EUPHORBIACE^E. 89 



ORDER LXXVII. EUPHORBIACE^E. (SPURGE TBEBE.) 



MERCURIALIS. (Dog s Mercury.) 



1. M. perennis. L. (Perennial or Dog's Mercury.) 

 Woods and shady places. 3-5. 



Roxeth. Horsington Lane in abundance. Frequent 

 in Pinner and Ruislip Woods. 



2. M. annual L. (Annual Mercury.) 

 Waste and cultivated land. 8, 9. 



Pinner. A single plant in the Parsonage Garden. 

 September, 1872. 



EUPHORBI A . (Spurge. ) 



1. E. Helioscopia. L. (Sun Spurge.) 

 Waste and cultivated ground. 6-10. 

 Gardens, etc., at Harrow and Pinner, frequent. 



2. E. platyphylla.* L. (Broad-leaved Warted Spurge.) 

 Corn-fields, etc. 6-10. 



A single plant was found on the road side between 

 Harrow and Eastcott, and no others were seen in the 

 neighbourhood, though perhaps if the ploughed land on the 

 other side of the hedge had been examined, a further sup- 

 ply might have been obtained. Stanmore. (Varenne.) 



3. E. Peplus. L. (Petty Spurge.) 

 Cultivated and waste ground. 7-11. 



Abundant as a weed in the gardens at Harrow and 

 Pinner, and on waste heaps. 



4. exigua. L. (Dwarf Spurge.) 

 Corn-fields. 7-10. 



At Wood End and Pinner. 

 T 2 



