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. 



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. 

 Halberd-shaped. Ivike an arrow-head, but with the basal lobes 



pointing outward nearly at right angles. Page xn. 

 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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