga vel sub-clavato-oblonga, raro subinæqualis incurvula, leptoderma, alte pedicellata, sicca sub ore magno constricta, collo distincto; peristomii dentibus lanceolato-linearibus dense articulatis pallidc luteolis, ciliis asquilongis in carina rimulosis, ciliolis singulis brevissimis; annulo simplici angusto; operculo conico brevissime tenui-rostellato; caljptra dimidiata brevi vix infra operculum procedente.
Hypnum compactum, C. Müll. Synop. Musc. 2, p. 408.
Hypnum serpens, var. compactum, Drumm. Musc. Amer. No. 188.
Hab. On decayed wood, British America, Drummond. Oregon, Lyall.
The compact mode of growth, the suberect clavate-oblong and wide-mouthed capsule, the short and slender rostrum of the
