96 



16. Rynchospora corniculata Lamarck. — Spile- [spoil-] market, 



Ritter, S. Car.; from the effect of the presence of its 

 akenes in reducing the grade of rice; a name persisting 

 from the now rather remote days of rice farming. 



Araceae 



17. Acorus Calamus L. — Belle-angelique, swamp-root, wild flag, 



wild iris, Missouri (Dorrance). 



Eriocaulaceae 



18. Eriocaulon spp. — Hatpins, eastern North Carolina (A. C. 



Martin). 



Bromeliaceae 



19. Dendropogon usneoides L. — Barbe espagnole, Louisiana 



^nd Missouri (Dorrance). 



Saururaceae 



20. Saururus cernuus L. — Swamp-dragon, Combahee River, 



S. Car. (L. A. Beckman). 



Juglandaceae 



21. Juglans cinerea L. — Noyer tendre, Missouri, (Dorrance). 



22. Juglans nigra L. — Noyer de France, Missouri (Dorrance). 



Betulaceae 



23. Corylus rostrata Alton. — Horned hazel (David Thomas, 



Travels, etc., 1819, p. 222). 



Urticaceae 



24. Celtis occidentalis L. — Bois connu, a syncopated form of 



bois inconnu, Louisiana (Dorrance) ; hagberry,^ hoop- 

 wood, Kentucky and Virginia; sugarnut, Kentucky 

 Barton). 



Amaranthaceae 



25. Acnida cannahina L. — Marsh poke, Delaware (C. Cottam). 



26. AUernanthera philoxeroides Martins. — Pigweed, through- 



out lower South Carolina. 



• Hagberry is a Scottish name for the bird cherry, Prunus Padus. It became 

 corrupted to hackberry. Editor. 



