_Herborization_, 184. _Hermaphrodite_ (flower), having stamens and pistils in the same blossom, 81. _Hesperidium_, orange-fruit, a hard-rinded berry. _Hetero-_, in Greek compounds, means of two or more sorts, as _Heterocarpous_, bearing fruit of two kinds or shapes. _Heterogamous_, bearing two or more sorts of flowers in one cluster. _Heterogony_, _Heterogone_, or _Heterogonous_, with stamens and pistil reciprocally of two sorts, 116. _Heterostyled_ is same. _Heteromorphous_, of two or more shapes. _Heterophyllous_, with two sorts of leaves. _Heterotropous_ (ovule), the same as _amphitropous_, 123. _Hexa-_ (in Greek compounds), six; as _Hexagonal_, six-angled. _Hexagynous_, with six pistils or styles. _Hexamerous_, its parts in sixes. _Hexandrous_, with six stamens. _Hexapterous_, six-winged. _Hibernaculum_, a winter bud. _Hiemal_, relating to winter. _Hilar_, belonging to the hilum. _Hilum_, the scar of the seed; its place of attachment, 110, 126. _Hippocrepiform_, horseshoe-shaped. _Hirsute_, clothed with stiffish or beard-like hairs. _Hirtellous_, minutely hirsute. _Hispid_, bristly, beset with stiff hairs. _Hispidulous_, diminutive of hispid. _Histology_, 9. _Hoary_, grayish-white; see _canescent_, &c. _Holosericeous_, all over sericeous or silky. _Homo-_, in Greek compounds, all alike or of one sort. _Homodromous_, running in one direction. _Homogamous_, a head or cluster with flowers all of one kind. _Homogeneous_, uniform in nature; all of one kind. _Homogone_, or _Homogonous_, counterpart of _Heterogone_ or _Homostyled_. _Homologous_, of same type; thus petals and sepals are the homologues of leaves. _Homomallous_ (leaves, &c.), originating all round an axis, but all bent or curved to one side. _Homorphous_, all of one shape. _Homotropous_ (embryo), curved with the seed; curved only one way. _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. _Hyemal_, see _hiemal_. _Hymenium_ of a Mushroom, 172. _Hypanthium_, a hollow flower-receptacle, such as that of Rose. _Hypo-_, Greek prefix for under, or underneath. _Hypocotyle_, or _Hypocotyl_, part of stem below the cotyledons, 11. _Hypocrateriform_, properly _Hypocraterimorphous_, salver-shaped. _Hypogæan_, or _Hypogæous_, produced under ground, 19. _Hypogynous_, inserted under the pistil, 95, 99. _Hysteranthous_, with the blossoms developed earlier than the leaves. _Icosandrous_, having 20 (or 12 or more) stamens inserted on the calyx. _Imberbis_, Latin for beardless.