Petty : Some Plants of Silverdale, West Lancashire. 43 



Erigeron acre L. On one of the hills, Silverdale, A. W. 

 Mr. Wilson has given me, of course, a more exact 

 locality. 



Antennaria dioica R.Br. Limestone hills, Silverdale, A. W., 

 Castlebarrow, for instance. For some reason trippers 

 who visit the district almost always pull up this species, 

 so it is quite gone from one locality. 



Inula Conyza DC. Shore rocks foot of Heald Brow, 1901. 

 Near Challan Hall ; Castlebarrow ; Trowbarrow. 



Achillea Millefolium L. Road-sides and fields. 



Achillea Ptarmica L. Field near Burton Well, etc. 



Chrysanthemum segetum L. A few plants in Eaves Wood 

 clearing, 1898. 



Chrysanthemum Leucanthemum L. Sadly too common. 



Chrysanthemum Parthenium Pers. An escape, about quarry 

 near Bottoms. 



Matricaria inodora L. Amongst rubbish on shore at Cove. 

 Tussilago Farfara L. Edge of Eaves and Waterslack Woods, 

 and near Tarn and on road-sides. 



Senecio vulgaris L. Common enough. 



Senecio Jacobaea L. Lower slopes of Castlebarrow ; Silverdale 

 Green. 



Carlina vulgaris L. Silverdale, rather common, A. W. Top 

 of Castlebarrow, 270 feet. 



Arctium minus Bernh. (Taken as minus, not in flower.) Eaves 

 Wood. 



Carduus pycnocephalus L. Coast near Brown s Houses, 

 A. W. 



Cnicus lanceolatus Willd. and C. arvensis Hoffm. Common 

 from just above shore level. 



Serratula tinctoria L. 1864. Bot. Chron., 74. Plantation 

 behind blacksmith's shop, C. J. Ashfield. Still there, 1898- 

 190 1 . 



Centaurea nigra L. Rough ground near Bank Well, and on 

 road-sides. 



Centaurea Scabiosa L. Near top of sea cliffs, south of Silver- 

 dale, and near the station, A. W. 



Centaurea Cyanus L. Corn-fields, Silverdale, but rare, A. W. 

 In an oat-field near Cray Green, 1901. 



1902 February i. 



