2. Cuckoo-flower (Cardamine pratensis), Bitter-cress 

 (C. hnpatiens), Water-cress (Nasturtium officinale), and Winter- 

 cress (Barbarea vulgaris). 



3. May to beginning of June. 



4. Wood clearings, meadows, and lanes. 



Leucophasia sinapis. WOOD WHITE. 



1. Widely distributed but by no means abundant in 

 England ; irregularly distributed in Ireland ; unknown in 

 Scotland. Apparently becoming more restricted in its range. 



2. Bird's-foot Trefoil (Lotus corniculatus), Tufted Vetch 

 ( Vicia cracca) , and Bitter Vetch (Lathyrus tuberosus) . 



3. Double-brooded ; May and August. 

 4. Lonely wood glades. 



Colias hyale. PALE CLOUDED YELLOW. 



1. Like Edusa as regards distribution in England, but 

 much less plentiful. No specimens have been taken in 

 Ireland since 1868; unknown in Scotland, 



2. Bird's-foot Trefoil (Lotus corniculatus), Lucerne 

 (Medicago sativd) , and two species of Clover (Trifolium pratense 

 and T. repcns). 



3. August to October. 



4. Clover and Lucerne fields, and flowery meadows 

 near the sea. 



