ICONES MUSCORUM. lOf) 



HYPNUM OCCIDENTALE, StdUv. d Lesqx. 



Tab. 81. 



Plants dense caespitpsae ; csespites intricati, dcpressi, Isetc 

 subsericeo-virides. 



Caulis multoties divisus, filiformis, subrepens ; ramis valde 

 ramulosis prostratis, ramulis brevibus filiforraibus vel atteiiuatis 

 vel subiiicrassatis julaceis. 



Folia humectata erecto-patentia, siccitate imbricata, e basi 

 latiori ovata vel lingulata, obtusiuscula, concava, margine superne 

 denticulata, costa crassa ad medium producta ; areolatioiie e cel- 

 lulis minutis ovali-rhomboideis, alaribus quadratis miiioribus ; 

 perichsetialia basi vaginante erecta, superiora late ovata, superne 

 lanceolata, obtuse brevi-acuminata, reflexa. 



Flores dioici, secus ramos primordiales sparsi : masculi in 

 ramulis terminales, vel innovationibus laterales, numerosi ; gem- 

 mis ovatis crassiusculis ; archegoniis 6 brevi-pedicellatis, para- 

 pliysibus sequi-numerosis superne incrassatis. 



Capsula in pedicello subcygneo laevi (inferne purpureo superne 

 rubello sicco sinistrorsum torto vix unciam longo) oblongo- 

 ovata vel oblongo-cylindrica, incliuata, subcernua, vacua ore 

 dilatata, exannulata ; peristomii externi dentibus intus late 

 lamellosis, interni integris punctulatis, ciliis duobus brevio- 

 ribus interjectis ; operculo longe conico acuto brevius declivo- 

 rostellato. -j 



Hab. Roots and base of trees, Oregon, U. Hall. 



In its facies, color, depressed tufts, mode of division, etc., this 

 this species much resembles Pterigynandrum fiUforme. 



14 



