Wild Flowers of the United States, 6 volumes in 14 parts with slipcases + Index volume, complete

Pp. 4203, 1305 full pages of color plates.  Publisher’s original decorated cloth, lettered in gilt on the spine, in slipcases, lg 4to (13 x 10 inches).  The set includes - Volume 1 (2 parts): The Northeastern States; Volume 2 (2 parts): The Southeastern States; Volume 3 (2 parts): Texas; Volume 4 (3 parts): The Southwestern States; Volume 5 (2 parts): The Northwestern States; and Volume 6 (3 parts): The Central Mountains and Plains.  The index volume, published in 1975 is also included here.  Small signature of previous owner, Helen Smith, is on the front attached endpaper of a few volumes, no other ownership marks, and no signs of use.  All parts are the original first printing.  This is a large and heavy set, it can be shipped by media mail in the USA for $75 in three boxes.  No overseas postage is available.