1920-21.] BOTANICAL SOCIETY OF EDINBURGH 61 



200 feet above sea-level, Kirkwall Waterworks Reservoir, 

 near Hatston, Saint Ola, Mainland, 9th August 1920 and 

 9th October 1920, H. H. Johnston. Not native. Very rare. 



Salix aurita, Z/'?irt. X ciNEREA, Linn. $ {fi<^^ O. C. 

 Druce and Arthur Bennett). — Heathery banks at burnside, 

 90 feet above sea-level. South Burn, Hoj', 30th August 

 1919 (plants in leaf only), 7th May 1920 (plants in full 

 flower), and 12th June 1920 (plants in leaf and unripe 

 fruit), H. H, Johnston. Native. Rare. An erect, much- 

 branched shrub, 3 feet high, with the lower part of the 

 stems submerged in running water in a burn. Both 

 parents grow along the banks of the South Burn in the 

 same neighbourhood. All my three gatherings of speci- 

 mens were collected from the same individual plant. 



Salix repens, Linn., form, argentea {Sm.) $ [=^var.g. 

 ARGENTEA (Sm.) of " Lond. Cat.," ed. vii (1874)] (fide 

 Arthur Bennett). — Heathery crags on hillside, 520 feet 

 above sea-level, north-east side of Cuilags, Hoy, 1st Sep- 

 tember 1919 (plants in leaf only) and 11th June 1920 

 (plants in leaf and flower, with the stamens mostly 

 withered), H. H. Johnston. Native. Rare. Both my 

 gatherings of specimens were collected from the same 

 individual plant. Confirms the record of this form or 

 variety from Orkney ("Sanday") in Neill, 'Tour," p. 189 

 (1806). See "Scot. Nat.," No. i, new series, p. 23 

 (July 1883). 



Myrica Gale, Linn. — Ditch, near the old Established 

 Church, Eday, 13th June 1920, Miss Ann J. H. Marwick. 

 Confirms the record of this species for H. C. Watson's 

 county No. Ill Orkney by Mr. J. R. Hebden in Dr. A. R. 

 Duguid's manuscript "Flora Orcadensis" (1858). See 

 "Scot. Nat.," No. i, new series, p. 22 (July 1883) ; "Annals 

 Scot. Nat. Hist.," No. 31, p. 166 (July 1899); Bennett, 

 " Suppl. Top. Bot.," ed. ii, p. 76 (1905) ; and Spence, " Flora 

 Orcadensis," p. QQ (1914). 



Class II. — Monocotyledons. 



Orchis maculata, Linn. [Orchis Fuchsii, Bruce (fide 

 G. C. Druce, 4th August 1920)]. — Pasture at burnside, 

 30 feet above sea-level, Wideford Burn, Saint Ola, J\Iain- 

 land, 23rd July 1920 and 16th September 1920, H. H. 



