FERNS AND FERNERIES. 
Osmundacece; and the Adder’s Tongue (Ophioglossum 
vulgatum ), fig. 4, of the natural order Ophioglossacece. 
In passing it is advisable to mention that the so-called 
Club Mosses, order Lycopodiacece , may be considered 
as a link between the ferns and the lower acrogenous 
forms of vegetable life. 
The question is often asked, which are the best 
hardy British and Foreign ferns for an outdoor 
fernery ? The following are a few of the best:— 
