Front matter
Reading edition
Bulletin No. 21, Division of Botany.
Plate I.
Fig. 1.—Vanilla in flower—some of the flowers already grown into small pods.
Fig. 2.—Vanilla in fair crop, on bars and posts under shade.
Bulletin No. 21.
S. P. I., No. 2.
U. S. DEPARTMENT OF AGRICULTURE,
DIVISION OF BOTANY.