LAA'V.'E AND FOOD-PLANTS. 29 



Gortyna ochracea (flavago). 



Arctium minus (^Lappa) — Burdock. In the stems. 



Cat duus nutans — Musk Thistle. In the stems of this and 



other thistles. 

 Cnicus palustris — Marsh Thistle. In the stems. 

 Verbascum Thapsus — Mullein. In the stems. 

 Scrophularia aquatica — Water Fig-wort. In the stems. 

 Digitalis purpurea — Foxglove. In the stems. 

 Sambiicus nigra — Elder. 

 Also on potatoe. 

 Hydraecia nictitans. 



Poa annua — Annual Meadow-grass. On the roots of this 



and other grasses. 

 Glyceria tnarilima, 



HydrcEcia petasitis. 



Pctasites officinalis (^vulgaris') — Butter-Bur. In the stems 

 and roots. 

 Hydrcecia micacea. 



Cyperus longus — Cypress-root. 



Carex — Sedge. 



Eqmsetum arvense — Field-Mare's Tail. In the stems. 

 „ limosum. In the stems, 

 Axylia putris. 



Primula acaiilis — Primrose (?). 



Humulus Lupulus — Hop. 



Urtica dioica — Stinging Nettle. 



Also on various low plants. 



Xylophasia rurea. 



Primula acaulis — Primrose. 



,. veris — Cowslip. 

 Also on various grasses. 



Xylophasia lithoxylea. 



Poa annua — Annual Meadow-grass (?). On the roots of this 

 and other grasses. 



Xylophasia sublustris. 



Poa annua — Annual Meadow-grass (?). On the roots of this 

 and other grasses. 



Xylophasia monoglypha (polyodon). 



Poa annua — Annual Meadow-grass (?). On the roots of 

 this and other grasses and low plants. 



Xylophasia hepatica. 



Stellaria media — Chickweed. 



Also on grasses and roots of other low plants. 



