[CONES MUSCORUM. 1*7 



HYPNUM ACUMINATUM, Beam. 



Tab. 116. 



Plants ctcspites late extensos, nunc laxos profundos nunc 

 deprcsso-densiusculos, efformantes, colore e saturate viridi lute- 

 scenti-sericco insignes, copiose capsuligersc. 



Caulis prostratus, radiculosus, vetustior subdenudatus ; ramis 

 vage vel remotius disticlie ramulosis, ramulis inaequalibus acutis 

 plumoso- vel subjulaceo-foliosis. 



Folia conferta, undique erccto-patentia, recta, elongato-ovata 

 acuta, vel ovato-lanceolata longius breviusve anguste acuminata, 

 concava, marginibus prsesertim inferioribus recurva, e medio ad 

 apicem leniter serrulata, vix striata ; costa supra medium evancs- 

 cente ; textura tenui, cellulis virescentibus elongatis utrinque 

 acutis, angularibus concoloribus latioribus subquadratis granu- 

 losis : pericliajtialia laxa, laxius reticulata, longe filiformi-attenu- 

 ata, superne vario modo curvata, costa longiore vel breviore quan- 

 doque obsoleta. 



Flores dioici, numerosi, paraphysati, ramigeni. 



Capsula cylindracea-oblonga vel anguste oblongo-elliptica, 

 recta, erecta, asqualis, raro asymmetrica atque curvula, in 

 pedicellum rutilantem subuncialem sensim defluens, rufescens, 

 exannulata ; operculo altius conico ; peristomii dentibus lineali- 

 lanceolatis minus crebre articulatis quam icon indicat, ciliis an- 

 gustis punctatis in carina hiantibus, ciliolis subnullis. 



Hypnum acuminatum, Beauv. Prod. p. 60; C. Miill. Synop. Muse. 2, p. 



335 ; Sulliv. Mosses U. States, p. 75. 

 Hypnum erectum, Drumm. Muse. Amer. No. 224. 

 Leskea acuminata, Hedw. Sp. Muse. p. 224, t. 56 ; Brid. Bryol. Univ. 2. 



p. 296; Hook. & Wils. in Drumm. Muse. Amer. Coll. 2, No. 126-128. 

 Leskea setosa, Hedw. Sp. Muse. p. 226, t. 57; Brid. Bryol. Univ. 2, p. 



302 ; Hook. & Wils. in Drumm. Muse. Amer. Coll. 2, No. 124 & 125. 

 Leskea RUPiNCOLAy Hedw. Sp. Muse. p. 227, t. 54 ; Brid. Bryol. Univ. 2, 



p. 302. 

 Leskea Beyriciiii, Hampe in Linnaja, 13, p. 47. & Icon. Muse. t. 7. 



