48 FLORA ORCADENSIS. 
July, and September after it had been under cultiva- 
tion for three years. It is found at Black Craig, 
Stromness, Standing Stones, Stenness ; in Rousay, 
Walls, Shapinsay, and North Ronaldshay. It is also 
abundant on links, Papa Westray. A few plants grow 
near Biggings, St. Andrews. These and specimens 
from Papa Westray differ in length of flower stalk, in 
hairiness of capsule and shape of leaves. Mr Ar. 
Bennett says :—‘I can see the difference in the two 
specimens of Primula. I can find no var. given of 
P. scoticu. It is of limited distribution. The floras 
of Norway and Sweden give no varieties.” One has 
a much shorter, grooved flower stalk than the other ; 
the other is longer and smoother. It has been 
suggested by an eminent botanist that this variety 
should be named LP. scotica var. orcadensis. Hf, 
under cultivation, it retains these characteristics, it 
will be so named. 
Genus CXXXIJ.—LYSIMACHIA. 
270. L. NEMoRUM (Linn.), Yellow Pimpernel. 
Gills at Scapa; Swanbister Burn; Quoys Burn, 
Hoy. In August 1912 I found a patch of these along 
a path leading from Burn of Quoys to Dwarfie Stone. 
Genus CXXXIIL.—TRIENTALIS (Linn.) 
271. T. EUROPA (Linn.), Chickweed Wintergreen. 
Kingsdale, Firth. G. Robson, teacher, Birsay, so 
the story goes, was surveying this hillside when he 
came across this, till then, unknown plant in Orkney. 
He was a keen botanist, and set such value on the 
discovery that he threw down his chain and set out 
