223 



Erem. 



Eremopteris ? marginata. 



5-. 



;(/// 



folia. Bron2;niart. — SpTienopteris erithmifolia^ Lind. & Hutt. — 

 Sphenopteris stricta^ Sternberg. — Lesquereux, Goal Flora, Rt. 

 P, Geol. Sur. Penna., page 293, plate 53, figs. 5, 5a, 6. A rare 

 fern everywhere, but found in the Hollenback mines at Wilkes- 

 Barre, and in Mansfield's mine at Oannelton, Pa. Also in the 

 Morris coal shale, 111., Hazlegreen, Ky., and Helena coal, Ar- 

 kansas.) CoUett's Indiana Rt. of 1883, plate 15, fig. 5, gives it 

 another locality.— X/, XII, XIII, 



{Sphenopteris marginata^ 

 Andrews, Pal. Ohio, Vol. 

 2,page422,plate52,f. 1, 2. 

 Lesquereux suggests that 

 it be placed in a new genus 

 after Megalopteris. Coal 

 Flora, page 296.) Oollett's 

 Indiana Rt. 1883, page 70, plate 9, fig. 5. Related to Adiantites, 

 (Collett.) — Perry Co., Ohio, in the Sub- conglomerate coal 

 measures, XI 



Eridophyllum rugosum. Edwards & Haime, Pal. Fobs 



1851. Collett's Indiana Report of 1882, page 255, plate 3. fig. 



6. — In Indiana and Kentucky, common in Niagara formation, 



Vb, — See figure on page ^22, 



Eridophyllum simcoense. (Billings, Canadian Jour. Nat. 



Sci., Vol. 4, 

 1859.) Col- 

 lett's Indi- 

 ana Report, 

 1882, page 

 262, plate 9, 

 fig. 1. (Van 

 Cleve.) In 

 many r e - 

 gions it is 

 common, in 

 the Upper 

 Helderber g 

 {Corniferous) limestone formation. Villa, 



Note. The greek work Eridos means of or in dispute. This 

 genus of radiate polyps (order Zoantharia,) is placed among 

 the Cyathophylloid corals. Besides the four species here 

 figured there is a fifth, E, vennori, Billings. 



h\(iA%^Z.d.() f.i. 



