Physiology-Soils PM Negatives 049-052

Title

Physiology-Soils PM Negatives 049-052

Creator

Krauss, Beatrice H.

Date

1940

Format

Page

Description

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

#49, 30/ᵘ below #48; #50, 30/ᵘ below 49; #51, 30/ᵘ below # 50; and #52, 60/ᵘ below #51.

Photographed by B. Krauss, July 8, 1940.