ICONKS MUSCOHUM. 201 



HYPNUM COMPACTUM, C. Mull. 



Tab. 123. 



Plants graciliorcs, condensato-caespitosa), in cacspitibus latis 

 plus minus profundis supcrne viresccntibus inferne rubiginosis 

 degentes. 



Caulis tenuis, uncialis et ultra, plerumque erectus, fasciculato- 

 ramosus, toto fere longitudine stupa radiculari obrutus ; ramis 

 conferte foliosis. 



Folia undique erecto-patentia, rarius subsecunda, angustc 

 ovato-lanceolata, sensim acuminata, basi decurrentia, caviuscula, 

 margine prsecipue inferiore leniter serrulata ; costa crassa ad 

 summam fere apicem perdurante ; reti laxiusculo, cellulis angu- 

 laribus paucis subquadratis, cseteris angulari-fusiformibus : peri- 

 chaetialia oblonga, subitius tenui-acuminata, apice distincte ser- 

 rulata, costa debili. 



Flores ex cl. Miiller monoici. 



Capsula erecta vel leniter inclinata, asqualis, oblonga vel sub- 

 clavato-oblonga, raro subinasqualis incurvula, leptoderma, alte 

 pedicellata, sicca sub ore magno constricta, collo distincto ; peri- 

 stomii dentibus lanceolato-linearibus dense articulatis pallidc 

 luteolis, ciliis asquilongis in carina rimulosis, ciliolis singulis 

 brevissimis ; annulo simplici angusto ; operculo conico brevis- 

 sime tenui-rostellato ; caljptra dimidiata brevi vix infra opercu- 

 lum procedente. 



Hypnum compactum, C. Miill. Synop. Muse. 2, p. 408. 



IIypnum serpens, var. compactum, Drumm. Muse. Amer. No. 188. 



Hab. On decayed wood, British America, Drummond. Ore- 

 gon, Lyall. 



The compact mode of growth, the suberect clavate-oblong and 

 wide-mouthed capsule, the short and slender rostrum of the 



