Wildflowers of the United States, The Northeastern States: Volume 1, Parts 1 and 2 (2 Volume Set)
Mcgraw-Hill Book Co., 1966. Hardcover. 230 and 231-559 pages. Profusely illustrated from color photographs. Second printing. Very good hardcover two volume set; no dust jackets. In a very good slipcase cracked at the corners.