ICONES MUSCOIIUM. 199 



IIYPNUM ORTHOCLAUON, Beam. 



Tab. 122. 



Plant^e proccriores, in csespitibus laxis extcnsis tumesccntibus 

 profundis e saturate viridi flavescentibus degcntes. 



Caulis prostratus, 2 - 3-uncialis, divisus, valde radiculosus, ra- 

 mos simplices vel subpinnatim ramulosos numerosos erectos un- 

 ciales et longiores proferens. 



Folia caulis ej usque divisionum e basi cordata late ovata, lon- 

 gius acute acuminata ; ramorum et ramulorum angustiora ; om- 

 nia laxiuscula, erecto-patentia, modice concava, integerrima vel 

 obscure serrulata ; costa crassa ad summum fere apicem pertin- 

 gente ; textura (in vivis) carnosiuscula e cellulis cblorophyllosis 

 satis minutis subrhomboideis formata : perichaetialia erecta ; in- 

 teriora membranacea, lineari-areolata, substriata, oblongo-lanceo- 

 lata, apice obtusiuscula distincte dentata, debinc costa latissima 

 excedente breviter cuspidata. 



Flores dioici in caule primario, paraphysati ; perigonialibus 

 ecostatis apice attenuatis. 



Capsula majuscula, in pedicello longo flexuoso rubro oblongo- 

 cylindracea, leviter incurvo-cernua, sicca arcuata sub ore Con- 

 tracta, e luteo fuscescens, longicolla ; annulo simplici angusto ; 

 peristomii dentibus lanceolato-subulatis basi coalitis auranteis, 

 ciliis aequilongis in carina vix rimulosis eque membrana pallidiore 

 plicata medios dentes sequante ortis, ciliolis longis binatis terna- 

 tisve nodoso-articulatis ; operculo amplo tumido-conico minute 

 apiculato. 



Hypnum orthocladon, Beauv. Prod. p. 72 ; Brid. Bryol. Univ. 2, p. 53 7 : 

 Hook. cSc Wils. in Di-uram. Muse. Amer. Coll. 2, No. 138, 139 ; Sulliv. 

 Mosses U. States, p. 78 ; Sulliv. & Lesqx. Muse. Bor.-Amer. Exsicc. (ed. 

 1), No. 347. 



Hypnum varium, Hook. & Wils. in Drumm. Muse. Amer. Coll. 2, No. 142. 



Hypnum serpens, var varium C. Mull. Synop. Muse. 2, p. 412. 



