Nitella.] CHARACE. 389 
N. flexilis Agardh. 
Districts — II, Ill. IV. — VI. VIL — — 
Native. In lakes and, rarely, in rivers. Rather rare but 
locally abundant. June—July. 
II. &—III. In several spots in Lough Currane and in the 
northern and western portions of Caragh Lake: R.W.S. 
1890.—IV. In the south-east corner of Caragh Lake (More) 
Journ. of Bot. 1877, p. 350—still in this locality, and in Lough 
Acoose: R.W.S. 1890, and in 1905; rather sparingly m 
Cloon Lough, Glencar, 1907.—VI. In two or three localities 
in the Lower Lake, Killarney, as in Ross Bay, in the Muckross 
Hotel boat-harbour bay, &c., 1888-1907. — VII. In the 
pps Laune near the Killorglin railway bridge, 1892 : 
From sea-level, to 508 feet in Lough Acoose, Glencar 
(R.W.S.). 
First record in 1877: More, Journ. of Bot., p. 350. 
Var. nipiFica Wallm.—vI. Killarney, 1861 (Carrington) 
Groves 1895. 
N. opaca Agardh. 
‘Districts — II. I. IV. V. VI. VII. — MIX. 
Native. Lakes, pools, rivers, ditches, &c. Rather common 
and sometimes abundant. May—June. 
From sea-level, to 1,100 feet in Lough Nageeha, Paps 
Mountain, to about the same height in Lough Coomacullen, 
Glenbeigh Mountains, and to 1,450 feet in Lough Ferta, 
Teermoyle Mountain, in the same range (R.W.S.). 
First record in Groves 1880: Moore. 
Widely distributed and no doubt occurring throughout 
the county. 
[N. caprrata Agardh—VI. At Killarney (W. H. Harvey) 
fide Braun: Groves 1880. Further confirmation of this 
record is thought desirable by the Messrs. Groves. In the 
British Isles it is known to occur certainly only in Cam- 
bridgeshire.] 
