Dried specimens taped to pieces of paper, with manuscript captions (not in Bateson's hand) that include dates gathered (1896-1899); 6pp manuscript accompanying notes (not in Bateson's hand).

Correspondence re experiments on flax. Bateson's principal correspondent is F.K. Jackson, Director of the Flax Experiment Station, University of Leeds.

2pp manuscript notes, so titled, in an unidentified hand.

23pp typescript draft with minor corrections.

Corrected proof of paper; corrected proof of abstract.

The first edition of this work, by Darlington and J. Ammal, appeared in 1945 under the title 'Chromosome Atlas of Cultivated Plants', London (Allen & Unwin) 1945. This 1955 edition has expanded the scope to include all the flowering plants. Typescript draft with manuscript revisions and inserts (and manuscript Preface) in Darlington's hand.

Contents of an envelope so inscribed. Correspondence to Bateson from R.P. Gregory and C.C. Hurst.

Correspondence to Bateson, with related notes on carnation pedigrees.

Letter to Darlington enclosing a 4pp draft (in Buxton's hand) titled '(Notes? on) the Behaviour of a new species - Digitalis mertonensis'.