250 



Glossary 



Entire leaves. Leaves having margins without teeth, notches or lobes. 

 Epiphyte. A plant which lodges on another but derives none of its 

 sustenance from it. An air-plant. Ex. Lichens and Spanish Moss. 

 Evergreen. Bearing green leaves at all seasons of the year. 

 Exotic. Introduced from abroad. 



Exserted. Projecting beyond the surrounding organs, as the stamens 

 from a corolla. 



Feather-veined. With veins extending from the sides of the midrib to 



the margins, feather-wise. 

 Fertile stamen. One which produces pollen. 

 Filiform. Threadlike. Long and slender. 



Filament. The stalk of a stamen which bears the anther. See page 258. 

 Foliaceous. Leaf like in texture or appearance. 



Fruit. The seed bearing part of the plant of any form. The part of 

 the plant which bears the seed. 



Genus. A group of species which are more like each other than like 

 any other group. 



Glabrous. Smooth. Not rough or hairy. Devoid of hairs. 



Glandular hairs. Tiny hairs terminating in glands. 



Glaucous. With a bloom. A bluish or whitish waxy layer. 



Glands. A secreting cell or cellular structure. A word loosely used. 

 Gray's definition — Small cellular organs which secrete oily or 

 aromatic or other products. They are sometimes sunk in the 

 leaves or rind, as in the Orange or Prickly Ash, sometimes on the 

 surface of small projections; sometimes raised on hairs or bristles 

 as in the Sweetbriar or Sundew. The name is also given to any 

 small swellings whether they secrete anything or not. 



Globose. Ball-like or nearly so. 



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

 Habitat. The characteristic environment of any species of plant. The 



place where a plant naturally grows, as in water, marshes, in clay 



soil, etc. 



Head. A dense more or less rounded cluster of short-stalked or sessile 



flowers. See page 257. 

 Heart-shaped. Ovate with two rounded lobes at base. See page 256. 

 Herb. A non-woody plant which dies down to the ground each year. 

 Hood. A concave form of petal or sepal resembling a monk's hood. 

 Hypanthium. An enlargement or development of the receptacle under 



the calyx shown in flowers like the evening primroses. 

 Incised. Deeply and sharply cut or notched, often Irregularly. 

 Indehiscent. Not opening spontaneously. Remaining persistently 



closed. 



