GLOSSARY 



657 



Fruit, (of angiosperms) the mature 

 ovary and any associated parts. 



Funiculus, the stalk of an ovule or seed. 



Fusiform, spindle-shaped, tapering at 

 both ends. 



Gamete, a reproductive cell which by 

 union with another gamete produces 

 a zygote. Cf. Microgamete, Megagam- 

 ete. 



Gamopetalous, having more or less un- 

 diverged or "united" petals. 



Gamosepalous, having more or less un- 

 diverged or "united" sepals. 



Glabrous, smooth, without hairs or 

 pubescence. 



Gland, a secreting structure or surface. 



Glaucous, covered with a bloom. 



Glume, a chaffy bract occurring at the 

 base of the spikelet in grasses. 



Grain, see Caryopsis. 



Ground tissue, applied to the funda- 

 mental parenchyma — pith, medul- 

 lary rays, and cortex. 



Gynoecium, the pistil or pistils of the 

 flower, the carpels considered collec- 

 tively. (Also gynaeceum.^ 



Habit, the general appearance of a 

 plant. 



Head, an inflorescence of sessile or sub- 

 sessile flowers on a very short axis or 

 receptacle. 



Hemitropous, (of ovules) applied when 

 the ovule is inverted with a straight 

 nucellus and the micropyle and 

 chalaza are at right angles to the 

 funiculus. 



Hesperidium, a berry of the type found 

 in citrus fruits. 



Hilum, the scar or point of attachment 

 of the seed. 



HisTOGEN, regions or layers of meri- 

 stematic tissue from which primary 

 tissues are derived. Cf. Dertnatogen, 

 Periblem, etc. 



Hyaline, translucent or transparent. 



Hydathode, a pore or organ concerned 

 with the exudation of water. 



Hypocotyl, the portion of the seedling 

 axis below the cotyledonary node. 



Hypodermis, applied to the cells imme- 

 diately under the epidermis which 

 may be supportive or protective in 

 function. 



Hypogeal, (of cotyledons) remaining 

 underground. 



Hypogynous, (of flowers) with the 

 sepals, petals, and stamens free from 

 and divergent below the ovary. 



Hypophysis, the cell or cells resulting 

 from the transverse division of the 

 cell next adjoining the suspensor 

 cell, and giving rise to the tip of 

 the root. 



Imbricate, overlapping vertically or 

 spirally. 



Inclusions, (of cell) applied to bodies 

 occurring in the cytoplasm; non- 

 protoplasmic substances in the form 

 of granules, droplets, crystals, etc. 



Indehiscent, (of fruits) remaining 

 closed at maturity. 



Inferior, (of ovary) applied when 

 there is conjoint growth of ovary 

 wall and other floral parts, i.e., in 

 epigynous flowers. 



Inflorescence, the arrangement of the 

 flowers of a plant; more specifically, 

 the flower cluster itself. 



Initial or initials, a cell or group of 

 cells from which a structure is de- 

 veloped or derived. 



Integument, (of ovule) a covering 

 layer, later becoming a part of the 

 seed coat. 



Intercalary, (of meristem) applied to 

 ifleristematic zones that are not 

 apical, basal, or lateral, i.e., the 

 intercalary meristem at the base of 

 an internode in many grasses. 



Internode, the portion of the stem 

 between two nodes. 



