306 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3368. Scleropteris dentata Fontaine. Type. 



Potomac (Low. Cret.). Fredericksburg, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, p. 153, pi. 63, figs. 3, 4. 



7355. Scleropteris distantifolia Fontaine. Type. 



Lakota (Low. Cret.). South Fork of Hay Creek, near 

 Barrett, Crook County, Wyoming. 



Fontaine, Nineteenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1899, 

 p. 662, pi. 162, figs. 2, 3. 



3319. Scleropteris elliptica Fontaine. Types. 



3794. Potomac (Low. Cret.). Fredericksburg; lignite deposit 



near Potomac Run; fishing hut above Dutch Gap Canal; 



Kankeys; near Telegraph Station, Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, pp. 151, 152, pi. 28, 

 figs. 2, 4, 6; pi. 29, fig. 1. 



3371. Scleropteris elliptica longifolia Fontaine. Types. 



3414. Potomac (Low. Cret.). Fredericksburg, Virginia. 



3969. Fontaine, Mon. XV, U. S. Geol. Surv., 1SS9, p. 152, pi. 28, fig. 7. 



7357. Scleropteris rotundifolia Fontaine. Type. 



Lakota (Low. Cret.). South Fork of Hay Creek, near 

 Barrett, Crook County, Wyoming. 



Fontaine, Nineteenth Ann. Rept. U. S. Geol. Surv., Pt. II, 1899, 



p. 663, pi. 162, figs. 4, 5. 



5376 Scleropteris vernonensis Ward. Types, 



to Potomac (Low. Cret. ). Near mouth of Doag Creek, Mount 



5378. Vernon, Virginia. 



Ward, Fifteenth Ann. Rept. U. S. Geol Surv., Pt. II, 1895, p. 349, 

 pi. 2, figs. 1-3. 



3927. Scleropteris virginica Fontaine. Type. 



Potomac (Low. Cret. ) . Red clay banks of Dutch Gap Canal, 

 Virginia. 



Fontaine, Mon. XV, U. S. Geol. Surv., 1889, p. 152, pi. 28, figs. 3, 5. 



2. Sclerotites rubellus (Lesquereux) Meschinelli. Type. 



Denver (Cret.). Golden, Colorado. 



Meschinelli, Syllog. Fung. Foss., 1892, p. 69 [805]. 

 See Sclerotium rubellum. 



2. Sclerotium rubellum Lesquereux. Type. 



Denver (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 35, 

 pi. 1, fig. 2. 



= Sclerotites rubellus. 



8177. Selaginella apus (Linnaeus) Springer. Supplemental type. 



Interglacial. Lookout Point, Yellowstone National Park. 



Knowlton, Plant World, III, Feb., 1900, p. 31. 



35. Selaginella berthoudi Lesquereux. Type. 



Denver (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 46, 

 pi. 5, fig. 12. 



