148 FLORA OF DUMFRIESSHIRE. . 



Rumex acetosella. Linn. 



Records: D/s. and Kcd. — P. Gray, 1850. IVgt. — G. C. Druce, 

 1883. 



Localities: Very common in all the valleys to 2300 feet, Loch 

 Skene. 



Appears May 4, J. T. J. On dry whinstone rocks, trap rocks, 

 shingles of rivers, gravelly till, sandy holms, etc.; usually exposed or in 

 part wind-sheltered. 



Oxyria reniformis. Hook. 



Record* : Dfs. — Dr Singer, 1843. 



Localities : Annandale — Hartfell Craigs, Black's Hope, Correifron, 

 J. T. J., S.-E.; Grey Mare's Tail, Dr Sn., Kd., Dr Bl., J. Sd., T. Bl., 

 W. S. H., S. W. Ca. 



Appears May 24 to June 22, J. T. J. On dry whinstone rocks in 

 moist atmosphere, from 1700 to 2300 feet ; usually in narrow, and there- 

 fore wind-sheltered gullies. 



Polyg'onum aviculare. linn. (Knotgrass). 



Records : Dfs. and Kcd. — P. Gray, 1850. \Vs,t. — G. C. Druce, 

 1883. 



Localities : Very common in all the valleys to 800 feet. 



Appears June 30 to July 9. Li cultivated fields, by roadsides, 

 cinders of railway stations ; fully exposed. 



Polygonum mapitimum. Linn. 



Records: Var. Roberti, Dfs. — G. F. Scott-Flliot, 1892. Kcd. — J. 

 M'Andrew, 1882. ^Vgt. — Dr Graham, 1836. 



Localities : Along the shore — Portpatrick, S.-E.; Kirkmaiden, Dr 

 BL; Drummore, Cowans, Arn.; Portwilliam, Hn.; Rerrick, G. M'C.; 

 the Brow to Kirde mouth, Annan, S.-E. 



On sand or shingles by sea, waste ground and roadsides ; fully 

 exposed. 



* This is one of the most flagrant examples known to me of " record-making;" A record was 

 puVilished as new in 1888, although it has been, at least, seven times published before, and spcci- 

 piens existed in London, lidinburgh, and Dunifvies. 



