64 TRANSACTIONS OF THE [Sess. lxxxv 



"Annals Scot. Nat. Hist.," No. 33, p. 39 (June 1900): 

 " Journ, Bot.,"' vol. xxxix, p. 274 (August 1901) ; and 

 Bennett, " Suppl. Top. Bot," ed. ii, p. 104 (1905); and 

 as KoELERiA BRITANNICA, Boiiiin, in " Annals Scot. Xat. 

 Hist.,' No. 57, p. 32 (January 1906); and ihid., No. 64, 

 p. 227 (October 1907). 



Class III. — Cryptogams. 



Cystopteris FRAGiLis, Bemh., var. h. dentata, HooJc. — 

 Clefts of sandstone crags on hillside, 460 feet abov^e sea- 

 level. Dwarfie Hamars, Hoy, 5th August 1920, H. H. 

 Johnston. Native. Rare. Confirms the record of this 

 variety for H. C. Watson's county No. Ill Orkney- in 

 ■ Annals Scot. Nat. Hist.," No. 34, p. 105 (April 1900) ; and 

 "Journ. Bot.." vol. xxxix, p. 275 (August 1901). I have 

 also collected specimens of the type of the species 

 C. FRAGILIS, Bemh., at two different places on the Wart 

 Hill Hoy, on lOtli July 1877 and 14th June 1920, where 

 it is native and rare and reaches an altitude of 730 feet 

 above sea-level. 



Kqui.setum pratexse, Ekrh. {fide C. H. Wright). — 

 Damp natural shell-sandy pasture. Links of the Hall of 

 .Sands, Deerness, Mainland, 19th August 1916, H. H. 

 Jolmston. Native. Moderately common. Plants with 

 sterile stems only. Confirms the record of this species for 

 H. C. Watson's county No. Ill Orkney in "Annals Scot. 

 Nat. Hist.," No. 67, p. 170 (July 1908); and Spence, "Flora 

 Orcadensis," p. 97 (1914). 



Chara desmacantha, ./. Groves et Bidloek- Webster (fide 

 James Groves). — Shell-sandy mud at bottom of water, 1 inch 

 deep, in a loch near the sea, 8 feet above sea-level, Loch of 

 The Rive, Burncs.s, Sanday, 28th August 1920, H. H. 

 Johnston. Native. Common. Plants fetid. " A sterile 

 form with well-developed bulbils " (fide J. Groves). Con- 

 Urtiis the late Rev. E. S. Marshall's record of this species 

 from Orkne}'' (Loch of Stenness and Loch of Harray in 

 Mainland) in "Journ. Bot.," vol. xxxix, p. 275 (August 

 1901). See "Annals Scot. Nat. Hist.," No. 64, p. 230 

 ((Jctober 1907) ; and under the next species, p. 65. 



Chara hispida, Linn. ( /irZ*? James Groves). — Shell-sandy 

 mud at bottom (;f water, 2 inches deep, in a nearly dried- 



