134 FLORA ORCADENSIS. 
EUPHRASIA CURTA (Wettst.) 
Pasture at edge of crags at the seashore, Ness of 
Ramnageo, Sandwick (28rd July 1886); native. 
Var. GLABRESCENS (Wettst.) 
Common on grassy and heathery pastures, and 
native at all the following places :—Ward Hill, Hoy 
(15th August 1912); Burn of Selta, Stromness (19th 
August 1912); Dale of Oback, Orphir (9th July 
1913) ; and Brims, Waas, Hoy (4th August 1918). - 
EUPHRASIA FOULAENSIS (Townsend). 
Short pasture 150 feet above sea level, drenched 
with sea-spray during storms, Vaval, Westray (21st 
August 1913); native. 
Note.—All the above mentioned species and 
variety of Huphrasia, except HL. gracilis, were found 
in Mainland, Orkney, in 1900, by the Rev. E. S. 
Marshall (see The Journal of Botany, Vol. xxxix., 
p. 270, August 1901), and are identical with those 
found by Col. H. H. Johnston, with the exception of 
—#. gracilis. 
ATRIPLEX PATULA (Linn.) 
Var. ANGUSTIFOLIA (Sm.) Seen by Mr Ar. Bennett. 
Stony ground near top of crags at seashore, Vaval, 
Westray (21st August 1913); native. 
POTAMOGETON PERFOLIATUS (Linn.) 
Var. CORDATO-LANCEOLATUS (Mert. & Koch). Seen 
by Mr Ar. Bennett. Mud at bottom of Loch of 
Boardhouse, Birsay (29th Sept. 1913). Leaves were 
