944 THE JOURNAL OF BOTANY 
flora that has been attempted, it is almost needless to add that in 
this respect provision for the study of the flora of our islands is far 
behind that of certain other countries, and very notably behind 
that made in the Flora Danica. 
Turning next to the provision of less costly aids to the study of 
British plants, we have manuals of most of the larger groups. The 
of the British Islands, by Sir J. D. Hooker, issued in 1870, took 
the place of the well-known British Flora (1830, and in sub- 
& : 
Arnott). The third edition of the Student’s Flora appeared in 
1884, and there has been none since. Mr. F. N. Williams’s 
Prodromus Flore Britannice, begun in 1901, of which less than 
t 
middle of last century, even to the extent in the most of them of 
ret onifere as a division of Dicotyledones. Apart from 
no place in the Student's Flora, and are only mayo een ne 
j ent § Ora, an nl 1 * . t 
recent edition of the Manual. See Pane nobland SENS 
Lists of vascular plants of the British flora that have 
ar 
they illustrate very forcibly certain of the difficulties that beset 
the path of the student — to gain a knowledge of the plants of 
it scarcely possible to gain 
