Synopsis Guntur, one of the 9 coastal districts of Andhra Pradesh, lies between 15o 18 and 16o 50 of the north latitudes and 79o 10 and 80o 55 of the eastern longitudes. It covers an area of 11, 400 sq km. It has mangroves, dry deciduous forests and scrub jungles. Topography and general features, past and present work and vegetation types are given in the beginning. The next part includes Systematic Enumeration. A total of 891 species belonging to 495 genera and 132 families have been enumerated. The families have been arranged according to Bentham and Hooker's system with incorporation of recent changes. Under each family key to the genera, followed by the genus with its authority, key to the species and species enumeration is given. The genera and species are arranged in alphabetical sequence. Keys are of the indented type. The enumeration of species includes citation according to ICBN, basionym and synonym if any, description, distribution in the district, flowering and fruiting period, vernacular name and specimens examined. Bibliography, index to families, genera and species are given at the end.