242 YORKSHIRE NATURALISTS' UNION. 



1237. Asarum europaeum L. Asarabacca. Kirklees Park, 

 probably introduced (H. T. Soppitt). 



1245. Euphorbia Helioscopia L. Sun spurge. Corn- 

 fields. 



1254. Euphorbia Cyparissias L. Cypress spurge. 'Dews- 

 bury,' per ' Watson Botanical Exchange Club ' (C. J. 

 Wilson). 



1257. Euphorbia Peplus L. Petty spurge. Cultivated 



ground. 



1258. Euphorbia exigua L. Dwarf spurge. Corn-fields. 

 1261. Mercurialis perennis L. Dog's mercury. 



1263. Ulmus montana Sm. Wych elm. Hedges. 



1264A. Ulmus campestris Sm. var. suberosa Ehrh. 

 Common elm. 



1265. Humulus Lupulus L. Hop. Apparently indigenous 



in a hedge-row, Healey near Batley, and Thornhill. 



1266. Urtica dioica L. Nettle. 



1268. Urtica urens L. Small nettle. Waste ground, 



Dewsbury Moor. 



1271. Betula alba L. Birch. Woods and copses. 



1274. Alnus glutinosa Goertn. Alder, Stream-banks. 



1276. Corylus Avellana L. Hazel. 



1277. Quercus Robur L. Oak. 



1278. Castanea vulgaris Lamk. Spanish chestnut. Parks, 



plantations, &c., introduced. 



1279. Fagus sylvatica L. Beech. Shrubberies. 



1281. Salix fragilis L. Crack willow. Withy. Banks of 



streams, &c. 



1282. Salix alba L. White willow. Canal-bank between 



Thornhill Lees and Horbury. 



1289. Salix viminalis L. Osier. Wet places and osier-beds. 



1295. Salix Caprea L. Goat willow. Its sub-species, 



1297. Salix cinerea L. Grey willow. Coxley Valley. 



1311. Populus alba L. White poplar. Hedge-row, Nether- 

 ton. Not indigenous. 



Trans. Y.N. U., 1SS5 (pub. 18S7). Series E. 



