FLORA OF DUMFRIESSHIRE. 149 



Polyg'onum convolvulus. Linn. 



Records : Dfs. and Kcd. — P. Gray, 1850. U^'gt. — G. C. Druce, 

 1883. 



Localities: Nithsdale — Dumfries, P. Gr.; Maxwelltown, S-E.; Castle- 

 Douglas Road, C. E. M.; Sanquhar, Dr Dv. Amtandale — Common by 

 shore, S.-E.; Lochmaben, G. BL; common Moffat, J. T. J. Eskdale — 

 Esk, S.-E. 



On sand or shingles of shore and rivers, cinders of railways, arable 

 fields, etc.; usually in part sheltered by herbage or fully exposed. 



Polygonum viviparum. Linn. 



Record : Dfs. — Dr Singer, 1843. 



Localities : Annnndalc — West side of Hartfell, Black's Hope, 

 Saddleyoke ravine, Correifron, Birkie Cleugh, Whitecoombe, J. T. J.; 

 Midlaw Burn and above Loch Skene, S.-E. (1800 to 2200 feet). 



Appears July 19, J. T. J. On moist grass ledges amongst whin- 

 stones or mudstones ; fully exposed or slightly wind-sheltered. 



Polygonum bistorta. Linn. 



Records : Dfs. and Kcd. — P. Gray, 1850 and 1846. Wgt. — J. 

 M'Andrew, 1893. 



Localities: Nithsdale — Cargen Water, Hn.; Woodlands, R. H. M.; 

 Cresswell, Dr Gl.; Guilyhill, R. H. M.; Cowhill, Ad. and S. D. J.; 

 Auldgirth, Hn.; Caitloch (exterminated), J. Cr.; Grovehill, Waterside, 

 Holmhill, R. A. Anriafidak — Douglas Hall Bridge, Lockerbie, G. BL; 

 Craiglands, Old Well Road, Kerr, Dyke, J. T. J. 



Appears May 28 to June 2, J. T. J. On moist or nearly dry road- 

 sides, railway banks ; usually exposed or shaded. 



Visitors : Allantus nothi, abundant ; Perineima nassata, Volucella 

 bombylans, Empis tessellata, abundant, S.-E. 



Polygonum amphibium. Linn. 



Records: Dfs. — Miss F. A. Hope, 1881. Kcd. — P. Gray, 1850. 

 /f^/._G. C. Druce, 1883. 

 I), terrestre, Dfs. — J. T. Johnstone, 1890. Kcd. — J. 

 M'Andrew, 1882. 



Localities: Nithsdale — Near Dumfries, P. Gr.; Ruthwell, Lin- 

 cluden, F. W. G.; Loch Urr (700 feet), J. Cr.; Thornhill, var. k, R. A.; 

 Sanquhar, Dr Dv. A/uiandale — Priestside, S.-E.; Roberthill, Dryfe 



