Accession No

4944

Brief Description

botanical wallchart showing leaf growth in Nicotiana tabacum L, after Avery, English, c. 1933-1967

Origin

England; Cambridge

Maker

Class

natural history; prints

Earliest Date

1933

Latest Date

1967

Inscription Date

Material

cloth; paper

Dimensions

1380mm tall; 1600mm wide

Special Collection

Botanical teaching diagrams from Dept. of Plant Sciences

Provenance

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

Inscription

‘NICOTIANA TABACUM L. after Avery 1933’ (top)
‘k is index of growth of segments in relation to average growth of whole leaf.’ (top)
‘Awaiting approval from Prof. Godwin.’ (handwritten, pencil, on reverse)

Description Notes

Botanical wallchart showing leaf growth in Nicotiana tabacum L, after Avery, English, c. 1933-1967.

Two black ink line drawings of leaves, both with horizontal and vertical lines marked on. Left leaf is speckled. There is a tiny third leaf, with dots but no boxes, in the bottom left.
Between the main two leaves at top: ‘average ‘k’ for marginal segments=1.19’
Between the two man diagrams at bottom: ‘average ‘k’ for mid-leaf segments=.96’
Fair condition

References

Events