GLOSSARY OF BOTANICAL TERMS. 



413 



Gamopetalous.— Having the petals more 

 or less united. 



Gamophyllous. —Having the leaves (either 

 sepals or petals) of the floral whorls more 

 or less united. 



Gamosepalous.— Having the sepals more 

 or less united. 



Gemma. — A kind of bud, which becomes 

 separated from the parent plant and gives 

 rise to a new plant. 



Gemmation. — The process of budding or of 

 giving rise to gemmae. 



Geniculate. — Kneed; abruptly bent, as a 

 geniculate root. 



Geotropism.— That property of a stem or 

 other organ which causes it to grow toward 

 the earth's centre. 



Germinal Vesicle. — The imperfectly 

 formed germ cell in the embryo-sac pre- 

 vious to fertilization. 



Germination. — The sprouting of a seed or 

 reproductive spore. 



GlBBors. — With a swelling on one side. 



Glabrous. — Smooth; destitute of hairs or 

 protuberances. Applied to leaf or other 

 plant surfaces. 



Glandular. — Bearing glands. 



Glass. — A nut. The name applied to 

 fruits like the filbert, acorn, chestnut, 

 etc. 



Glaucous. — Covered with a bloom, as the 

 leaves of the Cabbage, etc. 



Globoids. — Globular or amorphous par- 

 ticles of the double phosphate of calcium 

 and magnesium often found associated 

 with crystalloids in protein granules. 



Glomerule, or Glomerulus. — A compact 

 cluster of sessile flowers on the determi- 

 nate plan. 



Glucosides.— Vegetable principles which 

 are readily decomposable by the action 

 of ferments or dilute acids into glucose 

 and another substance capable of still 

 further decomposition. 



Glumaceous. — Possessing chaff-like bracts 

 or glumes. 



Glume. — A chaffy bract, such as those found 

 in the inflorescence of the grasses. 



Gluten. — A form of proteid matter found 

 in Wheat and some other cereals. 



Glutinous. — Covered with a sticky exuda- 

 tion. 



Gonidia. — Used sometimes in the same 

 sense as conidia. In Lichenes, the 

 gonidia are the algal constituents of the 

 thallus. 



Gonidiophore. — The single hyphae or 

 aggregate of hyphal filaments which bear 

 gonidia or conidia. (See Conidiophore). 



Granulose. — The principal constituent of 

 starch grains, the other being starch- 

 cellulose. 



Gymnocarpous. — Naked-fruited ; applied 

 to those fruits of Fungi which have the 

 hymenium naked or exposed. 



Gynophore. — A stalk supporting the female 

 organ. 



Gymnospermous. — Naked-seeded. Ap- 

 plied to those plants whose ovules are 

 unenclosed, as the Pines, Cycads, etc. 



Gyn^cium. — The name applied to the pis- 

 tils of a flower taken as a whole. 



Gynandrous. — Having the stamens and 

 pistils more or less united. 



Gynostemium. — The column formed by the 

 adhesion of the stamens to the pistils. 

 See Column. 



Habitat. — The geographical range or 

 habitation. 



Hematoxylin. — The coloring principle of 

 logwood. 



TIALF-SUPERIOR. — Applied to the 

 ovary when the calyx adheres to the 

 lower portion, while the upper portion is 

 free. 



Haplopetalous. — Possessing a single 

 whorl of petals. 



Haplostemenous. — Possessing a single 

 whorl of stamens. 



Hastate. — Shaped like a halberd. 



Haustorium. — A sucker-like process that 

 serves for attachment and for sucking up 

 nourishment. 



Head. — The same as Capitulutn. A com- 

 pact cluster of sessile or nearly sessile 

 flowers arranged on the indeterminate 

 plan. 



Helicoid. — Shaped like a helix or snail- 

 shell. Applied to certain flower-clusters, 

 etc. 



Heliotropism.— That property of a plant 

 or plant organ by virtue of which it bends 

 away from the sunlight. 



Heptamerous. — Consisting of seven parts 

 or members; constructed on the numerical 

 plan of seven. 



Heptandrous. — Possessing seven stamens. 



Herbaceous. — Applied to stems or other 

 organs that have a tender, juicy consist- 

 ence and perish at the close of the growing 

 season. 



