Fig. 289. Humulus lupulus.
a. Male flower.
b. Female do.
c. Sepal or bracteole.
d. Bract.
e. Embryo.
f. Lupulinic gland.
This image is from The Common Hops in Pereira's Elements of Materia Medica and Therapeutics, 1854.
Practical Herb Cards 2
Distance course
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