Handbook of Treks of tiiio Northern States and Canada. 143 



The Pin Oak occasionally attains the height 

 of 70 or 80 ft. with trunk 2 or 3 ft. in diame- 

 ter vested in a close snioothish bark. \\ lien 

 growing in the open it develops an ohhjng or 

 narrow rounded top of many upright and 

 spreading branches, the lowermost reaching 

 downwards nearly to the ground. It is one of 

 our most distinct and beautiful Oaks, witli its 

 clear-cut, handsome leavesand smooth columnar 

 trunks, and well worthy of more extensive 

 planting for ornamental purposes. It natii 

 rally grows in deep rich soil of bottom-lands 

 and the borders of ponds and swamps in com- 

 pany with the Sour Gum, Sweet Gum. Ked 

 Maple, Swamp Poplar, Water Beech. Horn- 

 beam, etc., but thrives well when transplanted 

 to dryer situations. 



The wood of the Pin Oak is used for in- 

 terior finishing, shingles, clap-boards, etc., and 

 in cooperage. A cu. ft. when absolutely dry 

 weighs 43.24 Ibs.i 



Leaves obovate and broad oblong in outline, 4-6 

 in. long, pinnatified with broad rounded sinuses 

 and 5-7 spreading lobes wide near apex and usually 

 each 2-.S-toothed and bristle-tipped, at maturity 

 lustrous dark green above, paler and with tufts of 

 pale hairs in axils beneath ; petioles slender. 

 Flowers: staminate aments slender, pubescent, 2-.'> 

 in. long ; calyx lobes denticulate : pistillate with 

 tomentose podunclos and slondor spreading bright 

 red stigmas. Fruit: acorns maturing second year, 

 subglobose or nearly hemispherical, about Vy in. 

 in diameter, with light brown shell, tomentose in- 

 side and with thin saucer-shaped or slightly tur- 

 binate cup with thin closely appressed puberulous 

 scales. 



1. .\. \V., IV. 9-1. 





