The various contrivances by which orchids are fertilised by insects /
New York :
2d ed., rev.
First edition published under title: On the various contrivances by which British and foreign orchids are fertilised by insects.
"List of papers and books bearing on the fertilisation of the Orchideae, which have been published since the appearance of the first edition of this work in 1862, arranged in chronological order": p.
Fertilization of plants
QK926 .D24 1886