FI-OEA OF WASHINGTON AND VICINITY. 141 



Leucobryum glaucum, Hampe. 

 Leucobryum minus, Hampe. 

 Fissidens minutulus, Sulliv, 

 Fissidens osmundioides, Hedw. 

 Trichostomum pallidum, Hedw. 

 Trichostomum glaucescens, Hedw. 

 Barbula unguiculata, Hedw. 

 Barbula caespitosa, Schwaegr. 

 Pottia truncata, Br. & Sch. 

 Tetraphis pellucida, Hedw. 

 Druminondia clavellata, Hook. 

 Orthotrichum Canadense, Br. & Sch. 

 Schistidium apocarpum, Br. & Sch, 

 Grimmia Pennsylvanica, Schwaegr. 

 Racomitrium fasciculare, Brid. 

 Hedvyigia ciliata, Ehrh. 

 Diphyscium foliosum, Web. & Mohr. 

 Atrichum undulatum, Beauv. 

 Atrichum angustatum, Beauv. 

 Pogonatum brevicaule, Brid, 

 Pogonatum urnigerum, Brid. 

 Polytrichum commune, L. 

 Polytrichum jimiperinum, Hedw. 

 Aulacomnium heterostichum, Br. & Sch. 

 Bryum pyrifonne, Hedw. 

 Brynm Wahlenbergii, Schwaegr. 

 Bryum argenteum, L. 

 Bryum pseudo-trlquetrum, Schwaegr. 

 Bryum caespiticium, L. 

 Mnium stellare, Hedw. 

 Mnium Drummondii, Br. & Sch. 

 Mnium cuspidatum, Hedw. 

 Bartramia pomiformis, Hedw. 

 Bartramia fontana, Brid. 

 Funaria hygrometrica, Hedw. 



