HART’s TONGUE. 161 
been found in North America, but is there considered 
_ one of the rarest of ferns. I have seen no specimens 
from Asia, Africa or South America. The Hart’s 
Tongue is a particularly ornamental fern; its habit is 
| marked, and very decidedly different from that of 
very other British species. I believe it is universally, 
though not abundantly, distributed in Great Britain, 
land it is much more abundant: it is not only 
red generally over the island, but occurs in some 
ities in very great abundance, particularly in the 
shbourhood of Sligo, and in the demesne of Muck- 
8, near Killarney; here it grows among the under- 
fronds radiating from a common centre, and each 
being gracefully arched in a semicircle, like the long 
athers of a cock’s tail. The Hart's Tongue is very 
monly found upon walls and ruins; and it seems 
le requirements of this fern are a free soil, shade 
L 
