The author wishes to acknowledge gratefully the unfailing kindness of her many 
friends in supplying her with the necessary specimens of flowers from which these studies 
have beeyi made. Especially must she thank Mr. fames E. B agnail, A.L.S., for his 
unselfish and generous help , both in finding the flowers for painting and in revising the 
text ; and Mr. fohn Humphreys , F.L.S., for his unstinting aid and sympathy during the 
whole time this work has been on hand. Her best thanks are also due to Mr. D. A. fones , 
F.L.S., Miss Gingell , Mr. E. Cleminshaw, and Miss Palmer. Nor can she refrain froyn 
addvig a word of gratitude for the skill and care which have been bestowed on the 
reproduction of her drawings. 
