2 ZA/?VA COLLECTING AND BREEDING. 



Pieris napi. 



Nasturtium officinale — Water-cress. 

 Barbarea vulgaris — Winter Cress. 



„ prcecox — Early Winter Cress. 

 Cardamine pratensis — Cuckoo-flower. 

 Sisymbrium A lliaria — J ack-by-the-hedge. 

 Brassica Napus — Rape. 

 Cakile tjiaritima — Sea Rocket. 

 Also on horse-radish and mignonette. 

 Pieris daplidice. 



Reseda Luteola — Dyer's Rocket. 

 „ lutea — Wild Mignonette. 

 In confinement on Reseda odorata. 



Euchloe (Anthocharis) cardamines. 



Nasturtium officiyiale — Water-cress. 



Barbarea vulgaris — Winter Cress. On the seeds, 



Arabis perfoliata — YLock. Cress. 



Cardamine pratensis — Cuckoo-flower. 



„ impatietis — Narrow-leaved Bitter Cress. 



Hesperis matronalis — Dame's Violet. 

 Sisymbrium officinale — Hedge Mustard. 



„ A lliaria — J ack-by-the-hedge, 



Brassica Sinapis — Wild Mustard. 

 Also on the flower-stems of horse-radish. 

 Leucophasia sinapis. 



Lotus corniculatus — Bird's-foot Trefoil. 



,, pilosus — Greater Bird's-foot Trefoil. 

 Vicia Cracca — Tufted Vetch. 



Lathyrus (Orobus^ tuberosus — Tuberous Bitter Vetch. 

 „ „ sylvestris — Everlasting Pea. 



Colias hyale. 



Medicago sativa — Lucerne. 



,, lupulina — Black Medick. 

 Trifolium pratense — Purple Clover. 



„ repens — Dutch Clover. 



Lotus corniculatus — Bird's-foot Trefoil. 

 Also on other leguminous plants. 

 Colias edusa. 



Trifolium pratense — Purple Clover. 



„ repens — Dutch Clover. 

 Lotus corniculatus — Bird's-foot Trefoil. 

 Also on other leguminous plants. 

 Gonopteryx rhamni. 



Rhamnus Catharticus — Buckthorn. 

 „ Frangula— AMtr Buckthorn. 



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