1919-20.] BOTANICAL SOCIETY OF EDINBURGH 33 



variety {fide E. F. Linton). — Crags on hillside, 750 feet 

 above sea-level, south side of the Meadow of the Kame, 

 Hoy, 11th September 1914, H. H. Johnston. Native. 

 Style and its two branches yellowish-brown. Confirms 

 the record of this variety from Hoy, Orkney, in " An 

 Account of the British Hieracia," by Rev. W. R. Linton, 

 p. 55 (1905). See also " Annals Scot. Nat. Hist.," No. 58, 

 April 1906, p. 97 ; and " Trans. Bot. Soc. Edin.," vol. xxvii, 

 p. 55 (1916). 



Carduus arvensis, Curt. var. b. setosus (Bess.) (fide 

 Arthur Bennett).-^Gravelly ground round filter beds, 260 

 feet above sea-level, Kirkwall Waterworks Reservoir, near 

 Hatston, Saint Ola, Mainland, 31st August 1916, H. H. 

 Johnston. Not native. Rare. Corolla purple. See "The 

 Student's Flora of the British Islands," by Sir J. D. 

 Hooker, ed. i, p. 192 (1870); "Scot. Nat.," No. xlviii, 

 October 1882, p. 367 ; Spence, " Flora Orcadensis," p. 39 

 (1914); and "Trans. Bot. Soc. Edin.," vol. xxvii, p. 56 

 (1916). 



Senecio jacobaea, Linn., var. b. discoideus, Linn. 

 [ = var. b. FLOSCULOSUS (Jord.)] (fide Arthur Bennett). — 

 Natural shell-sandy pasture, 30 feet above sea-level. Links 

 of Booth, Newark Bay, Deerness, Mainland, 19th August 

 1916, H. H. Johnston. Native. This variety, without ray 

 florets, is much less common than the type of the species, 

 with large and small ray florets on different plants, growing 

 at the same station, and of which latter I also have 

 specimens in my herbarium, collected by me at the same 

 station and on the same date. 



Gentian A campestris, Linn., subsp. baltica, Miirbeck 

 [fide Arthur Bennett). — Pasture near the seashore, 20 feet 

 above sea-level, Swona, 28th July 1914, H. H. Johnston, 

 calyx lobes 4, 2 large and 2 small, corolla purple; and 

 short natural pasture near edge of sea-cliffs, 180 feet above 

 sea-level. Black Craig, Stromness, Mainland, 4th August 

 and 5th September 1919, H. H. Johnston, corolla dark 

 purple. Native and common at both stations. See 

 "Trans. Bot. Soc. Edin.," vol. xxvi, p. 221 (1914); and 

 Spence, "Flora Orcadensis," pp. 49 and 132 (1914). 



Convolvulus arvensis, Linn. — Gravelly ground round 

 filter beds, 260 feet above sea-level, Kirkwall Waterworks 



TRANS. BOT. SOC. EDIN. VOL. XXVIII. 3 



