ICONES MUSCORUM.
193
HYPNUM HISPIDULUM, Brid.
Tab. 119.
Plantæ tenellæ, implexæ, cæspites densiusculos tenues læte virides infcrne ochraceos efficientes.
Caulis prostratus, radiculosus, inordinate et subpinnatira ramulosns; ramulis gracilibus erectis vel expansis.
Folia remotiuscula, horizontalia, squarrosa et squarroso-reflexa, mollia, e basi deltoideo-orbicnlari subitius longe anguste acuminata, decnrrentia, parum concava, toto fere margine leniter serrulata; costa gemella brevissima baud raro nulla; areolatione lineari-fusiformi, cellulis angulorum numerosis latioribus subquadratis granulosis: perichætialia albescentia, elongata, longius acuminata, acumine plerumque reflexo.
Flores monoici, cauligeni: antberidiis parapbysatis, perigonialibus tenui-acuminatis.
Capsula oblonga, erecto-curvula, vel horizontalis incurva, macrostoma, luteo-fuscidula; pedicello pro plantæ exilitate longiusculo tenui pallide flavescente; annulo simplici; peristomii dentibus lineari-lanceolatis luteolis firmis; ciliis dentes æquantibus inter articulationes rimulosis, ciliolis longis appendiculatis; operculo convexo-conico apiculato.
Hypnum hispidulum, Brid. Sp. Musc. 2, p. 198; Müll. Synop. Musc. 2, p. 440; Sulliv. Mosses U. States, p. 77; Musc. Alleghan. No. 37.
Hypnum Halleri, var.? Hook. & Wils. in Drumm. Musc. Amer. Coll. 2, No. 147.
Hypnum stellatum, var. hispidulum, Brid. Bryol. Univ. 2. p. 603.
Hab. Roots of trees and the ground, on dry rocky hillsides: not uncommon.
H. Halleri has a more pinnate ramification, and more crowded and more squarrose leaves; and. grows usually in dense fulvous