314 BULLETIN 53 ; UNITED STATES NATIONAL MUSEUM. 



501 16. Smilax grandifolia cretacea Lesquereux. Type. 



Dakota (Cret.). Ellsworth County, Kansas. 



Lesquereux, Mon. XVII, U. S. Geol. Surv., 1891, p. 40, pi. 46, fig. 3. 



4436. Smilax lamarensis Knowlton. Types. 



5134. Miocene (Tert. ). East bank Lamar River, between Cache 



5162. and Calfee creeks, and Fossil Forest Ridge, Yellowstone 



National Park. 



Knowlton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 685, 

 pi. 121, figs. 3, 4. 



2733. Smilax undulata Lesquereux. Type. 



Dakota (Cret.). Near Fort Harker, Kansas. 



Lesquereux, Mon. XVII, U. S. Geol. Surv., 1891, p. 39, pi. 46, fig. 2. 



2613. Smilax wardii Lesquereux. Type. 



Miocene (Tert.). Van Horn's Ranch, John Day Valley, 

 Oregon. 



Lesquereux, Proc. U. S. Nat. Mus., XI, 1888, p. 19, pi. 13, fig. 1. 



19612. Sorocladus dispensus Lesquereux. Type. 



Dunkard (Perm.). Cassville, West Virginia. 



Lesley, Dictionary Foss. Plants, Pa., Geol. Surv. Pa., P4, III, 1890, 

 P- 973- 



14270. Sorocladus ophioglossoides Lesquereux. Type. 



Cherokee, Des Moines (Penn.). Clinton, Hemy^ County, 

 Missouri. 



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

 Atlas, 1879, pi. 48, fig. 11; Text, I, 1880, pp. 329, 330. 



= Sphenopteris (Crossotheca) ophioglossoides. 



14273. Sorocladus sagittatus Lesquereux. Types. 



14274. Allegheny (Penn.). Mazon Creek, Grundy County, Illi- 



nois. 



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

 Text, III, 1884, p. 760. 



4224. Sparganium stygium Heer. Illustrated specimens. 



4225. Fort Union (Tert.). Seven Mile Creek, below Glendive, 



Montana. 



Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 18, pi. 3, figs. 6, 7. 



7665. Spathites sp. Knowlton. 



Montana (Cret.). Dunn's Ranch, west of Harper's Sta- 

 tion, Albany County, Wyoming. 



Knowlton, Bull. Geol. Soc. Amer., VIII, 1897, p. 140. 



7703. Spathyema ? nevadensis Knowlton. Types. 



7704. Esmeralda (Neocene). 3.8 kilometers northeast of Emi- 



grant Peak, Esmeralda County, Nevada. 



Knowlton, Twenty-first Ann. Rept. U. S. Geol. Surv., Pt. II, 1900, 

 p. 211, pi. 30, figs. 17, iS. 



