INDEX 235 
Woods and plantations on limestone on non-calcareous soils, 39 
slopes, Semi-natural, 68 on very wet soils, 39 
Woods, Ash, 65 of the Sandstones and Shales, 46 
Birch and oak, 49, 60 
Bryophytes of, 86, 87 Xero-Pteridetum, 56, 57 
Distribution of the, 38 
Ground vegetation of, 53, 62, 71, Yew, 69 
97 
Yoredale or Pendleside rocks, 7, 13 
Oak (Quercus Robur), 47 
Oak (Quercus sessiliflora), 47 Zonation of the moorland and grass- 
on calcareous soils, 40 land associations, 194 
CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS 
