A GUIDE AND KEY TO AQUATIC PLANTS 133 



OLEACEAE Olive famUy 



1. Fraxinus [Toiirn.] L. 



1. Twigs pubescent; fruit not as below 1. F. profunda. 



1. Twigs glabrous or, if pubescent, the body of the fruit 2. 

 broadly winged to base. 



2. Leaflets usually. 5, thick and leathery 2. F. pauci flora. 



2. Leaflets usually 7, not so thick nor leathery 3. F. caroliniana. 



1. F. 'profunda Bush — Swamps, Georgia to Alabama and north- 

 ward. 



2. F. pavciflora Nutt. Water Ash — Swamps in the lower Coastal 

 Plain, Florida to Georgia and west to the limit of our territory. 



3. F. caroliniana Mill. Water Ash — Swamps, over all of our 



Coastal Plain. 



2. Forestiera Poir. 



F. acuminata (Michx.) Poir. Swamp Privet — Most frequently in 

 river swamps, over all but the northeastern portion of our territory. 



LOGANIACEAE Logania family 



1. Cynoctonum J. F. Gmel. 



C. mitreola (L.) Britton — Occasionally aquatic, found mostly in 

 the Coastal Plain, Florida north and west to beyond the limits of 

 our range. 



GENTIANACEAE Gentian family 



1. Sabatia Adans. 



1. Petals usually 4 or 5 2. 



1. Petals usually 8-12 3. 



2. Sepals foliaceous, broadened near end L S. calycina. 



2. Sepals not foliaceous, elliptic 2. S. campanulata. 



3. Petals less than 2.5 cm. long, usually acutish at tip 4. 



3. Petals more than 2.5 cm. long, usually rounded at tip.. 3. S. dacandra. 



4. Sepals much shorter than corolla 4. S. harperi. 



4. Sepals as long as corolla or nearly so 5. S. foliosa. 



1. S. calycina (Lam.) Heller — Alluvial situations over all of our 

 Coastal Plain. 



2. S. campanulata (L.) Torr. — Range includes all of our territory. 

 Most common in acid moist places in the Coastal Plain, sometimes in 

 ponds. 



3. S. decandra (Walt.) Harper — Cypress and perhaps other ponds, 

 Coastal Plain, Florida to Alabama and South Carolina. 



4. S. harperi Small — Acid swamps and along pond-margins, Coastal 

 Plain, Florida to Alabama and South Carolina. 



5. S. joliosa Fernald^ — Coastal Plain in Florida and Alabama. 



