Flowerless Plants. 639 



Arrhenopterum. Hedw. 



heterostichum, Hedw. Byrum arrhenopterum, Dill. 

 Bartramia. Hedw. 



crispa? Sw. B e. 



fontana, Hooker. 



gracilis, Sm, Oederi, Schwaegrichen. 



pomiformis, Hedw. 

 Bryum L. 



androgynum, Hedw. 



aureum 



argenteum, L. B e. 

 caespiticium, L. B e. 

 cuspidatum, Schreb. B e. 

 nutans, Schreb. Webera nutans, Hedw. B e. 

 punctatum, Schreb. 

 roseum, Schreb. B e. 

 triquetrum, Turner. Meesia longiseta Hedw. 

 turbinatum, Sw. 

 Buxbaumia L. 



|| aphylla, L. 

 Catharinea Ehrharst. 



undulata, Web. & Mohr. Polytrichum undulatum, Hedw. 

 Climacium Web. & Mohr. 



Americanum, Brid. Hypnum dendroides, L. B e. 

 Dicranum Hedw. 



cerviculatum, Hedw. 

 glaucum, Hedw. B e. 

 heteromallum, Hedw. B e. 

 orthocapon, Hedw. B e. 

 polycarpum, Ehrh. 

 scoparium, Hookr. & Tay. B e. 

 strictum, Brid. 

 undulatum, Ehrh. 

 Diphyscium. Web. & Mohr. 



foliosum,Web. & MohT.Hymenopogonfieterophylluin, P.deB. 

 Didymodon Hedw. 



purpureum, Hooker & Tay. Dicranum purpureum, Hedw. 

 Diplocomium. Web. & Mohr. 



longisetum, Web. & Mohr. B e. Metsia longisela. 

 Encalypta Schreb. 



ciliata, Hedw. Deerfield. 

 Fissidens Hedw. 



adianthoides, Hedw. 

 taxifolius? Hedw, 

 Fontinalis L. 



antipyretica, L* B e. 

 squamosa, J. Porter, Mass. 

 Funaria Hedw. 



flavicans, Muhl. B e. 

 hygrometrica, Hedw. B e. 

 Grimmia Hedw. 



leucophoea, Hook. & Tay. 

 ovata ? 

 pilifera, MX. 

 pulviuata, Smith. 



