90 Lloyd and Tracy : The insular Flora 



on the wet, sandy soils of the larger islands ; not observed on 

 the mainland, where it is replaced by D. latifolia Baldw. 



* fEleocharis albida Torr. In a wet meadow, South Pass. 

 Fimbristylis aiitnmnalis (L.) R. & S. Common. 



fjp. castanca (Michx.) Vahl. Common. 



F. laxa Vahl. Ship Island and Port Eads. 



*F. spadicea (L.) Vahl. Breton and Cat Islands. 



F. Vahlii (Lam.) Link. Common at South Pass. 



Hemicarpa micrantha (Wahl.) Britton. Wet sand on Ship 

 Island and river bank at South Pass. 



Kyllingia brevifolia Rottb. In a wet meadow, South Pass. 



Rynchospora dodccandra Baldw. On a sandy knoll in shade 

 of oak trees, Cat Island. 



R. fascicularis (Michx.) Vahl. Occasional on Cat Island. 



* \Scirpus Americanus Pers. Breton Island and South Pass. 

 fvS. robustus Pursh. On mud lumps. 



Scleria triglomcrata Michx. Cat Island. 

 Stcnophyllus Stenopliyllus (Ell.) Britton. On river bank at 

 South Pass. 



Sabalaceae 



Sabal glabra (Mill.) Sarg. Occasional on Cat Island. 

 Sercnoa serrulata Benth. & Hook. Abundant on the drier 

 parts of the sandy islands. 



Lemnaceae 



Ltiniia sp. In bays, brackish water, mud lumps 



Xyridaceae 

 Xyris serotina Chapm. On border of marsh, Cat Island 



Commelinaceae 



diflora L. Cat and Breton Islands 



Virginica L. Breton Island. 



PONTEDERIACEAE 



Pontederia cordata L. Abundant along the river from Cubit's 

 Gap to Port Eads. 



