This is a stunning vintage book written in GERMAN entitled: Illustrierte Flora von Mittle~Europa (Mit besonderer Berucksichtigung von Deutschland, Oesterreich und der Schweiz).
Author Dr. Phil. Gustav Hegi, IV. Band, 3 Teil.
Book is from the mid 1900's ('60's approx.), is hardcover, has a paper dust jacket, has 1748 pages, numerous black/white line drawings and many color plates, and is in very good--near mint condition!
This is book IV of a series.
Let me know if you have any questions!