300 AROIDE. [Arum. 
AROIDESA. 
ARUM Linn. 
A. maculatum Linn. Cuckoo Pint. 
Districts I. If. I. IV. V. VI. VII. VII. IX. 
Native. Woods, hedgebanks, shady rocky places, &c. 
Local in the south, rather common in the north, but unevenly 
distributed. Peren. April—May. 
Local or rare in the following Districts—I. Plentiful in the 
Ardtully woods west of Kilgarvan, 1904: Miss I. Orpen.— 
II. About Darrynane, 1905.—III. In Glanleam demesne and 
other spots in Valencia Island, and near Cahersiveen, 1896 : 
R.W.S. About Caragh Lake, but not common, 1906: Capt. 
Creaghe-Haward.—IV. In Beaufort’ woods, 1904: Miss N. 
Magill.—V. In woods, &c., about Camp, Tralee Bay, 1892, 
and—VIII. Sparingly about Ballinruddery south-east of 
Listowel, 1899: R.W.S. 
First record in 1901: R.W.S., Topog. Bot. 
Owing to the leaves of this plant withering early, the Arum 
appears to be rarer in Kerry than it probably is. The form 
- with the leaves blotched or spotted is not uncommon about 
Killarney ; several plants were noted in Woodlawn lane on 
the Muckross road and others in the grounds of the Lake 
Hotel, Killarney in 1903. Except in a few restricted areas 
in the south of England, this spotted form appears to be 
much the rarer of the two throughout the British Isles ; see 
an interesting paper on the Leaf spots of Arum maculatum 
by Dr. Pethybridge in the Irish Nat. 1903, p. 145. 
LEMNACEZ. 
LEMNA Linn. 
L. trisulca Linn. 
District — — — — — VIE —~ ~—~ — 
‘Native. In clear swift-flowing streams. Very rare but 
abundant where it occurs. Ann. June. 
VI. In a small stream joining the River Flesk opposite 
the mills below Southhill and abundant in a small spring 
flowing into the same river about a mile higher up on thé 
