70 ICONES MUSCORUM. 



ORTHOTEICHUM CYLINDROCARPUM, Lesqx. 



Tab, 52. 



Plants liumiles, gracilcs, laxe pulvinatEe, obscure viricles, 

 infcrne nigricantes. 



Caulis simplex, nunc parce ramosus, 2-4 liueas lougus, dense 

 foliosus. 



Folia in sicco appressa, madcfacta erecta, e basi latiori elon- 

 gato-lanceolata, acutiuscula vel suboljtusa, costa vallda sub apice 

 evanida cariuata, margine revoluta, supernc ccllulis densis 

 ovato-quadiatis minute papillosis, inferne oblongis laxioribus 

 areolata. 



Flores monoici : masculi in ramis propriis sub pericha3tio 

 innovante terminales, raro axillares. 



Capsula in pedicello longiori exserta, cylindrica vel anguste 

 ovalls, pallide viridis, demum lutcola, obscure 8-striata, sublajvis, 

 vacua peranguste 8-costata ; peristomii duplicis dentibus IG per 

 paria approximatis granulosis 9-10-articulatis ; ciliis 8 robustis 

 subaequilongis e duplici serie cellularurii conformatis ; oper- 

 culo conico-apiculato ; calyptra valde pilosa capsulam fere totani 

 obtegente. 



Orthotrichum cylindrocaupum, Losqx. Trans. Amor. Phil. Soc. 1.3, 

 p. 6 ; Pioc Calif. Acad. 1, p. 17; Sulliv. & Lesqx. Muse. Exsicc. Auier. 

 (ed. 2), 178. 



OuTHOTRicuuM CouLTEiii ? Mitten in Proc. Linn. Soc. 8, p. 25. 



Hab. On rocks, Dardanell.e's Canon, California ; also on the 

 bark of Qnercus agrifolla, Bolander. 



Tbo spouics is closely allied to 0. tenellum, Bruch, differing in 

 tlic less acuminate and shorter leaves, the longer pedicel of the 

 lu-oadcr capsule, etc. 



