Physiology-Soils PM Negatives 021-023

Title

Physiology-Soils PM Negatives 021-023

Creator

Krauss, Beatrice H.

Date

c. 1940

Format

Page

Description

Transverse sections of stem of 8-months-old seedling, at different levels.

#21, 45/ᵘ below #20; #22, 120/ᵘ below #21; and #23, 75/ᵘ below #22.

Photographed by B. Krauss, July 5 and 6, 1940