Physiology-Soils PM Negatives 063-065

Title

Physiology-Soils PM Negatives 063-065

Creator

Krauss, Beatrice H.

Date

1941

Format

Page

Description

Negatives 63-65 all of same subject but exposure times and filters used varied.

Longitudinal section of spical growing region of stem of 4-months-old plant.

Photographed by B. Krauss, May 2, 1941.