Hood, same as helmet or galea. Hooded, hood-shaped; see [cucullate].
Hooked, same as hamate.
Horn, a spur or some similar appendage. Horny, of the texture of horn.
Hortensis, pertaining to the garden.
Hortus Siccus, an herbarium, or collection of dried plants, [186].
Humifuse, Humistrate, spread over the surface of the ground.
Humilis, low in stature.
Hyaline, transparent, or partly so.
Hybrid, a cross-breed between two allied species, [176].
Hydrophytes, water-plants.