896 
Wilson.—Plant Distribution in the 
Sand on the right covered with dead leaves of the Chestnut, and on the 
left the Chalk soil with abundant Mercurialis perennis . Finally, at the 
bottom of the slope, a deposit of alluvium (river gravel) is found. The 
Alluvium. 
Thanet Sand. 
A?.?... Contours. 65. Altitude in Feet. 
135? Estimated altitude in Feet. 
Scale : 6 Inches=l Mile. 
The woods are shown in heavy outline. 
copse here consists principally of Ash and Hazel, and in the ground 
flora Mercurialis perennis , Endymion nutans , and Ranunculus Ficaria are 
abundant. It is interesting to note that the flora of the alluvium on the 
south-east of the wood is distinctly of the Thanet Sand type, while on the 
