[OONES MUSCOKUM. \~-\ 



HYPNUM CYLINDRICARPUM, C. Mull 

 Tab. 109. 



Plants in casspitibus intricato-implexis demissis extensis e 

 viridi fusco-aureis subnitidis degentes. 



Caulis gracilis, repens, divisus, densius pinnato-ramulosus ; 

 ramulis tenuibus 3 - G-linearibus compresse foliosis. 



Folia bifariam laxe incumbentia, plus miims deorsum falcato- 

 secunda, anguste oblongo-lanceolata, longe tenuiter acuminata, 

 concava, apice argute serrata, margine prsesertim inferiore re- 

 curva ; costa gemella perbrevi vel subnulla ; reti lineari, cellulis 

 ad basis angulos amplis subquadratis vesiculosis : perichastialia 

 laxe imbricata, erecta ; interiora oblonga, filiformi-attenuata ; su- 

 perne grosse serrata, ecostata. 



Flores dioici, paraphysati : plantae masculae femineis rnixtae ; 

 perigoniis basi radicantibus. 



Capsula cjlindraceo-oblonga, aequalis, recta et erecta, quan- 

 doque subin aequalis erecto-incurvula ; pedicello tenui longiusculo ; 

 peristomii lutescentis dentibus lineali-subulatis crebre articulatis 

 hyalino-marginatis, ciliis dentes aequantibus carina rimulosis, 

 membrana basilari angusta, ciliolis rudimentariis vix ullis ; oper- 

 culo conico oblique longius subulirostro ; calyptra dimidiata an- 

 gusta ad operculi basin porrecta. 



Hypnum cylindricaepum, C. Miill. Synop. Muse. 2, p. 308 (1851) ; Sulliv. 



Mosses U. States, p. 71 ; Sulliv. & Lesqx. Muse. Bor.-Amer. Exsicc. (ed. 1), 



No. 300. 

 Leskea polyantha, var., Sulliv. Muse. Alleghan. No. 60. 

 Leskea tenuirostris, Sehimp. in litt. (1848) ; Sulliv. in Gray, Man. Bot. 



ed. 1, p. 668. 



Hab. On decayed logs in woods, New Jersey to Ohio, and 

 southward along the Alleghany Mountains to Georgia. 



