Fig. 2. Virgin white pine grove, Gogebic County. Trunks up to four feet in diameter. Little undergrowth. August 17, 1920.
FOOTNOTES:
[1] H. T. Darlington, Mich. Acad. Sci., 22nd Ann. Rept., 1921.
[2] 1914. N. A. Wood, Occ. Pap. Mus. Zool., No. 6.
[3] N. A. Wood, op. cit.
Transcriber's Notes