TYPE SPECIMENS OF FOSSIL PLANTS. 261 



4086. Populus anomala Ward. Type. 



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

 Montana. 



Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p, 23, pi. 8, fig. 7. 



208. Populus arctica Heer. Illustrated specimens. 



210 Laramie? (Cret.). Carbon, Wyoming. 



Lesquereux, Rep. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 178, 

 pi. 23, figs. 3, 5. 



212 Populus arctica Heer. See Populus decipiens. 

 to 

 216. 



5389. Populus auriculata Ward. Type. 



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

 Vernon, Virginia. 



Ward, Fifteenth Ann. Rept. U. S. Geol. Surv., 1895, p. 356, pi. 4, 

 %- 4- 



4403. Populus balsamoides Goeppert. Illustrated specimen. 



Miocene (Tert.). Cliff west of Fossil Forest Ridge, Yel- 

 lowstone National Park. 



Knowlton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 696, 

 pi. 86, fig. 1. 



579. Populus cordata Newberry. Type. 



Fort Union (Tert.). Fort Union, North Dakota. 



Newberry, Ann. Lye Nat. Hist. N. Y., IX, 1868, p. 60; U. S. Geol. 

 Surv. Terr., Ills. Cret. and Tert. Plants, 1878, pi. 14, fig. 6; 

 Mon. XXXV, U. S. Geol. Surv., 1898, p. 38, pi. 29, fig. 6. 



623. Populus(?) cordifolia Newberry. Type. 



6894. Dakota (Cret.). Blackbird Hill, Nebraska. 



Newberry, Ann. Lye. Nat. Hist. N. Y., IX, 1868, p. 18; U. S. Geol. 

 Surv. Terr., Ills. Cret. and Tert. Plants, 1878, pi. 3, fig. 7; Mon. 

 XXXV, U. S. Geol. Surv., 1898, p. 40, pi. 3, fig. 7. 



4087. Populus craspedodroma Ward. Type. 



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

 tana. 

 Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 21, pi. 8, fig. 3. 



223. Populus cuneata Newberry. Types. 



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



6982. Union, Buford County, North Dakota. 



Newberry, Ann. Lye. Nat. Hist. N. Y., IX, 1868, p. 64; Mon. 

 XXXV, U.'S. Geol. Surv., 1898, p. 41, pi. 28, figs. 2, 3. 



See Populus nervosa elongata. 



6997. Populus cuneata Newberry. Illustrated specimen. 



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

 tana. 

 Newberry, Mon. XXXV, U. S. Geol. Surv., 1898, p. 41, pi. 29, fig. 7. 

 See Populus nebrascensis. 



