GLANDULAR (glandula, Lat. a gland), covered with hairs possessed of glands.

GLANDULAR (glandula, Lat. a gland), applied to tissue with concave depressions on the walls of the vessels of which it is composed (13, 14).

GLANS (Lat. oak-mast), an indehiscent fruit seated in a cupule (226).

GLAUCOUS, GLAUCESCENT (glaucus, Lat. sea-green), covered with a bloom of a bluish-green tinge. GLEBULE (Lat. little clods), crumb-like masses. GLOBOSE (globosus, Lat.), nearly spherical.

GLOBULUS (globulus, Lat. a globule), the round deciduous shield of some lichens.

GLOCHIDIATE (glochis, Gr. a point), barbed like a fish-hook (48).

GLOMERATE (glomero, Lat. I heap up), collected into a close head.

GLOMERULI (glomero, Lat. I heap up), powdery masses on the surface of some lichens. GLOMERULOSE, minutely clustered.

GLOMERULUS (glomero, Lat. I heap up), a form of inflorescence in which the florets are arranged about a globose head or receptacle (146).

GLOMULIFEROUS, bearing clusters of minutely branched coral-like excrescences.

GLUME (gluma, Lat. chaff), exterior scales of the flower of grasses (137).

GLYPHOLECINE (from the genus Glyphis), impressed or channelled in an elongated and labyrinthine

manner.

GNAUR, an excrescence or wart on the stem of a tree. GNOMONICAL (gnomonicus, Lat. belonging to a dial), when a stalk is bent at right angles.

GONIDIA (gone, Gr. generation; eidos, resemblance), secondary reproductive green granules in the thallus of lichens immediately beneath the surface. GONOPHORUM (gonos, Gr. generation; phero, I bear), an elongated receptacle, elevating the stamens and carpels.

GRAFT, to propagate by inserting the branch of one plant into the stem of another.

GRANULA-GONIMA (Lat.), clusters of two or more spherical cells filled with green granular matter seated beneath the cortical layer in lichens.

GRANULAR, GRANULOSE (granum, Lat. a grain of corn), divided into little knots. Containing granules.

GRANULATED, roughish on the surface.

GRANULES (granum, Lat. a grain of corn), grains. Small bodies.

GREGARIOUS (Lat.), growing in company.

GROSSIFICATION (grossificatio, Lat.), the swelling of the ovary after impregnation.

GRUMOUS (grumus, Lat. a hillock), divided into little clustered grains. Clotted.

GUTTULATE (guttula, Lat. a little drop), composed of small, round, dot-like vesicles.

GYALECTIFORM, GYALECTOID, GYALECTINE (from the genus Gualecta), applied to waxy urceolate apothecia. (Lichens.)

GYMNAXONY (gumnos, Gr. naked; axon, an axletree), a state in which the placenta protrudes through the ovary and alters its position (298).

GYMNOCARPOUS (gumnos, Gr. naked; karpos, fruit), applied to the apothecia of lichens, when the thalamium a is not inclosed by the exciple b (274). GYMNOSPERMS (gumnos, Gr. naked; sperma, a seed), ovules developed without the usual integuments. GYMNOTREMOID, a naked open spot or space. GYNANDROUS (gunē, Gr. a female; aner, a man), having stamens and pistil united into one body. GYNANTHEROUS (gunē, Gr. a female; antheros, belonging to a flower), having the stamens converted into pistils.

GYNOBASE (gune, Gr. a female; basis, a base), a conical prolongation of the thalamus at the base of which the carpels are attached (246).

GYNECIUM (gunē, Gr. a female; oikos, a house), the pistil and its appendages.

GYNOPHORE (gunē, Gr. a female; phero, I bear), a pedicellary support to the ovary (225).

GYNOSTEMIUM (gunē, Gr. female; stemon, stamen), the united stamens and pistil of orchids (188). GYRATE (gyrus, Lat. a circle), turning in a circular

manner.

GYROMA (gyrus, Lat. a circle), the annulus around the sporecase of ferns (287 2).

GYROSE (gyrus, Lat. a circle), folded and waved; marked with wavy lines (192).

H.

HABIT (habitus, Lat.), the general appearance of a plant,

HABITAT (habitatio, Lat. a habitation), the situation of a plant in its wild state.

HAIRS, delicate conical expansions of the epidermis (42).

HAIR-SHAPED. (See FILIFORM.)

HALBERT-SHAPED. (See HASTATE.)

HAMULOSE (hamus, Lat. a hook), covered with little hooks.

HAMULUS (hamus, Lat. a hook), a kind of hooked bristle.

HASTATE (hastatus, Lat. bearing spears), halbertshaped, applied to leaves (95).

HAUSTORIUM (haustor, Lat. a drawer), the root-like sucker of ivy, &c.

HEART-SHAPED. (See CORDATE.)

HEART-WOOD (see DURAMEN), the central wood of Exogens.

HELICOID (elix, Gr. a coil; eidos, resemblance), twisted like a snail shell (235).

HEMIANATROPAL (ēmisus, Gr. half; trepo, I turn), half anatropal (applied to ovules), (210).

HEMITROPAL (ēmisus, Gr. half; trepo, I turn), a modified anatropal ovule.

HEPTANDROUS (epta, Gr. seven; anēr, man), when a flower has seven stamens.

HERBACEOUS (herbaceus, Lat. belonging to herbs), green; producing an annual stem from a perennial

root.

HERBARIUM (herba, Lat. a plant), a collection of dried plants.

HERMAPHRODITE (hermaphroditus, Lat. male and

+

female), flowers with both stamens and pistil (♂). HESPERIDIUM (fruit of the Hesperides), fruits of the orange kind.

HETEROCEPHALUS (eteros, Gr. another; kephalos, a head), bearing, separately, heads of male and female flowers.

HETERODROMOUS (eteros, Gr. another; dromos, course), following a different direction, as of leaves on the stem and branches.

HETEROGAMOUS (eteros, Gr. another; gamos, wedding), when the florets of the ray are neuter or female, and those of the disk male (Composita).

HETEROGAMY, in Teratology, used to describe the state in which the sexual organs are arranged in some unusual manner.

HETEROGENEOUS (gennaio, Gr. I produce), possessed of several natures; not having a uniform substance. HETEROMORPHY (eteros, Gr. another; morphe, form), deformity in plants.

HETEROPHYLLY (eteros, Gr. another; phullon, leaf), variation of leaves in external form.

HETERORHIZAL (eteros, Gr. diverse; rhiza, root), rooting from no fixed point (applied to the roots of Acrogens).

E