J. C. Willis

Corrections and additions to Trimen's "Flora of Ceylon," 1893-1911

A handbook of the vegetable economic products of Ceylon, native, cultivated, or imported

Dictionary Flowering Plants

Ceylon, a handbook for the resident and the traveller

Manual and dictionary of the flowering plants and ferns

A species of Polycarpaea new to Ceylon

The botany of the Maldive Islands

A manual and dictionary of the flowering plants and ferns

Age and area

Agriculture in the tropics

The geographical distribution of the Dilleniaceae, as illustrating the treatment of this subject on the theory of mutation

Observations on the flora of the pollard willows near Cambridge

A manual and dictionary of the flowering plants and ferns

The birth and spread of plants

The course of evolution by differentiation or divergent mutation rather than by selection

Flowers and insects in Great Britain

The literature of economic botany and agriculture

Agriculture in the tropics

A revised catalogue of the indigenous flowering plants and ferns of Ceylon