TYPE SPECIMENS OF FOSSIL PLANTS. 265 



6892. Populus microphylla Newberr}-. Type. 



Dakota (Cret.). Blackbird Hill, near Decatur, Nebraska. 

 Newberry, Mon. XXXV, U. vS. Geol. vSurv., 1898, p. 46, pi. 3, fig. 5. 



217. Populus monodon Lesquereux. Types. 



218. Laramie (Cret.j. Raton Mountains, New Mexico. 



Lesquereux, Ann. Rept.U. S. Geol. Surv., 1871, Suppl., 1873, p. 375, 

 Rept. U. S. Geol. Surv. Terr., VII, Ft. II, 1878, p. 180, pi. 24, 

 figs. I, 2. 



219. Populus mutabilis ovalis Heer. Illustrated specimen. 



Laramie (Cret. ). Black Buttes, Wyoming. 



Lesquereux, Rept. n. S. Geol. vSiirv. Terr., VII, Ft. II, 1S78, p. 177, 

 pi. 24, fig. 3. 



6997. Populus nebrascensis Newberry. Type. 



Fort Union (Tert.). Tongue River, Custer County, 

 Montana. 



Newberry, U. S. Geol. vSurv., Terr. Ills. Cret. and Tert. Plants, 1878, 

 pi. 14, fig. 7. 



= Populus cuneata. 



6974. Populus nervosa Newberry. Types. 



6998. Fort Union, (Tert.). Fort Union, Buford County, North 



Dakota, and Tongue River, Custer Cottnty, Montana. 

 Newberry, Ann. Lye. Nat. Hist. N. Y., IX, 1868, p. 61; U. S. Geol. 

 Surv. Terr., Ills. Cret. and Tert. Plants, 1878, pi. 12, figs. 2, 3; 

 Mon. XXXV, U. S. Geol. Surv., 1898, p. 48, pi. 27, fig. 2, 3. 



223. Populus nervosa elongata Newberry. Types. 



6981. Fort Union (Tert.). Yellow.stone River, Montana, and 



6982. Buford County, North Dakota. 



6999- Newberry, Ann. Lye Nat. Hist. N. Y., IX, 1868, p. 62; U. S. Geol. 



Surv. Terr., Ills. Cret. and Tert. Plants, pi. 13, figs. 1-3 (2, 

 3=P. cuneata); Mon. XXXV, U. S. Geol. Surv., 1898, p. 49, 

 pi. 28, fig. I. 



= Poptilusctineata (part). 



8297. Populus occidentalis Knowlton. Type. 



Payette, Miocene (Tert.). Two miles sotithea.st of Marsh, 

 Boise County, Idaho. 



Knowlton, Eighteenth Ann. Rept. U. S. Geol. Surv., Ft. Ill, 189S, 

 p. 727, pi. 99, fig. 14. 



1684 Populus oxyphylla Saporta. Illustrated .specimens, 



to Green River (Tert.). Flori.s.sant, Colorado. 



1686. Lesquereux, Rept. U. S. Geol. vSurv. Terr., VIII, Ft. Ill, 1883, p. 159, 



pi. 38, figs. 9-1 1. 



4080. Populus oxyrhyncha Ward. Type. 



4081. Fort Union (Tert.). Seven Mile Creek, below Glendive, 



Montana. 

 Ward, Bull. No. 37, U. S. Geol. vSurv., 1887, p. 21, pi. 8, figs, i, 2. 



7053 Populus polymorpha Newberry. Types, 



to Upper Eocene (Tert.). Bridge Creek, Crook County, 



7056. Oregon. 



706 1 . Newberry, Mon. XXXV, U. S. Geol. Surv. , 1898, p. 50, pi. 49, figs. 8, 9; 



pi. 58, fig. 4. 



