Flora of the County of Dublin. Flowering Plants, Higher Cryptogams, and Characeae. With a Map. Dublin: Hodges, Figgis, 1904. First Edition. Pp lxx, 324, uncut & unopened. Original buckram, title in gilt on spine, covers ruled in blind. Covers faded and rubbed, contents in fine condition. Ex library copy, with ink stamps & with occasional label residue to endpapers.

Map of Co Dublin folded-in at rear.

 Nathaniel Colgan (1851–1919) was a keen amateur Irish naturalist, the Flora of the County Dublin is regarded as one of the most important contributions to Irish botany. His 1896 monograph on the history of the shamrock in Ireland is still the definitive account, and probably his best-known work.