HART'S TONGUE. 159 
Strictly evergreen, and very singular in appearance, 
also with this species, always, however, bearing in in mdul 
_ that the loss of plants is much more difficult to repair. 
erect position, introduce the rootlets of the fern be- 
_ tween two of them, allowing the crown of the caudex 
to stand clear above them: the pieces of stone should 
_ then be wedged up firmly by introducing others at 
mortar should be shaken into the crevices. Water 
must be used very sparingly. 
42. HART’S TONGUE. Scotopenprivm. 
Asplenium Scolopendrium, Linneus. B. F. 271, 274, 
A 75, 276. 
The caudex is tufted, blackish and scaly: the 
ung fronds make their appearance in April and 
ay, growing in an erect position, and the tips re- 
y degrees the fronds become horizontal, and at last 
