(i) The present paper attempts to survey the
nature of endemism among Indian Dicotyledons in a
detailed manner, as similar work has not been previously done. The distribution, relationship and
other features of interest in the Indian species
have been indicated in a commentary in section VIII.
(ii) The total number of species is 11,124
(approximately), of which 61.5 percent is endemic
and the rest 38.5 percent occur in our area as
"wiles." The endemic species have been found in
high concentration in three regions, (a) The Himalayas, (b) South India, and (c) Burma.
(iii) A complete catalogue of the Indian Dicotyledons has been made showing the present distribution and modern nomenclatural changes for each
species. This forms a separate volume of 527 pages.
(iv) It was further necessary to modify the
existing Phyto -geographical map of India, previously
made by Clarke (1898) and Hooker (1909). The
modified arrangement is shown on page 11.
(v) A discussion on the present dominant
genera and families of India has been made in
section VII. which shows some interesting changes
within the last 30 years.