The Bulletin of the North Carolina Department of Agriculture.

32

The Bulletin of the North Carolina Department of Agriculture.

38

Bulletin / U.S. Department of Agriculture, Bureau of Plant Industry.

no.91-101 (1906-1907)

Botanical characters of the leaves of the date palm used in distinguishing cultivated varieties /

no.223 (1915)

Letters and papers on agriculture and planting, etc.

4

Letters and papers on agriculture and planting, etc.

2

Letters and papers on agriculture and planting, etc.

5

Letters and papers on agriculture and planting, etc.

1

Letters and papers on agriculture and planting, etc.

6

Annals of the Royal Botanic Gardens, Peradeniya.

7, 1919-1922

Annals of the Royal Botanic Gardens, Peradeniya.

3, 1906

National list of scientific plant names.

2

National list of scientific plant names.

1