KNowi.TON.i DESCRIPTION OF Sl'EOIKS. 43 



Ai>Ni's Kkkki.'stkimi ^ ((lopp. ) I'nijjci'. 



Alms Kkkiohstkinmi ((iopj). ) lii<;tT. Lescincreiix, I'loc V. S. Nat. Muh., VdI. XI, 

 J). 18, 18S8. 



A siiiolc* cxiimplo hiiviiii4' no portion of tlic mariiin pivsci'vod. It is 

 I'oftMTcd witii hesitation to this species. 



Locality. — Van Horn's ranch, about 12 miles west of Mount Vernon, 

 Grant County, Oreg-on. C'ollected ])v Maj. Charles E. Bendire (U. S. 

 Nat. Mus., No. 241 U). 



Family FAGACE.^. 



Fagus? sp. 



F.vdis CASTAN'E.i'^Foi.iA Tnger. I^cscnicicux, Troc. V. S. Nat. ^lu.s., Vol. XT, p. 18, 1888. 



This determination was based on a single fragment of the lower por- 

 tion of a leaf. It is doubtful even whether it belongs to Fagus, and 

 can have no value in iixing the age of or atl'ording a stratigraphic 

 mark for these beds. 



Locality. — Van Horn's ranch, about 12 miles west of Mount Vernon, 

 Grant Count}', Oregon. Collected ])y Maj. Charles E. Bendire (U. S. 

 Nat. ]\Ius., No. 246()). 



QUERCUS FURCINERVIS AMERICANA Kuowltou. 



QcERCus FURCiNKHVis AMERICANA Knowltoii, Cat. CVet. and Tert. PI. N. A., p. 192, 



1898. 

 QuercuH furcinerins (Rossm.) Xing. Lesquereux, Proc. U. S. Nat. Mus., Vol. XI, 



p. 22, 1888. 



This is not the European form, and is best indicated })y the ^•arietal 

 name given abo\'e. This determination is leased solely on a part 

 of the middle portion of a single leaf, which is verv similar indeed 

 to Castanea pulehella Knowlton" from Lower Miocene Ix'ds in the 

 Yellowstone National Park. 



Locality. — Cherry Creek, Crook County, Oregon. Collected Ijy 

 Maj. Charles E. Bendire (U. S. Nat. Mus., No. 2554). 



QUERCUS^ sp, 

 PL VIIT, fig. 4. 



Leaf very thick, narrowly o))ovate, o])tusely wedge-shaped at base 

 (apex d(\stroyed); margin entire l)elow, pro])a})ly toothed al)Ove; 

 midrib very thick, especially below, secondaries also strong, or 7 

 pairs, alternate at an angle of about 45^, a pair near the middle of the 

 blade largest, with strong outside branches, pro})ably ending in lobes 

 or teeth; nervilles veiT strong and deeply impressed, both broken and 

 percurront; liner venation producing large areas. 



<' Moil r. S (icol Survey, Vol. XXXII, I't. II, p. 702, PI. LXXXVIl, fig. 1. 



