, 119

Field madder, 159

Field pepper-grass, 136

Figwort family, 156

Fire-weed, 165

Five finger, 139

Flat-stemmed Poa, 116

Flax dodder, 150

Fleabane, 165, 166

Floral glume

FLO'RET, a single flower of a head or cluster, especially in
Compositae.

Forked catchfly, 130

Foxtail, green, yellow, 117

Garlic, field, wild, 119

Gaura, 147

Geraniaceae, 142

Geranium family, 142

GLUME, one of the outer floral envelopes in grasses or sedges.
The term as now used includes the bracts (empty glumes) which
subtend a spikelet and the lower of the two bracts subtending
the individual flower (flowering or floral glume, lemma).

Gnaphalium, 166

Golden pepper-grass, 136

Goosefoot, 125

Goosefoot family, 124

GRAIN, the caryopsis or fruit of Gramineae; any small seed.

Grass, crab, 114

Grass family, weeds in, 110

Grass, old witch, 115

Grass, porcupine, 117

Grass, stink, 115

Green foxtail, 117

Great bindweed, 150

Great burdock, 162

Great ragweed, 161

Grindelia, 166

Gronovius' dodder, 151

Ground honeysuckle, 139

Gum plant, 166

Hare's ear, 135

HAS'TATE, like the head of a halberd--applied to leaves which
have a spreading lobe on each side of the base.

Hawksbeard, 165

Heal-all, 155

Hedge bindweed, 150

Hedge mustard, 137

Helianthus, 167

Hibiscus, 146

Hieracium, 167

Hillman, F. H., graduate of the College in 1888; expert
draftsman of the seed Division of Washington, D. C, 103

Hilum, 134

HI'LUM, the scar or point of attachment of a seed.

Hoarhound, 154

Hoary alyssum, 133

Hoary cress, 136

Honeysuckle, ground, 139

Hordeum, 115

Horse nettle, 155

Horse-weed, 165

Hound's tongue, 152

Hypericaceae, 147

Hypericum, 147

Illecebraceae, 128

IN-CUM'BENT, leaning or lying upon; applied to cotyledons when
the caulicle is folded against the track of one of them, shown
as [Symbol: || o].

Indian mallow, 145

Indian mustard, 133

Indigenous, 139

IN-DIG'E-NOUS, native and original to the region.

Inula, 167

Iva, 167

IN'VO-LU-CRE, a set of bracts immediately subtending a flower or
inflorescence.

Jerusalem oak, 125

Jimson weed, 155

Juncaceae, 118

June grass, 116

KEEL, the joined pair of petals in a