FOOTNOTE

10. We did find a single very small, rather disturbed glade, actually in the vicinity of Ketona. The rock type of this glade has not been determined, but the color and weathering characteristics of the rock appeared to us more like those of limestone than of Ketona Dolomite, at least as the Ketona Formation is expressed in Bibb County. Floristically as well, this site had more in common with limestone glades to the north than with the Bibb County glades, with such elements as Amphiachyris dracunculoides (DC.) Nutt. [Gutierrezia dracunculoides (DC.) Blake, Xanthocephalum dracunculoides (DC.) Shinners; A. and S. 8027, UNA, VDB] and Clinopodium glabellum (Michx.) Kuntze, s. str. [Satureja glabella (Michx.) Briq., Calamintha glabella (Michx.) Benth.; A. 11908, UNA]. The latter, a state record (fide USDA 2000), is apparently disjunct at least 230 km from the cedar glade country of Middle Tennessee (cf. distribution map in Chester et al. 1997). Underscoring its stronger affinities with limestone glades to the north, this Jefferson County glade even supported a population of Erigeron strigosus var. calcicola.