316 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3373. Sphenolepidium recurvifolium Fontaine. Type. 



Potomac (Low. Cret.). Fishing hut above Dutch Gap 

 Canal ; hillside near Potomac Run ; near Telegraph 

 Station, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, pp. 258, 259, pi. 127, 

 fig. 2; pi. 130, figs. 2, 7. 



3367. Sphenolepidium sternbergianum (Dunker) Heer. 



3878. Illustrated specimens. 

 3917. Potomac (L,ow. Cret.). Hillside near Potomac Run; 



Fredericksburg, Virginia. 



Fontaine, Mon. XV, U. S. Geol. vSurv., 1889, p. 261, pi. 121, figs. 8, 

 10, 11; pi. 130, fig. 9. 



5382. Sphenolepidium sternbergianum (Dunker) Heer. 



Illustrated specimen. 

 Potomac (Low. Cret.). Near Mouth of Doag Creek, 

 Mount Vernon, Virginia. 



Ward, Fifteenth Ann. Rept. U. S. Geol. Surv., 1895, p. 359, pi. 3, 

 fig. I. 



3275. Sphenolepidium sternbergianum densifolium Fontaine. 



3879. Illustrated specimens. 

 3928. Potomac (Low. Cret.). Near Telegraph vStation; hillside 



near Potomac Run; 72d milepost; Fredericksburg, 

 Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, pp. 261, 262, pi. 118, 

 fig. 7; pi. 121, figs. 5, 7, 9; pi. 125, fig. 2; pi. 129, fig. 3; pi. 130, 

 fig. i; pi. 131, figs. I, 3; pi. 132, fig. 4. 



3745- Sphenolepidium sternbergianum densifolium Fontaine. 



Illustrated specimen, 

 Trinit}' (Low. Cret.). Glenrose, Texas. 



Fontaine, Proc. U. S. Nat. Mus., XVI, 1893, p. 268, pi. 36, fig. 10. 



3338. Sphenolepidium virginicum Fontaine. Type. 



3874. Potomac (Low. Cret.). 72d milepost, near Brooke, Vir- 



ginia. 



Fontaine, Mon. XV, U. S. Geol. Sur\-., 1889, pp. 259, 260, pi. 125, 

 fig. 4; pi. 166, fig. 6. 



187 10. Sphenophyllum angustifolium Germar. Illustrated specimen. 

 Monongahela (Penu.). Hocking Valley, Ohio. 



Lesquereux, Coal Flora, Second Geol. Surv. Pa., Rept. Prog. P, 

 Text, III, 1884, p. 726, pi. 93, fig. 8. 



18629. Sphenophyllum bifurcatum Lesquereux. Type. 



Pottsville (Penn.). Washington County, Arkansas. 



Lesquereux, Rept. Geol. vSurv. Ark., II, 1862, p. 309, pi. i, fig. 2; 

 Coal Flora, Second Geol. Sur\'. Pa., Rept. Prog. P, Atlas, 

 1879, p. I, pi. 2, figs. 10, loa; Text, I, 1880, p. 55. 



6086. Sphenophyllum emarginatum Brongniart. 



Illustrated specimen. 

 Cherokee, Des Moines (Penn.). Owen's Coal Mine, Henry 

 County, Missouri. 



White, Mon. XXXVII, U. S. Geol. Surv., 1899, p. 177, pi. 59, 

 fig. id. 



