472 GLOSSARY OF 



Glandular pubescence. Hairs tipped with little heads or glands. 



Glaucous. Sea green. Pale bluish green. 



Glume. The scales, valves, or chaff, which make the calyx and corolla 



of the grasses. Ex. the Oat. 

 Glutinous. Adhesive, viscid, covered with an adhesive fluid. Ex. .jal- 



via glutinosa. 



Gramina. Grasses, and grass-like plants. Ex. Wheat. 

 Gramineous. Resembling grasses. 

 Granular. Formed of grains ; or covered with grains. 

 Gymnospermous. Having naked seeds. Ex. Mint 

 Gynandrous. Having the stamens growing on the pistils. Ex. Ladies' 



slipper. 

 Gyrose. Turning round like a crook. 



Habit. The general external appearance of a plant, by which it is known 



at sight. 



Halberd-shaped. See Hastate. 

 Hastate. Shaped like a halberd. It differs from arrow-shaped in having 



the barbs or lateral portions more distinct and divergent. Ex. Pre- 



nanthes alba. 

 Head. A dense, round collection of flowers, which are nearly sessile. 



Ex. Clover. 



Helmet-. The concave upper lip of a labiate flower. 

 Jleptandrous. Having seven stamens. Ex. Trientalis. 

 Herb. All that portion of a plant which is not included in the root, or 



fructification ; as the stem, leaves, &c. 

 Herbaceous. Not woody. Ex. Indian Corn, Cabbage. 

 Hexandrous. With six stamens. Ex. Lily, Tulip. 

 Hilum. The scar or mark on a seed, where it was attached to the plant, 



or seed vessel. 



Hirsute. Rough with hairs. Ex. Agrimonia eupatoria. 

 Hispid. Bristly. More than hirsute. Ex. Justicia ciliaris. 

 Hooded. See Cucullate. 

 Horn. See Spur. 

 Hyaline. Crystalline ; transparent. 

 Hybrid. A mongrel or intermediate species between two others, from 



which it is descended. 

 Hypocrateriform. Salver-shaped. With a tube abruptly expanded into 



a flat border. 

 Hypo gy nous. Situated below the germen. 



Icosandrous. Having about twenty stamens growing on the calyx and 

 not on the receptacle. Belonging to the class Icosandria. 



Imbricate. Lying over each other like scales, or the shingles of a roof. 



Included. Wholly received or contained in a cavity. The opposite of 

 exserled. 



Incrassated. Thickened upward. Larger toward the end. 



Incumbent. Lying against, or across. 



Indigenous. Native. Growing originally in a country. , 



Indusium. Plural, Indusia. The involucre or veil which covers the fruit 

 of Ferns. 



Indehiscent. Not gaping, or opening by valves. 



Inferior. Lowermost. Used to express the relative situation of the ca- 

 lyx and germ. An inferior flower is one in which the calyx and 

 corolla are below the ovarium. Ex. Rhexia Virginica. 



Itijlated. Tumid uiiJ hollow. Blown up like a bladder. 



