176 TRANSACTIONS OF THE [Sess. lxxxvii 



Druce)," read " Fuchsia niacrostema, Ruiz et Pav. {fide T. A. 

 Sprague)."' 



In " Trans. Bot. Soc. Edin.,"' vol. xxviii, part ii, p. 57 (1921), 

 for " Taraxacum spectabile, Dahlst., var. maculigerum, 

 Daldst. {fide G. C. Druce)," read " Taraxacum n^vosum, 

 Dahlstedt {fide Hugo Dahlstedt)." 



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

 Spence, " Elora Orcadensis," p. 132 (1914), the plants from the 

 Links of Melsetter, erroneously recorded under " Gentiana 

 €AMPESTRis, Linn.,'' are Gentiana Amarella, Linn, {fide 

 C. E. Salmon, August 1921). 



Hesperis matronalis, Linn, {fide T. A. Sprague). — Rubbish 

 heap at seashore, 10 feet above sea-level, Hamla Voe, Strom- 

 ness Harbour, Stromness, Mainland, 7th July 1922, Henry 

 Halcro Johnston. Not native. Rare. Plants in full flower 

 on 7th July 1922 and in fruit on 14th October 1922. This 

 species is cultivated in gardens in Stromness, from which 

 plants of it have probably been thrown out with weeds and 

 rubbish. 



The aggregate species Viola arvensis, Murray, is recorded 

 from Orkney in Watson, " Topographical Botany," ed. ii, 

 p. 57 (1883), but the following segregate species is not 

 mentioned in that book. The nomenclature followed for 

 this segregate species is that of " The British Pansies," by 

 Eric Drabble, D.Sc, F.L.S., reprinted from " The Journal 

 of Botany," vol. xlvii (1909) :— 



Group I. — arvenses. 



Viola derelicta, Jordan, ap. Billot, " Fl. France et Allem." 

 101 (nomen) {fide W. G. Travis). — Border of an oat field, 

 60 feet above sea-level, Bigging, Birsay, Mainland, 8th 

 September 1922, H. H. Johnston. Not native. A weed of 

 cultivation. Common. Plants in flower, and sparingly in 

 vmripe fruit, and growing among Viola tricolor, Linn. Coiolla 

 small ; two upj)er petals uniformly pale violet, or whitish - 

 violet in different plants, or rarely in the same plant ; two 

 lateral petals white, each with 1-2 dark violet lines ; lower 

 petal white, with 5-7 dark violet lines, and a yellow base; 



