Family BRACHYTIIECIACEAE 



A VERY large cosmopolitan family, found in various 

 places. 



74. CAMPTOTHECIUM BryoL 

 (Camp-to- the-ci-um) 



Eur. 



A genus containing several species, but one occurring 

 in our range. Name derived from the Greek for 

 " bent " and a " little vessel," refer- 

 ring to the curved capsule. 



Plants growing in swamps and wet 

 meadows; yellowish- green; shining; not 

 common; fruit rare. 



Stems erect, thickly covered with brown 

 radicles; more or less regularly pinnate; 

 branches rather separated. 



Leaves straight, long and fiarrow, erect, 

 crowded; yellowish-green; shining. 



Seta reddish-brown. 



Capsule long-cylindrical, inclined ; red- 

 dish-brown; mature in early summer. 



Operculum short-beaked. 



Range, Arctic America, Canada, and 

 northern United States; Europe; Asia. Campiothcdum niuns 



Camptothecium nitens (Schreb.) Schimp. is occa- 

 sionally found in cool northern swamps. The distin- 

 guishing characteristics are the erect stems thickly 



