GLOSSARY OF SPECIAL TERMS. 



566 



Fugitive. Plants not native, but oc- 

 curring here and there, without 

 direct evidence of becoming estab- 

 lished. 

 Funiculus. The stalk of an ovule or 



seed. 

 Fuscous. Dusky, grayish brown. 

 Fusiform. Spindle-shaped. 

 Galea. A hood-like part of a perianth 



or corolla. 

 Galeate. With a galea. 

 Gametangium. A gamete-bearing or- 

 gan. 

 Gamete. A unisexual protoplasmic 



body, commonly microscopic. 

 Gameiophyte. The sexual generation 



of plants. 

 Gamopetalous. "With petals more or 



less united. 

 Gemma. A bud-like propagative or- 

 gan. 

 Gibbous. Enlarged or swollen on one 



side. 

 Glabrate. Nearly without hairs. 

 Glabrous. Devoid of hairs. 

 Gladiate. Like a sword-blade. 

 Gland. A secreting cell, or group of 



cells. 

 Glandular. With glands, or gland- 

 like. 

 Glaucous. Covered with a fine bluish 



or white bloom; bluish-hoary. 

 Globose. Spherical or nearly so. 

 Glomerate. In a compact cluster. 

 Glomerule. A dense capitate cyme. 

 Glumaceous. Resembling glumes. 

 Glume. The scaly bracts of the spike- 

 lets of grasses and sedges. 

 Granulose. Composed of grains. 

 Gregarious. Growing in groups or 



colonies. 

 Gynobase. A prolongation or enlarge- 

 ment of the receptacle supporting 

 the ovary. 

 Habit. General aspect. 

 Habitat. A plant 's natural place of 



growth. 

 Hastate. Halberd-shaped; like sagit- 

 tate; but with the basal lobes di- 

 verging. 

 Haustoria. The specialized roots of 



parasites. 

 Head. A dense round cluster of ses- 

 sile or nearly sessile flowers. 

 Herbaceous. Leaf-like in texture and 

 color, pertaining to an herb. 



Heterocyst. An enlarged, commonly 

 inert, often yellowish cell, in cer- 

 tain filamentous Algae. 

 Hilum. The scar or area of attach- 

 ment of a seed or ovule. 

 Hirsute. With rather coarse stiff 



hairs. 

 Hispid. With bristly stiff hairs. 

 Hispiduloiis. Diminutive of hispid. 

 Hyaline. Thin and translucent. 

 Hypocotyl. The rudimentary stem of 



the embryo; also terme«l radicle. 

 Hypogynium. Organ supporting the 



ovary in some seilges. 

 Hypogynous. Borne at the base of 



the ovary, or below. 

 Imbricated. Overlapping. 

 Imperfect. Elowers with either sta- 

 mens or pistils, not with both. 

 Incised. Cut into sharp lobes. 

 Included. Not projecting beyond sur- 

 rounding parts. 

 Incumbent. With the back against 



the hypocotyl. 

 Indehiscent. Not opening. 

 Indusium. The membrane covering a 



sorus. 

 Inequilateral. Unequal-sided. 

 Inferior. Relating 4o an organ which 

 arises or is situated below another. 

 Inflexed. Abruptly bent inward. 

 Inflorescence. The flowering part of 

 plants; its mode of arrangement. 

 Integument. A coat or protecting 



layer. 

 Internode. Portion of a stem or 

 branch between two successive 

 nodes. 

 Introrse. Facing inward. 

 Involucel. A secondary involucre. 

 Involucrate. With an involucre, or 



like one. 

 Involucre. A whorl of bracts sub- 

 tending a flower or flower-clu«ter. 

 Involute. Rolled inwardly. 

 Irregular. A flower in which one or 

 more of the organs of the same 

 series are unlike the others. 

 Isidiose. Lichenological term for wart- 

 like excrescences. 

 Labiate. Provided with a lip-like or- 

 gan; belonging to the family La- 

 biatac. 

 Laciniate. Cut into narrow lobes or 



segments. 

 Lacunose. Showing perforations or 

 depressions. 



