316 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3373- Sphenolepidium recurvifolium Fontaine. Type. 



Potomac (Dow. 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 (Dow. Cret.). Hillside near Potomac Run; 



Fredericksburg, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 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. 1. 



3275. Sphenolepidium sternbergianum densifolium Fontaine. 



3879. Illustrated specimens. 

 3928. Potomac (Dow. Cret.). Near Telegraph Station; hillside 



near Potomac Run; 7 2d 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;pl. 131, figs. 1, 3; pi. 132, fig. 4. 



3745. Sphenolepidium sternbergianum densifolium Fontaine. 



Illustrated specimen. 

 Trinity (Dow. Cret.). Glenrose, Texas. 



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



3338. Sphenolepidium virginicum Fontaine. Type. 



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



ginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1S89, pp. 259,260, pi. 125, 

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



18710. Sphenophyllum angustifolium Germar. Illustrated specimen. 

 Monongahela (Penn.). 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 Desquereux. Type. 



Pottsville (Penn.). Washington County, Arkansas. 



Lesquereux, Rept. Geol. Surv. Ark., II, 1862, p. 309, pi. 1, fig. 2; 

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

 1879, p. 1, pi. 2, figs. 10, 10a; Text, I, 1880, p. 55. 



6086. Sphenophyllum emarginatum Brongniart. 



Illustrated specimen. 

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

 Count}', Missouri. 



White, Mon. XXXVII, U. S. Geol. Surv., 1S99, p. 177, pi. 59, 

 fig. id. 



