HOW TO GEOW FEEKS. 



17 



the inner pan. The common band-glass, with a greenish, 

 tint, are preferable to those which are colourless, and 

 whose sole recommendation lies in their higher price. A 

 hole may be drilled with advantage through the handle 

 at the top of the glass, for ventilation. A piece of soft 

 wood will easily stop it if desired. "When water is added, 

 it should be poured over the bog moss in the outer circle 

 only, enough moisture will then find its way through the 

 porous sides of the inner pan ; and a very convenient and 

 economical little fernery, wanting scarcely any attention, 

 will be the result. 



Of the species hereafter enumerated the following are 

 suitable for cultivation in closed cases : 



The Beech Fern {F oly podium pJiegopteris), 

 The Oak Fern {JBolypodium dryopteris). 

 The Parsley Fern (AUosorus crispus). 

 *The Holly Fern (PolysticJium lonchttis). 

 The Wall Rue {Asplenium ruta-murarid) , 

 The Green Spleenwort {Asplenium viride). 

 The Wall Spleenwort {Asplenium tricJiomanes), 

 The Sea Spleenwort (Asplenium marinwii). 

 The Eock Spleenwort {Asplenium fontanuiii) . 

 The Bristly Spleenwort {Asplenium lanceolafum). 

 The Maidenhair Spleenwort (Asplenium adianfum- 

 nigrimi) . 



*The Hart's Tongue (Scolopendrium vulgare). 

 * The Hard Fern {JBleclinum spicant) . 



The Maidenhair (Adiantum capilhis-veneris) . 



The Alpine Woodsia {Woodsia liyperhored). 



The Hairy Woodsia ( Woodsia ilvensis) . 



Under special conditions in a separate case : — 



The Tunbridge Fern {JELymenopJiyllum Tunhndgense). 

 The Wilson's Fern {Tlymenopliyllum uniJaterale). 

 The Killarney Fern {TricJiomanes radicans). 



Those to which a * is prefixed are too large for a small fern-case. 



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