Part 70

Glaucous. Covered or whitened with a bloom.

Globose. Spherical or nearly so.

Globular. Nearly globose.

Gregarious. Growing in groups or colonies.

Habit. The general appearance of a plant, best seen from a distance.

Habitat. The place where a plant naturally grows, as in water, clay soil, marsh, etc.

Hairy. With long hairs.

Halberd-shaped. Like an arrow-head, but with the basal lobes pointing outward nearly at right angles. Page XII.

Heartwood. The dead central portion of the trunk or large branch of a tree.

Hirsute. Covered with rather coarse or stiff hairs.

Hoary. Gray-white with a fine, close pubescence.

Homogeneous. Uniform; composed of similar parts or elements.

Hybrid. A cross between two nearly related species, formed by the action of the pollen of one upon the pistil of the other, yielding an intermediate form.

Imbricate. Overlapping, like the shingles on a roof.

Indehiscent. Not opening by valves or slits; remaining persistently closed.

Indigenous. Native and original to a region.

Inflorescence. The flowering part of a plant, and especially its arrangement.

Internode. The portion of a stem between two nodes.

Involucral. Pertaining to an involucre.

Involucre. A circle of bracts surrounding a flower or cluster of flowers.

Keeled. With a central ridge like the keel of a boat.

Laciniate. Cut into narrow, pointed lobes.

Lanceolate. Lance-shaped, broadest above the base and tapering to the apex, but several times longer than wide. Page xii.

Lateral. Situated on the side of a branch.

Leaf. The green expansions borne by the branches of a tree, consisting of a blade with or without a petiole.

Leaflet. One of the small blades of a compound leaf.

Leaf-scar. The scar left on a twig by the falling of a leaf. Page XVI.

Legume. A pod-like fruit composed of a solitary carpel and usually splitting open by both sutures (Leguminosae).