140 waller: flora of strensall and district. 



Mentha aquatica L. Very common. Var. sub-glabra also occurs. 

 Mentha sativa L. 



Mentha arvensis L. Plentiful. Var. agrestis is by far the 



commonest form. 



Mentha pulegium L. Very scarce. Only in one place on Strensall 



Common, and in very small quantity. 

 Lycopus europseus L. Pinguicula vulgaris L. 

 Utricularia vulgaris L. Plentiful in two ponds west of Strensall. 

 [Utricnlaria minor L. Formerly grew in a pond at Stockton. I 



think it is now extinct.] 

 Lysimachia nummularia L. 



Samolus valerandi L. In a ditch near Sandburn, and also on 



Strensall Common. 

 Anagallis arvensis L. A. tenella L. 



Centunculus minimus L. Mostly in cart ruts on both sides of the 



railway across Strensall Common. 

 Hottonia palustris L. Primula vulgaris Huds. P. officinalis L. 

 Plantago coronopus L. Plentiful in a few places on Strensall 



Common. 



Plantago lanceolata L. P. media L. P. major L. 

 Littorella lacustris L. Chenopodium rubrnm L. 

 Chenopodium bonus-henricus L. C. album L. 

 Atriplex angustifolia Sm. 



Rumex hydrolapathum Huds. In the Foss, near Huntington. 



Bum ex crispus L. R. obtusifolius L. R. conglomeratus Murr. 



Rumex acetosa L. R. acetosella L. 



Polygonum convolvulus L. 



Polygonum amphibium L. In the Foss. 



Polygonum lapathifolium L. p.p. P. persicaria L. p.p. 



Polygonum hydropiper L. 



Polygonum mite Schrk. In the Foss. 



Polygonum minus Huds. In the Foss. 



Polygonum aviculare L. 



Daphne laureola L. In hedges on both sides of the railway across 



Strensall Common. 

 [Daphne mezereum L. In a plantation near the Malton Road. 



Undoubtedly planted.] 

 Mercurialis perennis L. 



Euphorbia helioscopia L. In cultivated fields at Strensall. 

 Euphorbia peplus L. E. exigua L. Urtica dioica L. XT. urens L. 

 Ulmus montana With. Fagus sylvatica L. 

 Quercus pedunculata Ehrh. Q. sessiliflora Slsb. 

 Corylus avellana L. Populus tremula L. 



Naturalist, 



