Physiology - Soils PM Negatives 001-004

Title

Physiology - Soils PM Negatives 001-004

Creator

Krauss, Beatrice H.

Date

1940

Format

Page

Description

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

#2, 90/u below #1; #3, 75/u below #2; and #4, 30/u below #3.

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