TYPE SPECIMENS OF FOSSIL PLANTS. 265 



6892. Populus microphylla Newberry. Type. 



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



Newberry, Mon. XXXV, U. S. Geol. Surv., 1898, p. 46, pi. 3, fig. 5. 



217. Populus monodon Lesquereux. Types. 



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



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

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

 figs. 1, 2. 



219. Populus mutabilis ovalis Heer. Illustrated specimen. 



Laramie (Cret.). Black Buttes, Wyoming. 



Lesquereux, Rept. CT. S. Geol. Surv. Terr., VII, Pt. 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. Surv., 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 County, 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 Newbeny. Types. 



6981. Fort Union (Tert.). Yellowstone River, Montana, and 



6982. Buford County, North Dakota. 



6 999- 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. 1. 



= Populus cuneata (part). 



8297. Populus occidentalis Knowlton. Type. 



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

 Boise County, Idaho. 



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

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



1684 Populus oxyphylla Saporta. Illustrated specimens, 



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



1686. Lesquereux, Rept. U. S. Geol. Surv. Terr., VIII, Pt. 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. Surv., 1887, p. 21, pi. 8, figs. 1, 2. 



7053 Populus polymorpha Newberry. Types, 



to Upper Eocene (Tert.). Bridge Creek, Crook Countj^, 



7056. Oregon. 



7061 . Newberry, Mon. XXXV, U. S. Geol. Surv., 1898, p. 50, pi. 49, figs. 8, 9; 



pi. 58, fig. 4- 



