138 WALLER: FLORA OF STRENSALL AND DISTRICT. 



Cirsium palustre Sep. C. arvense Sep. 



Cirsium anglicum DC. (^Carduus pratensis Huds.). In a lane 



from Towthorpe to Hazel Bush. 

 Centaurea nigra L. Sonchus arvensis L. S. asper All. 

 Sonchus oleraceus L. p.p. Taraxacum officinale Web. 

 Hieracium boreale Fr. Strensall. 



Hieracium umbellatum L. Not uncommon at Strensall, and also 



near Stockton Forest. 

 Hieracium vulgatum Fr. In small quantity on Strensall Common 



and in the lanes leading off the Common. 

 Hieracium pilosella L. Crepis virens L. Tragopogon minus Fr. 

 Leontodon autumnalis L. Thrincia hirta Rth. 

 Hypochseris radicata L. Cichorium intybus L. 

 Lapsana communis L. Campanula rotundifolia L. 

 Jasione montana L. Rather plentiful in lanes about Strensall 



Common, and on the paths across it. Scarce elsewhere. 

 Erica cinerea L. At Sandburn, and also on the Malton Road. 



I have never seen it on Strensall Common, nor has Mr. Ibbotson. 

 Erica tetralix L. Calluna vulgaris Slsb. Vaccinium myrtillus L. 

 Oxycoccus palustris P. Rather plentiful amongst Sphagnum and 



Erica tetralix on the east side of Strensall Common. 

 Andromeda polifolia L. Found very sparingly some years ago by 



Mr. Le Tall, amongst Sphagnum and Aulacomnium palustre on 



Strensall Common. Notseen since, althoughrepeatedly looked for. 

 [Pyrola media Sw. 'Crompton's Cover, near Stockton Forest/ 



Barnes's ''Flora of Yorkshire." Mr. Ibbotson has never seen 



this plant at the above locality, nor have I.] 

 Pyrola minor L. Rather plentiful at Strensall. ' In July 1883, plenty 



in a cornfield near the Common. Hardly any to be found in 



1884.' E. Milner. 

 Ligustrum vulgar e L. (planted). 

 Fraxinus excelsior L. 



Vinca minor L. Several plants in a wood close to Strensall 

 Common. 



Gentiana pneumonanthe L. Plentiful on Strensall Common, and 



on one or two small adjacent Commons. 

 Gentiana amarella L. At Stockton Forest, in small quantity. 

 Gentiana campestris L. At Stockton forest, in small quantity. 

 Erythraea centaurium P. Menyanthes trifoliata L. 

 Calystegia sepium Br. ( = Convolvulus sepium L.). 

 Convolvulus arvensis L. Cuscuta europsea L. 

 Cuscuta epithymum L. Stockton Forest. Baker's ' North Yorkshire.' 



Naturalist, 



