Contributions from the Botanical Laboratory of the University of Pennsylvania.

5, 1919-1920

Bulletin of the New York Botanical Garden.

v.11 (1921)

Bulletin of miscellaneous information / Trinidad. Botanical Department.

6, 1904-1905

The native flowers and ferns of the United States in their botanical, horticultural and popular aspects / by Thomas Meehan ; illustrated by chromolithographs.

2

Botanical gazette.

v.68 (1919)

Botanical abstracts.

5-6. 1920-1921

Botanical abstracts.

9-10, 1918-1922

Botanical gazette.

v.67 (1919)

Botanical abstracts.

7-8, 1921

Botanical gazette.

v.7-8 (1882-1883)

Botanical gazette.

v.1-4 (1875-1879)

Botanical abstracts.

3-4, 1920