Glaux maritima, Black Saltwort.
Glechoma Hederacea, Ground Ivy.
Glossitis, Inflammation of the Tongue.
Glycyrhiza glabra, Common Liquorice.
Gnaphalium Arenarium, Sandy Cudweed; G. Dioicum, Mountain Cudweed; G. Germanicum, Common Cudweed.
Gossypium, Cotton-tree.
Gryllus, Cricket; G. domesticus, Common Cricket; G.Gryllo-talpa, Mole-cricket; G. Locusta, Locust.
Hæmatoxylum Campechianum, Logwood.
Hedera Helix, Common Ivy.
Hedysarum Onobrychis, Common Saintfoin.
Helianthus annuus, Common Sun-flower; H. tuberosus, Tuberous Sun-flower.
Heliotropium tricoccum, French Turnsol.
Helix hortensis, Common Garden Snail; H. pomatia, Red Garden Snail.
Helleborus, Hellebore; H. fœtidus, Fetid Hellebore.
Hepatitis, Inflammation of the Liver.
Heracleum angustifolium, Narrow-leaved Cow-parsnep; H. Sphondylium, Common Cow-parsnep.
Herbarium, Herbal.
Herniaria glabra, Smooth Rupture-wort.
Herpes miliaris, Ring-worm.
Hesperis inodora, Dame-wort.
Hieracium auricola, Narrow-leaved Hawkweed; H. Pilosella, Mouse-ear Hawkweed.
Hippobosca equina, Common Horse-fly; H. ovina, Sheep-fagg.
Hippophae rhamnoides, Sea Buck-thorn.
Hippuris vulgaris, Common Mare's-Tail.
Hirudo Geometra, Geometrical Leech; H. medicinalis, Medicinal Leech; H. sanguifuga, Horse-Leech.
Hirundo rustica, Common Swallow; H. urbica, Martin.
Holcus, Soft-grass; H. avenaceus, Tall Oat-grass; H. lanatus, Meadow Soft-grass; H. Sorghum, Guinea Corn.
Hordeum cœleste, Wallachian Barley; H. distichum, Summer Barley; H. distichum nudum, Large Naked Barley; H. frutescens, Bushy Barley; H. hexastichon, Six-rowed Barley; H. maritimum, Sea-barley; H. murinum, Wall Barley; H. pratense, Meadow Barley; H. vulgare, Common Barley; H. Zeocriton, Bearded Barley.
Humulus Lupulus, Common Hop.
Hyacinthus non-scriptus, English Hyacinth.
Hydragyrus, Mercury.
Hydrocephalus, Water in the Head.
Hydrocotyle vulgaris, Marsh Pennywort.
Hyoscyamus niger, Common Hen-bane.
Hypericum perforatum, Perforated St. John's Wort; H. Androsæmum, Tutsan.
Hypochondriasis, Hypochondriac Affection.
Hyssopus officinalis, Common Hyssop.
Hystrix erinaceus, CommonHedge-hog.
Jasione montana, Sheep's-bit.
Jasminum humile, Dwarf Yellow Jasmine; J. fruticans, Shrubby Jasmine; J. officinale, Common Jasmine.
Jatropha, Cassada Plant; J. elas-
