Fertilization, The mingling of the contents of a male (pollen) 
and female (ovule) cell. 
Filament. The part of a stamen which bears the anther. Page 
XIII. 
Filamentose or Filamentous. Composed of threads or filaments. 
Flaky. With loose scales easily rubbed off (bark). 
Fleshy. ‘Succulent; juicy. 
Flower. An axis bearing stamens or pistils or both (calyx and 
corolla usually accompany these). 
Fluted. With rounded ridges. 
Fruit. The part of a plant which bears the seed. 
Germinate. To sprout, as of a seed. 
Gibbous. Swollen on one side. 
Glabrous. Neither rough, pubescent, nor hairy; smooth. 
Gland, Secreting surface or structure; a protuberance having 
the appearance of such an organ. 
Glandular. Bearing glands. 
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. 
Halbred-shaped. Like an arrow-head, but with the basal lobes 
pointing outward nearly at right angles. Page x11. 
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. 
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