No. 17] FLOWERING PLANTS AND FERNS 57 









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SEETCH MAP OF TOPOGRAPHIC REGIONS | : 
' PEARL RIVER i] 
1—Tennesseea River Hills. 
2—Northeast Prairie Belt. eae HARRISON jf Jackson 
3—Pontotoe Ridge. t 
4—Flatwoods. 
5—North Central Plateau. 
6—Jackson Prairie Belt. 
7—Loess or Bluff Region. 
8—Yazoo Delta. 
9—Coastal Pine Meadows. 

