Physiology-Soils PM Negative 129

Title

Physiology-Soils PM Negative 129

Creator

Krauss, Beatrice H.

Date

1945

Format

Page

Description

[missing image].

Longitudinal section of stem just below apex to show sieve sieve plate in sieve tube of phloem in vascular bundle.

Photographed by B. Krauss, March 29, 1945.