59 



northeastern Kansas; south to the District of Columbia and (in the Allegheny 

 Mountains) to northern Georgia and Alabama, to middle Tennessee and northern 



Arkansas. 



Names in use.— Shingle Oak (Del., N. C, S. 0., Ky., Mo., Ind., 111., 

 Kan., Iowa, Nebr.) ; Lanrel Oak (Pa., Del., S. C, Ky., 111., Nebr.); Jack 

 Oak (111.); Water Oak (N.C.). 



Quercus imbricaria x palustris Engelm 



Range. — Missouri (8 miles west of St. Louis; but tree since destroyed). 



Quercus tridentata (de 0.) Engelm. Trident Oak. 



RANGE. — Missouri (near St. Louis — but tree now destroyed — and near Allentown) 

 and Michigan (Washtenaw County). 



Quercus leana Nutt. Lea Oak. 



Range. — Ohio (near Cincinnati) ; District of Columbia and western North Carolina 

 to southern Michigan, central and northern Illinois, and southeastern Missouri. 

 Range imperfectly known. 



Quercus phellos Linn. Willow Oak. 



Range. — From New York (Tottenville, Staten Island) to northeastern Florida — 

 usually in the low maritime plain, and through the Gulf region to Texas (Sabine 

 River), and through Arkansas to southeastern Missouri, central Tennessee, and 

 southern Kentucky. 



Names in use.— Willow Oak (E. I., N. Y., Pa., Del., Ala., K 0., S. 0., 

 Fla., Miss., La,, Tex., Ark., Mo.); Peach Oak (N. J., Del., Ohio); Water 

 Oak (S. 0.); Swamp Willow Oak (Tex.): 



Quercus phellos x digitata Small. 



Range.— North Carolina (Stanley County). 



Quercus phellos x pumila Sud worth. 

 Range. — New Jersey (Mays Landing). 



Quercus heterophylla Michx. f. Bartram Oak. 



Range. — Pennsylvania (near Philadelphia — but tree long since destroyed; ; New- 

 Jersey (near Camden) ; Delaware (Wilmington) ; New York (Staten Island) ; Virginia 

 (near Alexandria) ; District of Columbia; western North Carolina ; Tennessee (Coffee 

 County): Alabama (near Falkville) ; Texas (Houston). 



Names in use. — Bertram's Oak (Del., Ala.); Burriers Oak (lit.). 

 Quercus subimbricaria (de C.) Sudworth. 

 Quercus phellos x tinctoria Gray. 

 Quercus phellos x nigra Britt. 



Range. — Xew Jersey (between Keyport and South Amboy); New York (Staten 

 Island) ; North Carolina (Yadkin River) ; South Carolina (near Aiken). 



Quercus densiflora Hook. & Arn. (California) Tanbark Oak. 



Range. — Southern Oregon (Umpqua River) and southward through California 

 (coast ranges to Santa Inez Mountains — east of Santa Barbara, and western slopes 

 of the Sierra Nevada to Mariposa County). 



Names in use.— Tanbark Oak (Oal.); Chestnut Oak (Cal.); Cali- 

 fornia Chestnut Oak (Oreg.); Peach Oak (Oreg.); Live Oak (Oreg.). 



Quercus densiflora echinoides (R. Br. Campst.) Sargent. 



Range. — Southern Oregon (Canyon Creek) and northern California (Mount Shasta 

 and Sierra Nevada). 



