382 LYCOPODIACE. [Lycopodium. 
showing. Elderly peasants who knew this Club-moss well, 
have informed the writer that they remembered it occurring 
much more plentifully when they were young than it does 
now. Owing to the highly inflammable nature of its spores, 
this plant seems to have been in much request for lighting 
purposes before the advent of cheap matches. 
L. alpinum Linn. 
Districts — — ~— IV. V. VWI — — — 
Native. On the higher mountains. Very rare and local. 
Peren. July—August. 
IV. On the mountain ridge running south-west from Cur- 
raghmore summit, circa 1874 (More) Cyb. 1898.—V. On 
Brandon (W. Wilson) Newman 1844.—VI1. “‘ On Mangerton 
and other mountains in Kerry: Flor. Hib. 1836—but not 
seen recently in the county. 
At about 2,650 feet on Curraghmore, Reeks (Jfore). 
First record in 1836: Mackay, Flor. Hib. 
Although this plant has not been seen in Kerry for more 
than fifty years, there is no reason to doubt its occurrence 
in the county. It is not improbable, however, that some 
mistake was made in the Flor. Hib. record given above, as 
even allowing for a possible decrease in the plant, it would 
almost certainly have come under the notice of some recent 
visitor had it been as widely distributed as is there stated. 
Elsewhere in Ireland it occurs chiefly on the mountains in 
the north and west. 
SELAGINELLACEAS. 
ISOETES Linn. 
I. lacustris Linn. Quillwort. 
Districts I. IL IW. IV. Vv. Vi. Vil. — — 
Native. In shallow water in lakes and sluggish streams. 
Rather common and locally abundant in the mountainous 
portion of the county. Peren. June—August. Calcifuge B. 
Rare in the following District—VII. Rather sparingly near 
the east end of Lough Yganavan, 1906: &.W.S.—the 
eastern half of this lake is in District VII., and is the only 
locality known in VII. VIII. or IX. ; it occurs there as a 
small form with spreading leaves, not unlike J. echinospora 
in its manner of growth. 
