VOL. I. 



GLOSSARY OF SPECIAL TERMS. 



xix 



Funiculus. The stalk of an ovule or seed. 



Fusiform. Spindle-shaped. 



Galea. A hood-like part of a perianth or corolla. 



Galeate. With a galea. 



Gametophyte. The sexual generation of plants. 



Gamopetalous. With petals more or less united. 



Gemma. A bud-like propagative organ. 



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 spikelets of 



grasses and sedges. 

 Granulose. Composed of grains. 

 Gregarious. Growing in groups or colonies. 

 Gynaecandrous. In Carex, a spike with upper 



flowers pistillate and lower staminate. 

 Gynobase. A prolongation or enlargement of 



the receptacle, supporting the ovary. 

 Habit. General aspect. 



Habitat. A plant's natural place of growth. 

 Hastate. Halberd-shaped ; like sagittate, but 



with the basal lobes diverging. 

 Haustoria. The specialized roots of parasites. 

 Head. A dense round cluster of sessile or 



nearly sessile flowers. 

 Herbaceous. Leaf-like in texture and color ; 



pertaining to an herb. 

 Hilum. The scar or area of attachment of a 



seed or ovule. 



Hirsute. With rather coarse stiff hairs. 

 Hispid. With bristly stiff hairs. 

 Hispidulous. Diminutive of hispid. 

 Hyaline. Thin and translucent. 

 Hypocotyl. The rudimentary stem of the em- 

 bryo ; also termed radicle. 

 Hypogynium. Organ supporting the ovary in 



some sedges. 

 Hypogynous. Borne at the base of the ovary, or 



below. 

 Hyponym. A generic or specific name untypi- 



fied. 



Imbricated. Overlapping. 



Imperfect. Flowers with either stamens or pis- 

 tils, not with both. 

 Incised. Cut into sharp lobes. 

 Included. Not projecting beyond surrounding 



parts. 

 Incumbent. With the back against the hypo- 



cotyl. 



Indehiscent. Not opening. 

 Indusium. The membrane covering a sorus. 

 Inequilateral. Unequal sided. 

 Inferior. Relating to 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 be- 

 tween two sviccessive nodes. 

 Introrse. Facing inward. 

 Involucel. A secondary involucre. 

 Invollucellate. With a secondary involucre. 

 Involucrate. With an involucre, or like one. 

 Involucre. A whorl of bracts subtending a 



flower or flower-cluster. 

 Involute. Rolled inwardly. 

 Irregular. A flower in which one or more of 



the organs of the same series are unlike. 

 Labiate. Provided with a lip-like organ. 

 Laciniate. Cut into narrow lobes or segments. 

 Lanceolate. Considerably longer than broad, 



tapering upward from the middle or below ; 

 lance-shaped. 



Latex. The milky sap of certain plants. 



Leaflet. One of the divisions of a compound leaf. 



Legume. A simple dry fruit dehiscent along 

 both sutures. 



Lenticular. Lens-shaped. 



Ligulate. Provided with or resembling a ligule. 



Ligule. A strap-shaped organ, as the rays in 

 Compositae. 



Limb. The expanded part of a petal, sepal, or 

 gamopetalous corolla. 



Linear. Elongated and narrow with sides nearly 

 parallel. 



Lineolate. With fine or obscure lines. 



Lobed. Divided to about the middle. 



Lament. A jointed legume, usually constricted 

 between the seeds. 



Loculicidal. Applied to capsules which split 

 longitudinally into their cavities. 



Lodicules. Minute hyaline scales subtending the 

 flower in grasses. 



Lunate. Crescent-shaped. 



Lyrate. Pinnatifid, with the terminal lobe or 

 segment considerably larger than the others. 



Macrosporange. Sporange containing macro- 

 spores. 



Macrospore. The larger of two kinds of spores 

 borne by a plant, usually giving rise to a 

 female prothallium. 



Marcescent. Withering but remaining attached. 



Medullary. Pertaining to the pith or medulla. 



Mericarp. One of the carpels of the Carrot 

 Family. 



Mesocarp. The middle layer of a pericarp. 



Micropyle. Orifice of the ovule, and correspond- 

 ing point on the seed. 



Microsporange. Sporange containing micro- 

 spores. 



Microspore. The smaller of two kinds of spore 

 borne by a plant, usually giving rise to a male 

 prothallium ; pollen-grain. 



Midvein {Midrib). The central vein or rib of a 

 leaf or other organ. 



Monadelphous. Stamens united by their fila- 

 ments. 



Moniliform. Like a string of beads. 



Monoecious. Bearing stamens and pistils on 

 the same plant, but in different flowers. 



Monstrous. Unusual or deformed. 



Mucronate. With a short sharp abrupt tip. 



Mucronulate. Diminutive of mucronate. 



Muricate. Roughened with short hard processes. 



Muticous. Pointless, or blunt. 



Naked. Lacking organs or parts which are nor- 

 mally present in related species or genera. 



Naturalized. Plants not indigenous to the re- 

 gion, but so well established as to have become 

 part of the flora. 



Nectary. A sugar-secreting organ. 



Node. The junction of two internodes of a 

 stem or branch, often hard or swollen, at 

 which a leaf or leaves are usually borne. 



Nodose. Similar to nodes or joints ; knotty. 



Nodulose. Diminutive of nodose. 



Nut. An indehiscent one-seeded fruit with a 

 hard or bony pericarp. 



Nutlet. Diminutive of nut. 



Obcordate. Inversely heart-shaped. 



Oblanceolate. Inverse of lanceolate. 



Oblong. Longer than broad with the sides 

 nearly parallel, or somewhat curving. 



Obovate. Inversely ovate. 



Obovoid. Inversely ovoid. 



Obsolete. Not evident ; gone, rudimentary, or 

 vestigial. 



Obtuse. Blunt, or rounded. 



Ochreae. The sheathing united stipules of Poly- 

 gonaceae. 



Ochreolae. The ochreae subtending flowers in 

 the Polygonaceae. 



Ochroleucous. Yellowish white. 



