ickly-ash; sometimes on the surface as small projections; sometimes on
the ends of hairs. The word is also used to indicate small swellings,
whether there is a secretion or not.

_Glandular._ Having glands. _Glandular-hairy._ With glandular-tipped
hairs, 23.

_Glaucous._ Covered with a fine white powder that rubs off, 23.

_Globose._ Spherical in form. _Globular._ Nearly globose.

_Glutinous._ Covered with a sticky gum.

_Hairy._ Having rather long hairs, 23.

_Halberd-shaped_, 21.

_Head._ A compact, rounded cluster of flowers or fruit, 26.

_Heart-shaped._ Ovate, with a notched base; cordate, 21.

_Heart-wood_, 13, 35.

_Herbaceous._ Without woody substance in the stem; like an herb; soft
and leaf-like.

_Hybrid._ An intermediate form of plant between two nearly related
species; formed by the action of the pollen of one upon the pistil of
the other.

_Imbricated._ Overlapping one another like the shingles on a roof, 28.

_Incised._ Irregularly and deeply cut, as the edge of a leaf.

_Incurved._ Gradually curving inward.

_Indefinite annual growth_, 30.

_Indehiscent._ Not splitting open.

_Inflexed._ Bent inward, 33.

_Involucre._ A whorl or set of bracts around a flower, a cluster of
flowers, or fruit, 27.

_Involute._ Rolled inward from the edges, 34.

_Irregular._ Said of a flower which has its corolla of different sized,
shaped, or colored pieces, 25.

_Kernel._ The substance contained within the shell of a nut or the stone
of a fruit.

_Key._ A fruit furnished with a wing, or leaf-like expansion, 28.

_Kidney-shaped._ Broadly heart-shaped, with the apex and basal notch
somewhat rounded.

_Lacerated._ With a margin irregularly notched or apparently torn.

_Laciniate._ Cut into narrow lobes; slashed.

_Lance-shaped._ _Lanceolate._ Like a lance-head in shape, 21.

_Leaf_, 17; arrangement of leaves, 18; bases of, 21; forms of, 20; kinds
of, 19; margins of, 22; parts of, 19; points of, 22; veining, 19.

_Leaflet._ A separate blade of a compound leaf, 20.

_Leafstalk._ The stem of a leaf; petiole, 19.

_Legume._ A pea-like pod, 28.

_Lensform._ _Lenticular._ Thickest in the center, with the edges
somewhat sharp; like a double-convex lens.

_Linear._ Long and narrow, with the edges about parallel, 20.

_Lobe._ The separate, projecting parts of an irregularly edged leaf if
few in number, 22.

_Lobed._ Having lobes along the margin, 22.

_Margin of leaves_, 22.

_M