BOTANICAL TERMS. 133 



GLANDULAR. Covered with hairs bearing glands upon their 

 tips. PI. II. 11. g. 



GLANDS. Wart-like swellings : glands are very various in form. 



GLAUCOUS. Covered with a fine bloom ; like the Plum, Car- 

 nation-leaves, &c. : a very blue- green. 



GLOBOSE. Forming nearly a true sphere or globe. 



GLOSOLOGY. That part of Botany which teaches the tech- 

 nical terms. 



GLUME, or GLUMA. The exterior series of scales which form 

 the Flower of a Grass or Grain. 



HABITAT. The situation in which a plant grows, in its 

 wild state. 



HASTATE. Halbert-headed. Enlarged at the base into two 

 diverging lobes. 



HERBACEOUS. Plants, which die down to the ground, in 

 winter. Not woody. 



HILUM. The scar produced on a Seed, by its separation from 

 the Placenta. 



HIRSUTA. Hairy. 



HISPID. Covered with long, stiff hairs. 



IMBRICATUS. Petals, which overlap each other, like tiles. 



INCISO. Having deep cut edges. 



INCUMBENT. Said of an embryo, when its radicle is folded 

 down upon the back of the Cotyledons. 



INDEHISCENT. Not splitting open when ripe, (a seed-ves- 

 sel, &c.) 



INFERIOR. Growing below some other organ. An inferior 

 Calyx, grows below the Ovary. 



INVOLUCRE. A ring, or whorl of Bracts, surrounding one or 

 several Flowers. 



INVOLUTE. When edges are rolled inwards, on each side. 



KEEL. With a sharp, projecting ridge ; as the keel of a boat. 

 Glumes of Grasses, &c. 



