784 GLOSSARY 



Foliaceous. Resembling a leaf. 



Foliate. Having separate leaves. 



Foliose. Bearing numerous leaves, leaflets or leaf-like appendages. 



Follicle. A dry, dehiscent fruit consisting of one or more separate carpels, 



as star-anise (p. 419). 

 Free. Separate from other organs. 



Frond. Applied to fern leaves and sometimes to other leaf-like expan- 

 sions. 



Frutescent. Having the appearance or the habit of a shrub. 

 Fugacious. See ephemeral ; both words being used interchangeably. 

 Fugitive. Introduced plants which are neither native nor naturalized but 



occur sporadically. 



Funiculus (Funicle). The stalk of an ovule (p. 379). 

 Fusiform. Spindle-shaped; applied to roots shaped like the radish, which 



taper at both ends, but also applied to fleshy roots like the carrot 



which taper more gradually in the lower portion. 

 Galeate. Helmet-shaped. Used in the same sense as cucullate, the word 



galeate, however, being more commonly employed. 

 Gamete. A conjugating cell which unites with another cell to form a 



sexual spore (p. 5). 



Gametoyphyte. The sexual generation in the Archegoniates (p. 75). 

 Gamopetalous. A corolla in which the petals are more or less united 



(p. 385). 

 Gamosepalous. A calyx in which there is a coalescence or union of its 



divisions or sepals (p. 385). 

 Gemma. A bud-like propagative organ. Applied to the soredia of Lichens 



(p. 73). 

 Gibbous. Having a rounded protuberance at the side or base ; applied to 



the ovary. 

 Gills. The narrow, radiating plates on the underside of the pileus of 



mushrooms (p. 59). 

 Glabrate (Glabrous). A surface that is smooth and practically free of 



hairs or pubescence. Usually applied to the stem and its accompany- 

 ing leaves. 

 Gland. A secreting cell. Usually applied to tissues that secret mucilage, 



volatile oils, balsams and resins. 

 Glandular. Having the function or character of a gland, as glandular 



hairs; also applied to a glandular cell or a glandular surface (pp. 626 



and 354). 

 Glaucous. Bluish-hoary, the appearance produced by a whitish-coat of 



wax on the surface of stems, leaves and fruits. 

 Glomerule. An inflorescence condensed into the form of a head, as in 



the dog-wood. 

 Glucoside. A chemical substance which on decomposition always yields 



glucose or an analagous compound. 

 Glurne. The lowest floral leaves of a spikelet of the grasses and sedges 



(p. 426). 



Gonidium. The algal portion of a lichen (p. 71). 

 Gymnospermous. Having naked seeds, or seeds not enclosed in a capsule 



(p. HI). 



Gynandrous. Having the stamens adnate to the pi-stil, as in the milkweeds. 

 Gynobase. An enlargement of the receptacle of a flower supporting the 



ovary. 



Habit. The general appearance and manner of growth of a plant. 

 Habitat. The area or region where a plant grows. A plant may be in- 

 digenous, naturalized, localized or even in cultivation. 



