ASl'LKMLM MAKINUM. 



187 



This Fern grows wilh rcnuirkablc luxuriauce along the west 

 coast of Irehmd, in the County of Clare, where Mr. F. J. 

 Foot, A.M., C.E., of the Geological Survey of Ireland, procured 

 a number of fronds, larger, 1 believe, than were ever before found 

 in the British Isles. In 13urron, County of Clare, abundant 

 all alon«; the north coast as far as Harbour Hill, near Bally- 

 vaughan, growing in the chinks or open joints of the limestone, 

 attaining a length of three feet, and mostly exceeding two 

 feet, varying considerably in the size and shape of the pinnae 

 and sori, and closely resembling exotic ones, the Asplcnhwi 

 Icetum, for instance. Mr. Foot read a paper on the "Distribu- 

 tion of Plants in Burron, County of Clare," at the Royal 

 Irish Academy, in April, 1862, (see page 143, of vol. xxiv of 

 the Transactions of this Society.) 



Few British Ferns make more interesting specimens under 

 pot-culture. 



There are some very distinct varieties: — 



Fig. o30. — Middle piniuc. 



SuBSERRATUM, Stansficlcl. (Fig. 530.) — Fronds fifteen inches 

 in length. Rachis and stipes ebcneous. Pinuai lax, narrow, 

 and long, that is, linear-oblong, simple and auriculated, not 

 cut, merely crenate or bicrenate, and minutely serrate at the 

 tip of the crenatures. Sori conspicuous. 



AssiMii-E, Moore. — Found in the Channel Islands and at 

 Galway. 'J he fronds are from twelve to fifteen inches long, and 



