Fertilisation. 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. 



Filamcntose 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 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 XH. 

 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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