Box 1-17

Scope and Contents From the Series: Photographic negatives are organized in 6 independent sequences (3a to 3f), based on size and media. Three material sizes are (3a, 3b) 6.25 x 8.25; (3c, 3d) 4 x 6; and (3e, 3f) 3 x 5. Each size is organized in two sequences, glass or acetate. Negatives are numbered by year and/or hybridization number and are cross-referenced with corresponding positives. Most material documents species and hybrid studies (indoor and outdoor), life cycle studies, staged displays, garden views,...