SALAD BURNET 



33 



4-winged calyx-tube or winged receptacle, and are thus dispersed by 

 the wind. When there are 3 achenes they are triangular. 



Salad Burnet is distinctly a lime-loving plant, requiring a lime soil, 

 but may be found commonly on such rock soils as those of the Rock- 





Photo. Flatters & Garnett 



SALAD BURNET (Poterium Sanguhorba, L.) 



bed of the Middle Lias, which is mainly arenaceous, though it under- 

 goes changes which make it largely calcareous in part. 



Two fungi grow on this plant, Phragmidium sanguisorbce and 

 &cidium poterii. It is galled by Eriophyes sanguisorbce. 



The moths, the Reddish Buff Moth (Acosmetia caliginosa), Gnoplws 

 pullata, Paramesia aspersana, Nepticula poterii, Selenia tetralunaria, 

 Essex Emerald (Geometra smaragdaria], feed on it. 



Poterium, Linnseus, is Greek, poterion, for a drinking-cup, as it 

 was used in wine, Pliny tells us. Burnet is from Brunette, brown, from 



VOL. IV. 49 



