150 FLORA OF DUMFRIESSHIRE. 



(also var. .), Caledonian Railway (var. .), G. Bl.; Kirkpatrick-Juxta, 

 R A. EL; Beattock (var ^.), J. T. J. Eskdak Glenzier, S.-E.; Castle 

 O'er, J. Wn. and R. Bl. 



In water of lochs or sluggish streams with roots in mud. Var. b. on 

 waste dry ground, corn fields, etc. 



VISITORS : Syrphus, sp.; Dolichopodidae, Tetanocera, sp., E. Ty. 



Polygonum lapathifolium. Linn. 



RECORDS: ZP/r.Dr Davidson, 1886. Kcd. P. Gray, [850. Wgt. 



G. C. Druce, 1883. 

 Var. incana, Dfs. J. T. Johnstone, 1889. 



LOCALITIES : Very common in all the valleys to about 900 feet (var. 

 Beattock, J. T. J.). 



Appears July 30, J. T. J. On dry soil of cultivated fields, cinders 

 of railways, etc.; fully exposed. 



Polygxmum persiearia. Linn. 



RECORDS: Dfs. and Kcd. P. Gray, 1850. IVgt.G. C. Druce, 



1883. 

 Nodosum, var. glandulosum (?), J. T. J. 



LOCALITY : Very common in all the valleys to 900 feet. 

 Appears July 30. On dry soil, cultivated fields ; fully exposed. 

 VISITORS : Hyetodesia incana, Siphona cristata, Hn. 



Polygonum lapathifolium x persiearia. 



RECORD : Dfs.]. T. Johnstone, 1891. 



Polygxmum hydropiper. Linn. (Waterpepper). 



RECORDS: Dfs. and Kcd.- P. Gray, 1850. Wgt. G. C. Druce, 

 1883. 



LOCALITIES : Nithsdale Dalscone, F. W. G.; Lincluden Holms, 

 Cluden Mill, Hn., S.-E.; Cowhill, Ad. and S. D. J.; New Loch, Rash- 

 briggs, R. A.; Sanquhar, I)r Dv. Annandale Lochmaben, S.-E.; 

 Moffat, common, J. T. J. Eskdalel&sk, Liddel, S.-E. 



Appears July 30, J. T. J. On wet places of holms or lake margins ; 

 usually fully exposed. 



