184 ERICACEA. { Andromeda. 
Vaccinium Oxycoccus, it appears to be a decreasing species 
in Ireland generally, no doubt owing to improved drain- 
age. | 
CALLUNA Salisb. 
C. vulgaris Salisb. C. Erica DC. Erica vulgaris “Linn, 
Heather. Ling. 
Districts JI. II. QW. IV. V. Vi. VII. VII. IX. 
Native. On moors, mountains and wooded places, &c. 
Very’common. A small shrub. July—September. Calci- 
fuge A. 
From sea-level, to the summits of the highest mountains 
in the county, attaining 3,127 feet on Brandon (&.W.S.), 
and 3,414 feet on the Reeks (Hart). 
First record in 1884: S. P. Woodward, Phytol., p. 878. 
A prostrate form of this plant has been noticed in several 
places by the sea; it is probably the state or var. Hrice 
Ascherson mentioned by Mr. Druce in the New Phytol. 
Nov. 1911, and is especially abundant, with pure white 
flowers, near the cliffs on the east side of the entrance to 
Dingle Harbour. The white-flowered state of this species 
occurs rather frequently. Although strongly calcifuge, this 
Heather may be seen growing among the bare limestone 
rocks about the Killarney Lakes, &c. 
ERICA Linn. 
E. Tetralix Linn. Cross-leaved Heath. Bell Heather. 
Districts I. If. TT. IV. V. VI. VII. VIII. 1X. 
Native. On bogs, wet moorlands and other damp places. 
Common and locally abundant. A small shrub. July— 
August. Calcifuge A. 
From sea-level, to 1,650 feet on the Purple Mountain 
(£.W.S.), and to 1,950 feet on the Reeks (Hart). 
First record in 1857: Rev. W. M. Hind, Phyftol., p. 99. 
Plants with pale coloured bells are not infrequent ; those 
with pure white flowers occur, but are very rare, much more 
so than similar states of #. cinerea or Calluna. 
E. cinerea Linn. Heather. Heath. 
Districts I. TI. I. IV. V. VI. VII. VII. Ix. 
Native. On moors, mountains and in rocky places. Very 
common and usually abundant. A small shrub. June— 
August. Calcifuge A. 
