9 8 
Brenchley.— The Weeds of Arable Land in 
Senecio vulgaris . Universally distributed, but by no means so frequent 
in occurrence as in Bedfordshire. Never dominant. 
Sonchus avvensis . Generally distributed, but chiefly on chalk and 
clay. Frequently dominant on chalk, also dominant on clay and sand. 
Taraxacum dens-leonis. Recorded most frequently from chalky soils, 
but also occurs on all other types. Never dominant. 
Tussilago Far far a. Chiefly on clay, but frequent on other soils. 
Dominant on clay and chalk. 
Primulaceae. Anagallis arvensis. Distributed over various types of 
soil but rarely in any quantity. It does not seem to appreciate chalky soils. 
Never dominant ; once sub-dominant on ‘ bake 
Convolvulaceae. Convolvulus arvensis . Universally distributed as 
to soil and dominant anywhere. One of the most commonly occurring 
weeds. 
Boraginaceae. Lithospermum arvense. Characteristic of chalky soils. 
Never dominant. 
Myosotis arvensis. Confined to chalky soils. Never dominant. 
Orobanchaceae. Orobanche minor . Only recorded from one district 
on chalky soils. Never dominant. 
Scrophulariaceae. Bartsia Odontites. Practically confined to chalky 
soils ; very occasional on clay. Never dominant. 
Lmaria spuria. Occasionally recorded from the lighter soils — loam 
and red land. Never dominant. 
Linar ia vulgaris. Characteristic of chalky soils. Never dominant. 
Veronica agrestis. Found on all types of soil. Never dominant. 
Veronica hederaefolia. Recorded from all types of soil, but only 
dominant in one place, on chalk. 
Labiatae. Mentha arvensis. Chiefly found on clay soils ; probably 
characteristic of heavy land. Never dominant, once sub-dominant on 
clay. 
Plantagineae. Plantago lanceolata. Practically confined to chalky 
soils. Never dominant. 
Plantago major. Recorded from all types of land, but chiefly found 
on clay and chalky soils. Never dominant. 
Plantago media. Confined to clay ; never seen on chalk. Never 
dominant. 
Illecebraceae. Sceleranthus annuus. Only seen on ‘ bake \ 
Chenopodiaceae. Chenopodium album . Universally distributed both 
as to soil and dominance. 
Polygonaceae. Polygonum avicidare. Chiefly found on chalk and 
clay. Often dominant on both types. 
Polygomtm Convolvulus . Chiefly on clay and chalky soils. Never 
dominant. 
