SUPPLEMENT. 129 
Rosa GLAucA (Vill.) 
Var. CREPINIANA (Déségl.) Seen by Mr J. G. 
Baker. Banks at burn-side, Mill Burn, Stromness 
(80th Aug. 1912); native, rare. 
MYRIOPHYLLUM SPICATUM (Linn.) 
Seen by Mr Ar. Bennett. Mud at bottom of water 
in mill-lead, Loch of Saintear, Westray (23rd August 
1913); and mud at bottom of Loch of Boardhouse, 
Birsay (29th September 1913); native at both places. 
APIUM INUNDATUM (Reichb. fil.) 
In small pool at summit of Gallow Hill near Estab- 
lished Church Manse, South Waas, Hoy (28rd July 
1913). Mr Arthur Bennett, to whom specimens were 
sent, writes: —“ Helosciadium inundatum (Koch), 
var. isophylla (Sonder), ‘ Flora of Hamburgh, p. 158, 
1851”; but this variety is not mentioned in the 
“ London Catalogue,” 10th edition. 
HEDERA HELIx (Linn.) 
Colonel H. H. Johnston says regarding this 
plant :—“I collected the ivy at Berriedale, Hoy, 
on 15th May 1884, but on visiting Berriedale on 4th 
November 1915 I could find no trace of it. Appar- 
ently the bank on which I found it in 1884 has been 
undermined and fallen into the burn.” 
ARCTIUM NEMOROSUM (Lej.), of Babington’s “ Man- 
ual of British Botany,” ninth edition, p. 217 
(1904). 
Very rare on sandy links near the seashore, Mel- 
setter, Waas, Hoy (11th August 1913); and links, 
Westray (26th August 1913); native at both places. 
