320 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



15. Sphenopteris lakesii Lesquereux. Type. 



Denver (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. 1878, p. 49, 

 pi. 2, fig. 1. 



= Dryopteris arguta. 



331 1. Sphenopteris latiloba Fontaine. Types. 



3819 Potomac (Low. Cret.). Fishing hut above Dutch Gap 



to Canal; Fredericksburg; Deep Bottom; near Telegraph 



3821. Station (Fredericksburg area), Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, p. 90, pi. 35, figs. 3-5; 

 pi. 36, figs. 4-9; pi. 37, fig. 1. 



1360. Sphenopteris lobifolia Morris. Illustrated specimen. 



Upper Coal Measures (Penn.). Newcastle, New South 

 Wales, Australia. 



Dana, Wilkes U. S. Expl. Exped., X, 1849, p. 715, Atlas, p. 5, pi. 12, 

 fig. 12. 



11. Sphenopteris membranacea Lesquereux. Type. 



Denver (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 50, 

 pi. 2, fig. 2. 



= Dryopteris arguta. 



5663. Sphenopteris missouriensis David White. Type. 



5664. Cherokee, Des Moines (Penn.). Pitcher's Coal Mine, 



Henry County, Missouri. 



White, Mon. XXXVII, U. S. Geol. Surv., 1899, P- 43. P 1 - J 4, fi gs. 1,2. 

 14885. Sphenopteris mixta Schimper. Illustrated specimens. 



14.886. Cherokee, Des Moines (Penn.). Clinton, Henry County, 



Missouri. 



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

 Atlas, 1879, pi. 54, fig. 1; Text, I, 1880, p. 276. 



5687. Sphenopteris mixta Schimper. Illustrated specimens. 



5692. Cherokee, Des Moines (Penn.). Owen's and Hobb'scoal 



5712. mines, and Deepwater, Henry County, Missouri. 



57 J 3- White, Mon. XXXVII, U. S. Geol. Surv., 1899, p. 35, pi. 11, fig. 3; 



5714. pi. 12, figs. 1, 2; pi. 13, figs. 4, 5. 



13. Sphenopteris nigricans Lesquereux. Type. 



Denver (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 51, 

 pi. 2, figs. 4, 5. 



14390. Sphenopteris obovata Lindley and Hutton. 



Illustrated specimen. 

 Coal-bearing shale (Penn. ) . Washington County, Arkansas. 

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

 Text, III, 1884, p. 769, pi. 103, fig. 6. 



14270. Sphenopteris (Crossotheca) ophioglossoides (Lesquereux) 

 David White. Type. 



Cherokee, Des Moines (Penn.). Clinton, Henry County, 

 Missouri. 

 White, Mon. XXXVII, U. S. Geol. Surv., 1899, p. 62. 



See Sorocladus ophioglossoides. 



