WEST VIRGINIA GEOLOGICAL SURVEY 429 



POTAMOGETON ROBBINSII Oakes. 



Knowlton, Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 

 FAGUS FERRUGINEA Ait. 



Knowlton: Amer. Geologist, Minneapolis, vol. 2, p. 371. 

 Pleistocene (Interglacial) : [Carmichaels clay.] 

 CASTANEA PUMILA Mill. 



Knowlton, Amer. Geologist, Minneapolis, vol. 18, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 



QUERCUS FALCATA Mich. 



Knowlton, Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 

 BETULA NIGRA L. 



Knowlton, Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 

 PLATANUS OCCIDENTALIS L. 



Knowlton, Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 

 ULMUS RACEMOSA Thomas. 



Knowlton : Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 



LlQUIDAMBAR STYRACIFLUA. 



Knowlton : Amer. Geologist, Minneapolis, vol. 2, 1896, p. 

 371. Pleistocene (Interglacial) : [Carmichaels clay.] 



PLANTS REPORTED FROM THE POCONO (MISSISSIP- 

 PI AN) AT LEWIS TUNNEL, VA., SIX MILES 

 EAST OF WHITE SULPHUR, W. VA. 



ARCHAEOPTERIS ALLEGHANIENSIS (Meek) Fontaine & I. C. White. 

 ARCHAEOPTERIS BOCKSCHIANUS Lesquereux. 

 TRIPHYLLOPTERIS LESCURIANA (Meek) Fontaine.* 

 TRIPHYLLOPTERIS VIRGINIANA (Meek) Meek. 

 LEPIDODENDRON SCOBINIFORME Meek. 

 LEPIDOCYSTIS SILIQUA (Dawson) D. White. 



*The plants listed by Prof. Fontaine (Amer. Jour. Sci. (3). 

 vols. 7 and n, 1874 and 1876) as Cyclopteris Jacksoni, Palaeop- 

 tens Jacksoni, and P. cf. obtusa, probably are forms closely re- 

 lated to, if not indentical with, Triphyllopteris znrginiana and T. 

 Lescuriancir. 



