Aconite

Aconitum napellus

between 1935 and 1942

American Spikenard

Aralia racemosa

between 1935 and 1942

Anise

Pimpinella anisum

between 1935 and 1942

May Apple

Podophyllum peltatum

between 1935 and 1942

Autumn Crocus

Colchicum autumnale

between 1935 and 1942

Autumn Crocus

Colchicum autumnale

between 1935 and 1942

Bearberry

Arctostaphylos uva-ursi

between 1935 and 1942

Belladonna

Atropa Belladonna

between 1935 and 1942

Blood Root

Sanguinaria canadensis

1935-1942

Boneset

Eupatorium perfoliatum

between 1935 and 1942

Skunk Cabbage

Symplocarpus foetidus

between 1935 and 1942

Castor Bean

Ricinus communis

between 1935 and 1942

Black Cohosh

Cimicifuga racemosa

between 1935 and 1942

Coltsfoot

Tussilago farfara L.

between 1935 and 1942

Coltsfoot

Tussilago farfara

between 1935 and 1942

Comfrey

Symphytum

between 1935 and 1942

Purple Coneflower

Echinacea angustifolia

between 1935 and 1942

Coriander

between 1935 and 1942

Coriander

Coriandrum sativum

between 1935 and 1942

Corn

Zea Mays

between 1935 and 1942

Cotton

Gossypium

between 1935 and 1942

Culvers Physic

Veronicastrum virginicu...

between 1935 and 1942

Elecampane

Inula helenium

between 1935 and 1942

Flax

Linum usitatissimum

between 1935 and 1942

Grecian foxglove

Digitalis lanata

between 1935 and 1942

Garlic

Allium sativum

between 1935 and 1942

Wild Geranium

Geranium maculatum

between 1935 and 1942

German Chamomile

Matricaria chamomilla

between 1935 and 1942

Ginseng

Panax quinquefolium

between 1935 and 1942

Quack Grass

Agropyron repens

between 1935 and 1942

American Hemp

Cannabis sativa

between 1935 and 1942

Henbane

Hyoscyamus niger

between 1935 and 1942

Horehound

Marrubium vulgare

between 1935 and 1942

Ida H. Pemberton / The ...

between 1935 and 1942

Ida H. Pemberton / The ...

between 1935 and 1942

Ida H. Pemberton / The ...

between 1935 and 1942

Florentine Iris

Iris florentina

between 1935 and 1942

Jack in the Pulpit

Arisaema triphyllum

between 1935 and 1942

Lady's Slipper

Cypripedium pubescens

between 1935 and 1942

Larkspur

Delphinium ajacis

between 1935 and 1942

Lemon

Citrus medica var. Limo...

between 1935 and 1942

Lily of the Valley

Convallaria majalis

between 1935 and 1942

Peppermint / Spearmint

Mentha piperita / Menth...

between 1935 and 1942

Black Mustard / White M...

Brassica nigra / Sinapi...

between 1935 and 1942

Sweet Orange

Citrus aurantium

between 1935 and 1942

Pasque Flower

Pulsatilla hirsutissima

between 1935 and 1942

Peppermint

Mentha piperita

between 1935 and 1942

Poison Hemlock

Conium maculatum

between 1935 and 1942

Pokeroot

Phytolacca americana

between 1935 and 1942

Polygala Senega

Seneca snakeroot

between 1935 and 1942