20 BUXBAUMIACEAE 



C. Macmillani Holzinger. "In dry exposed situations," 

 New Haven and Orange, Bry. Ct. 



C. undulata (L.) W. & M. Moist soil in woods. Infrequent 

 except in N. J. Orient, Latham, Prospect Park, Jelliffe, Bx!; 

 Rosedale, L. Id.!!; Banks of the Bronx River, Bronx Park, E. 

 G. B. Bx!!; New Dorp, Princes Bay and Richmond, S. Id., E. 

 G. B. Bx! 



Family 5. BUXBAUMIACEAE 



Plants very small, almost or quite stemless; growing on earth 

 or rotten wood; leaves few or none; perichaetial leaves present 

 but often disappearing long before the maturity of the capsule. 

 Capsule very large in proportion to the size of the plant, oblique 

 and asymmetric. Calyptra small, conical. Peristome single 

 or double. 



A most peculiar and fantastic family, the members of which 

 will be readily recognized by a comparison of the photographs 

 given in PI. I. 



Key 



Leaves large and conspicuous Webera 



Leaves absent when sporophyte is mature Buxbaumia 



BUXBAUMIA Haller 



B. aphylla L. Closter, Flora N. J.; Five collections from 

 Bronx Park by E. G. B. and R. S. W., Bx!; Yonkers, Mrs. 

 Northrop, Bx!; Lawrence, L. Id., Brainerd, also Jamaica and 

 Cold Spring!! Autumn to spring. 



WEBERA Ehrh. {Diphyscium Mohr.) 

 W. sessilis (Schmid.) Lindb. Frequent!! July. 



Suborder II. Arthrodonteae 



Peristome teeth thin, derived from the cell- walls of a single 

 layer of cells of the sporogonium, transversely barred, sometimes 

 entirely lacking. 



