WOODLAND PLANTS 



347 



Dry and moist Oak woods. Fig. 223, 1 and 2, are maps 

 showing the vegetation of a wooded escarpment with 

 siliceous soils. Fig. 223, 3, is a soil map of the same wood. 

 Note the form of the escarpment as indicated by the 



rrOAH 



UPlNE 

 BEECH. 



.VHEATWPLKN-nj 

 HII BRACKEN. 

 '- SOFTGRftSS. 

 U.1:lSOrTGRASS-P.Rf>,CEN 



-Bluebell society 



shallow 



SftNOy PEAT. 

 |:IH STONyDEBUl 

 I l IIHUMUS OVR 



TINE. LOAM 



Fig. 223. Comparative Maps of a Wood. 1, showing distribution 

 of trees ; 2, undergrowth ; 3, soils. 



contour lines. The highest part of the wood has a shallow 

 soil of sandy peat resting on millstone-grit sandstone ; 

 the latter is coarse-grained and jointed, and thus permits 

 rapid drainage (see Fig. 212). The steep slope is covered 



