264 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



4085. Populus hederoides Ward. Type. 



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

 Montana. 



Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 22, pi. 8, fig. 5. 



1689 Populus heerii Saporta. Illustrated specimens, 



to Green River (Tert.). Florissant, Colorado. 



1 696. Lesquereux, Rept. U. S. Geol. Surv. Terr., VIII, Pt. Ill, 1883, 



1707. p. 157, pi. 30, figs. 1-8; pi. 31, figs. 6, 11. 



1712. 



4083. Populus inaequalis Ward. Type. 



Fort Union (Tert.). Burns' s Ranch, below Glendive, 

 Montana. . __ 



Ward, Bull. No. 37, U. S. Geol. Surv., 18S7, p. 24, pi. 9, fig. 2. 



627. Populus lancastriensis Uesquereux. Type. 



Dakota (Cret.). Near Lancaster, Nebraska. 

 Lesquereux, Amer. Journ. Sci. , XLVI, 1868, p. 93. 

 = Populites lancastriensis. 



200. Populus latior cordifolia Heer. Illustrated specimen. 



Laramie? (Cret.). Washakie Station, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv., VII, Pt. II, 1878, p. 172, 

 pi. 22, fig. 8. 



8292. Populus lindgreni Knowlton. Type. 



Payette, Miocene (Tert.). Two miles southeast of Marsh, 

 Boise Count}-, Idaho. 



Knowlton, Eighteenth Ann. Rept. U. S. Geol. Surv., Pt. Ill, 1898, 

 p. 725, pi. 100, fig. 3. 



8512. Populus lindgreni Knowlton. Illustrated specimen. 



Mascall beds, Miocene (Tert. ) . Twelve miles west of Mount 

 Vernon, Grant County, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 29, pi. 2„fig. 1. 



624. Populus litigiosa Heer. Illustrated specimen. 



Dakota (Cret.). Blackbird Hill, Nebraska. 



Newberry, U. S. Geol. Surv., Ills. Cret. and Tert. Plants, 1878, pi. 3, 

 fig. 6; Mon. XXXV, U. S. Geol. Surv., 189S, p.. 45, pi. 3, fig. 6. 



= Populites litigiosus. 



6916. Populus litigiosa Heer. Illustrated specimen. 



Dakota (Cret.). Fort Harker, Kansas. 



Newberry. U, S. Geol. Surv., Ills. Cret. and Tert. Plants, 1878, pi. 4, 

 fig. i. 



= Populites cyclophylla. 



3585. Populus meedsii Knowlton. Type. 



Fort Union (Tert.). Glendive, Montana. 



Knowlton, Proc. U. S. Nat. Mus., XVI, 1893, p. 34, pi. 1, figs. 1, 2. 



205. Populus melanaria Heer. Illustrated specimen. 



Montana (Cret.). Point of Rocks, Wyoming. 



Lesquereux, Rept. U. S.Geol. Surv. Terr., VII, Pt. II, 1878, p. 173, 

 pi. 64, fig. 5. 



