The Vascular Plants of Southwestern Georgia

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Abstract
A floristic survey of the vascular plants of all or parts of the 17 southwesternmost counties of Georgia, located on the Gulf Coastal Plain, was made in 1946 and 1947 with some supplementary collecting in 1948 and 1949. In this botanically little-known area of about 5000 square miles, about 8000 numbers representing 1700 spp. were collected. The physiography, geological history, climate, soils, vegetation, floristic elements, settlement and exploitation, and botanical collecting in the region are considered briefly. Two more or less distinct floras characterize the two major physiographic units. The vegetation of the Dougherty Plain (a flat or undulating solution plain) is typically Coastal Plain in composition and appearance; the vegetation of the Red Hills (a submaturely dissected hilly upland) is more Piedmont than Coastal Plain in aspect and contains a large percentage of inland plants. A catalogue of 1750 spp. includes statements of the habitats and frequency of each. For spp. considered rare or infrequent the distribution by counties is given. For spp. collected only once or twice the specific localities are listed. Only synonyms in common use in floristic literature of the s.-e. states are given, with the currently accepted scientific and available popular names. Included is a statistical summary of the flora. No new spp. is named, and 1 new combination, Cacalia maxima (Mesadenia m. Harper) is made.

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