( 



Nyssaceae 



Nyssa sylvatica var. bif lora (Walt.) Sarg. 



Common marginal tree, occurring usually singly or 



in small groups in or around shallower ponds. 

 Onagraceae 



Ludwigia palustris (L.) Ell. Occurring occasionally in 

 .. somewhat disturbed ponds. 



Ppaceae 



Amphica rpuni purshii Kunth. Radford et. al. 1968 

 Andropog on virginicus L. Common on open, wide margins of 



shallower ponds not inundated in late summer. 

 E ragrostis elliottii S. Wats. Occasional on margins of 



open grassy type escaping inundations during summer. 

 Erag r ostis refracta (Muhl.) Scribn. Occasional around 



moist, sandy margins. 

 Erianthu s g iganteus (Walt.) Muhl. Frequently found 



around shallow marshy borders. 

 Hydrochloa caroliniensis Beauv. Floating in submerged 



ma-ts in perennial ponds. 

 Leersia hexandra Swarts . Emergent mats in perennial ponds. 

 Panicum dichotomif lorum Michx. Sandy margins. 

 Panicum erectifolium Nash. Open sandy margins not 



subject to flooding. 

 Pan icum hemitomon Schult. Disturbed perennial ponds. 

 Panicum tenerum Beyr. ex Trin. Flooded edges. 

 Panicum verrucosum Muhl. Sandy margins not subject to 

 y^ summer flooding. 



234 



