Accession No

4949

Brief Description

botanical wallchart, depicting line graph of relative stomatal aperture against time of day, English, late 19th to mid-20th Century

Origin

England; Cambridge

Maker

Class

natural history; prints

Earliest Date

1850

Latest Date

1967

Inscription Date

Material

cloth; paper

Dimensions

height 535mm; breadth 1005mm

Special Collection

Botanical teaching diagrams from Dept. of Plant Sciences

Provenance

Transferred from the Department of Plant Sciences, University of Cambridge.

Inscription

‘POTATO’ (bottom centre)
‘LUNDEGÅRDH’ (bottom right)

Description Notes

Hand drawn line graph in black crayon and marker pen, with stencilled text.
Compares relative stomatal aperture from 6am till 6pm for the upper, middle and lower leaf.
Presumably based on experiments by Lundegårdh.
Ref number bottom left.

References

Events