46 FLORA ORCADENSIS. 
Genus CXXIX.—PYROLA (Linn.) 
263. P. ROTUNDIFOLIA (Linn.), Winter-green. 
In the valley near the Little Water, Rousay, to 
the right of a burn flowing towards Sourin, among 
the gouks near the foot of the hill. There was a 
beautiful display in July 1907, when I found it for the 
(to me) first time. I have no accurate information as 
to its being found elsewhere. Received a plant from 
Mr Omond, Orphir, which I believe was this. Flowers 
were in bud. It was found in Orphir. Dr Fortescue 
informs me he has a specimen from Rousay, but not 
from near the small loch. 
ORDER XXX.—VACCINIACE. 
Genus CXXX.—VACCINIUM (Linn.) 
264. V. Viris-Ip#a (Linn.), Red Cow-berry. Scarce. 
Hoy Hills; Walls; Rousay ; Orphir. 
265. V.ULIGINOSUM (Linn.), Great Bilberry. Rare. 
Walls; Hoy Hill; Birsay. /f. rotundata is a 
variety that J. Spence, Overabist, Birsay, found near 
Howally, in his district. There were only a tew 
clumps of it. I sent a specimen to Mr A. Bennett, who 
says it differs from the common form by the greater 
rotundity of its leaves. This is, as far as we know, 
the first time this distinction has been noticed. Mr 
Bennett says :—‘“ 1 have ‘never seen such shaped 
leaves before. Your species puzzled me at first, for 
the peduncles of the flowers are so short, but the 
flower, shape, We., are uliginosum. I have looked up 
