132 Filmy Ferns in Cases and under Bell-glasses. 



■with a bell-glass to suit. The Ferns should be planted 

 out in the same soil as that recommended for case 

 ferns, with several largish lumps of open sandstone for 

 them to cling to, and to aid the drainage which must 

 be ample and properly put in. Before putting the 

 soil into either pots or pans examine it well in case 



SBOTIONAI. VIEW OP PAN AMD EBLL-SIASS FOE EIIMT EEENS. 



small worms or other vermin may be lodging in it. 

 They cause much mischief if allowed to remain. 



Cases and bell-glasses require very little ventilation. 

 A small hole in the knob of the bell-glass is sufficient, 

 while for the case if the top glass is put loosely in the 

 small quantity of air admitted through the crevices 

 will cause quite sufficient circulation. Never give any 

 air by the bottom of the case or bell-glass, for air given 

 that way causes chilling draughts ; always give air by 



