ADDITIONS TO THE FLORA OF ORKNEY 175 



CLASS I. DICOTYLEDONS. 



RANUNCULUS HETEROPHYLLUS, Fries. Mud at bottom of stag- 

 nant water, Loch of Burness, Westray, i3th July 1883, Henry 

 Halcro Johnston. Native. 



RANUNCULUS DIVERSIFOLIUS, Gilib., var. RADIANS. Old quarry 

 at south-west side of the old Deerness Road, near Lynnside, Saint 

 Ola, Mainland, 1874, W. A. Irvine Fortescue ; mud at bottom of 

 stagnant water in an old quarry, Balea, near Lynnside, Saint Ola, 

 Mainland, 3ist July 1877, H. H. Johnston; and pool, west side of 

 Public Road, Kendall, near the Firth boundary line, 23rd July 

 1882, W. A. Irvine Fortescue. Native at all these stations. The 

 late Dr. J. T. I. B. Boswell informed me that he regarded R. diversi- 

 folius, Gilib., var. radians, as merely R. trichophyllus, Chaix, with 

 floating leaves. See "Scot. Nat.," No. xlvii., July 1882, p. 321. 



RANUNCULUS BAUDOTII, Godron. Mud at bottom of stagnant 

 water, east end of Loch of Brue, Lady, Sanday, 9th July 1883, H. 

 H. Johnston ; and mud at bottom of stagnant water, Loch of Burness, 

 Westray, i3th July 1883, H. H. Johnston. Native at both stations. 



RANUNCULUS BULBOSUS, Linn. Dry sandy pasture, Linksness, 

 Hoy, 2oth June 1883, H. H. Johnston; dry sandy pasture, Links 

 of Boardhouse, Birsay, Mainland, 27th July 1883, H. H. Johnston ; 

 dry sandy pasture, Links of Hoxa, South Ronaldshay, igth Sep- 

 tember 1883, H. H. Johnston; and dry sandy pasture, Links of 

 Melsetter, Waas, Hoy, 5th June 1884, H. H. Johnston. Native at 

 all these stations, which are all near the seashore. See "Scot. Nat.," 

 No. xlvii., July 1882, p. 321; and "Scot. Nat.," No. xvi., new 

 series, April 1887, p. 57. 



Papaver somniferuni, Linn. Shingle at seashore, Carrick, Eday, 

 nth July 1883, H. H. Johnston. Escape from garden. 



COCHLEARIA ALPINA, H. C. Wats. Pasture, top of Knucher 

 Hill, Westray. i3th July 1883, H. H. Johnston; and pasture at 

 edge of cliffs at the seashore, Ness of Ramnageo, Sandwick, Main- 

 land, 23rd July 1886, H. H. Johnston. Native at both stations. 

 Removes the ? after "in Orkney?" in Watson, "Top. Bot.," ed. 

 ii., p. 36. See "Scot. Nat," No. xlvii., July 1882, p. 323; and 

 "Scot. Nat.," No. xiii., new series, July 1886, p. 319. 



*BRASSICA RAPA, Linn., rar. SYLVESTRIS. --Sandy seashore, 

 north-east side of Little Sea, Lady, Sanday, 7th July 1883, H. H. 

 Johnston. Naturalised. 



VIOLA ARVENSIS, Murr. -- Cornfield, Hurkisgarth, Sandwick, 

 Mainland, 4th August 1886, H. H. Johnston. Native. Large- 

 flowered plants of V. tricolor, Linn., were growing in the same corn- 

 field. See "Bot. Exch. Club Report," 1886, p. 145; and "Scot. 

 Nat.," No. xxv., new series, July 1889, p. 112. 



