MAY, 1891. 
THE 
JOURNAL OF BOTAN 
BRITISH AND FOREIGN, 
EDITED BY 
JAMES BRITTEN, F.L.S., 
F.B.S.E. (Plate 
Key to the Genera and Specks of 
tish Mi the Rev. 
ogses... By 
6) JaMESON. (Continued). 1 
Ferns. of New w aaiask and 
a immediate 
_ By H. C. Frerp, C.E. 
New Books 
Articles in Journals 
F.LS. (Continued)... a 
