14 
Forward 1001 
Flowering Plants. 
Aliens included in the fourth edition of 
the “ London Catalogue ” 95 
Aliens excluded from do 31 
1127 
Incognita. 
Flowering Plants 73 
Ferns 8 
1208 
Flowering Plants. 
Type of Distribution. 
Number of Species. 
Per Centage. 
British 
542 
57— 
English 
272 
28 + 
Scottish 
51 
5 + 
Highland 
30 
3 + 
Germanic 
29 
3 + 
Atlantic 
7 
1— 
Local or doubtful 
25 
3— 
956 
100 
Ferns. 
Type of Distribution. 
Number of Species. 
Per Centage. 
British 
25 
56— 
English 
5 
11 + 
Scottish 
4 
9— 
Highland 
6 
13 + 
Atlantic 
3 
7— 
Local or Doubtful 
2 
4+ 
45 
100 
If we unite the Germanic and Atlantic types with the English, and the 
Highland type with the Scottish ; and thus group together, 1st species 
universal, or almost universal in their distribution throughout Britain ; 
2nd species, which run out northward; 3rd species, which run out south- 
ward ; and 4th species, of limited diffusion in Britain ; we shall find the 
Flora of Yorkshire thus made up : — - 
