TRICHOMANES BREVISETUM. 269 
We are not aware that it has been found either in 
Wales or Scotland. 
In Ireland it is more common, being found at Powers- 
court Waterfall and various parts of Kerry ; on shady 
banks and rocks exposed to the spray of the waterfall 
above Turk Cottage, Killarney, growing with the equally 
rare Jungermannia Hutchinsia ; Hermitage, in the 
county of Wicklow ; Ballinhasy Glen, near Cork ; and 
Glendine, near Youghal. 
It is first mentioned as a British Fern by Dillenius 
in the third edition of Ray's Synopsis, published in 1724. 
He states that it was found by Mr. Richardson at Bel- 
bank, and it has been found there since. The copper 
plates given by Dillenius establish the identity beyond 
any doubt, even if his description were not sufficient 
for doing so. Filix humilis repens, foliis pellucidis et 
splendentibus, caule alato (Dwarf Creeping Fern, with 
transparent and shining leaves, and with winged stem). 
This Fern, Mr. W. Reeve informs us, is one of the 
more delicate of the British Ferns. When successfully 
grown it is one of the most interesting of the smaller 
species. It is useless to attempt to cultivate it upon an 
exposed situation, it being so partial to a close, calm, 
moist, and warm atmosphere, and when once dislodged 
from its native place it is very difficult to establish it 
otherwise than with these conditions. It may be suc- 
cessfully grown in a pot by first filling a middling-sized 
pot one-third full of finely-broken potsherds or sandstone, 
putting upon this a layer a little finer, and filling the 
remaining space with a compost of fine loam, silver 
