186 
IOWA ACADEMY OF SCIENCES. 
Reppert, and Miller, Proc. Davenport Acad, of Nat. Sci- 
ences, Yol. 8, p. 256; Sargent, Forest Trees of N. A., p. 141. 
Quercus acuminata (Mx.) Sarg. Chestnut or Yellow Oak. 
A tree attaining large size; bark gray, flaky; leaves lance- 
olate or oblong, acute or acuminate, equally and coarsely 
toothed, slender-petioled, base obtuse or rounded, pale 
beneath; acorn globose; cup hemispheric, thin, shallow, 
subsessile; scales ovate, appressed. Quercus jorinus acumin- 
ata Mx., Hist. Chenes Am. No. 5, PL 8, 1801; Quercus muht- 
enbergii Engelm., Trans. St. Louis Acad., VoL 3, p. 391, 
1877; Quercus acuminata Sarg., Gar. and For., Yol. 8, p. 93, 
1895. 
This species is frequent in eastern and southern Iowa, 
preferring rocky bluffs and bottoms. The wood is hard, 
dense, close-grained, durable, and of much strength. The 
specific gravity is the greatest of our species. This species 
gives valuable timber, and has been much used until the 
major portion of the large trees are all gone. Near Keo- 
sauqua are quite a number of large trees still growing, and 
Professor Pammel reports that fine, large trees are com- 
mon in the valleys of Boone county. Our specimens are 
from Johnson, Des Moines, Yan Buren, Henry, Appanoose, 
Decatur, Ringgold, and Fremont counties. We have 
observed the species in Union, Adams, and Montgomery 
counties. The State University herbarium has specimens 
from Jackson, Delaware, and Lee counties. Professor Mac- 
bride reports the species from Allamakee county; Profes- 
sor Fink, from Fayette county; Messrs. Nagel and Haupt, 
from Scott county; Mr. Reppert, from Muscatine county; 
and Professor Pammel, from Boone and Clayton counties. 
Arthur, Contr. to the Flora of Iowa, p. 29; Hitchcock, 
Trans. St. Louis Acad, of Science, Yol. 5, p. 518; Nagel and 
Haupt, Proc. Davenport Acad, of Nat. Sciences, Yol. 1, 
p. 163; Pammel, Proc. Iowa Acad, of Sciences, Yol. 1, pt. 
2, 1890-1891, p. 91; Iowa Geol. Sur., Yol. 5, p. 238; Fink, 
Proc. Iowa Acad, of Sciences, Yol. 4, p. 101; Fitzpatrick, 
Proc. Iowa Acad, of Sciences, Yol. 5, p. 163; Yol. 6, 
p. 196; Iowa Geol. Sur., Yol. 8, p. 314; Cameron, Iowa 
Geol. Sur., Yol. 8, p. 198; Reppert, Iowa Geol. Sur., Yol. 9, 
