186 LASTR^EA THELYPTERIS. 
centre, but which sooii is elevated and shed. The 
masses eventually run together into lines, and some- 
times nearly cover the segment. 
It is found in boggy meadows and marshes, especially 
where the soil is gravelly, but is rare, and though found 
in different parts of the British Islands, is very local. 
It is more common in Scotland than in England or 
Ireland. In England, on Learmouth Bogs, in Northum- 
berland ; near Settle, in Yorkshire ; at Allesley, in War- 
wickshire; on Knutsford Moor and New Church Bog, 
near Over, in Cheshire ; on Oxton Bogs, in Nottingham- 
shire ; in Windsor Park and Sunning Hill Wells, in 
Berkshire ; in the valley below Caesar's Camp, on Wim- 
bledon Common ; and on Leath Hill, in Surrey ; in 
a bog on Waterdown Forest, near Tunbridge Wells ; at 
Belton, and near Bungay, in Suffolk; at St. Faith's, 
Newton Bogs, near Norwich ; and in Somersetshire and 
Sussex. In Wales, in a moist dell at the foot of Snowdon, 
near Llanberris; on the border of the lake near Red 
Wharf; and at Beaumaris, in Anglesea. In Ireland, 
on the marshes at Glencree, in Wicklow, and at Ne- 
veruss, Killarney. 
This Fern was first noticed as an English plant by 
Ray. He mentions it in his Synopsis Methodica Stir- 
pium Britannicarum, as the Filix minor palustris repens, 
Creeping Water Fern, or Lesser Marsh Fern. 
Mr. Reeve informs us that the Lastrcea thetypteris will 
be found to thrive pretty well under pot-culture, and 
with ordinary care will become a very elegant object. 
Being one of those Ferns which choose a marshy place 
