ICONES MUSCOKI'M. L61 



HYPNUM ALLEGHANIENSE, C. Mull 



Tab. 103. 



Plants arbusculseformes, majusculao, cacspites laxos rigidos 

 elasticos formantes, colore saturate viridi insignes. 



Caulis secundarius bi-triuncialis e caule prostrato rhizoma- 

 toideo ortus, inferne erectus, simplex, firraus, nudus vel foliolis 

 scariosis appressis instructus, rufo-brunneus nitens, superne con- 

 ferte pinnato- vel subfasciculato-ramulosus, arbusculam imitans. 



Folia caulis superioris et ramulorum densius et subcompla- 

 nate disposita, erecto-patentia, ovato- vel elliptico-oblonga, apice 

 lata breviter acuta, grosse serrata, concava, incurviuscula, basi 

 constricta subamplexautia ; costa dorso superne dentata infra 

 apicem finiente ; retis cellulis superioribus ovali-ellipticis granu- 

 loso-chlorophyllosis, inferioribus oblongis inanibus : perichaetialia 

 erecta, tenui-acuminata, ecostata. 



Flores synoici et raonoici, cauligeni et ad ramorum basin siti, 

 copiose paraphysati ; antheridiis longe pedicellatis. 



Capsula ovali-oblonga vel oblonga, a3qualis vel inasqualis, in 

 pedicellum 5 - 8-linearem curvato-inclinatum ramos vix super- 

 eminentem sensim defluens, horizontalis, macrostoma, baud pla- 

 giostoma, anguste annulata ; peristomio hypnoideo, ciliis carina 

 plus minus fissis, ciliolis longis ternatis appendiculato-articulatis ; 

 operculo convexo-conico oblique rostrato ; calyptra parva dimi- 

 diata fugaci. 



Hypnum Alleghaniense, C. Miill. Synop. 2, p. 502 ; Sulliv. Mosses U. 



States, p. 69; Sulliv. & Lesqx. Muse. Bor.-Amer. Exsicc. (ed. 1), No. 288. 

 Hypnum neckeroides, Hook, ex Hook. & Wils. in Drumm. Muse. Amer. 



Coll. 2, No. 119. 

 Thamnium Alleghaniense, Bryol. Europ. 



Hab. On rocky and shady banks, in mountainous districts, 

 n 



