194 Eleventh Annual Repoet 



Noble (Van Gorder); Parke (Hobbs); Posey (Schneck); Putnam 

 (Wilson); Steuben (Bradner); Vigo (Blatchley); Wabash (Benedict 

 and Elrod); Wayne (Petry and Markle). 



Additional records are: Montgomery (Evans); Putnam (Grimes) 

 and (MacDougal); Tippecanoe (Coulter); Jennings, Steuben and 

 Wells (Deam). 



Economic uses. Wood heavy, hard, strong, close-grained, light 

 reddish-brown and sap wood thin. Used principally for building 

 material, finishing lumber, car and wagon stock and heading. 



Horticultural value. The red oak is one of the most desirable 

 of our oaks for shade and ornamental purposes. It is adapted to 

 a moist, rich soil, grows rapidly, branches large and ascending, 

 has a clean appearance and is generally free from injurious pests. 



10. Quercus palustris Du Roi. Pin Oak. Swamp Oak. 

 Water Oak. Plate 53. Bark on mature trunks close with broken, 

 shallow fissures, bark on small trees and branches smooth, from a 

 gray to a dark brown in color; shoots at first hairy and reddish, 

 becoming smooth and a dark reddish brown by the end of the season; 

 winter buds ovate, taper-pointed at the apex, about 3 mm. Cj/g 

 inch) long, scales blunt, light brown, nearly smooth, margins much 

 broken and often ciliate; leaves ovate, oval to obovate in outhne, 

 6-15 cm. (23/^-6 inches) long, acute at the apex, truncate or wedge- 

 shaped at the base, deeply divided into 5-7 lobes, sinuses wide and 

 rounded at the base, the lobes varying from triangular to obovate 

 in outline and sometimes falcate, hairy and reddish when they first 

 appear, becoming thin, smooth, shiny and dark green above, paler 

 and smooth beneath except for the tufts of brownish hairs in the 

 axils of the principal veins; petioles 2-5 cm. {%-2 inches) long; 

 acorns sessile or nearly so, sohtary or in clusters; nut subglobose 

 or ovoid, about 12 mm. (3/2 inch) long and about as wide, the ovate 

 type about half as large and sharp-pointed at the apex, hairy, en- 

 closed about 3^ its length in the saucer-shaped cup; cup usually 

 nearly flat on the bottom, sometimes slightly taper-pointed at the 

 base, the ovate type of fruit always with the tapering base, with 

 a few hairs on the inside; scales blunt, reddish-brown and hairy 

 except on the darker colored margins. 



In all our area but one specimen has been noted that has the 

 small ovate and sharp-pointed acorns. It was located in Wells 

 County and has been destroyed. Dr. Geo. Engelmann says this 

 form is found in the vicinity of St. Louis. 



Distribution. Massachusetts and Michigan, south to Tennessee 

 and west to Missouri. Found throughout Indiana. Infrequent in 



