274 GLOSSARY 



Filament. The stalk supporting an 



anther; p. 11. 

 Flaccid. Weak; not rigid. 

 Free. Not attached to other organs. 

 Frond. The "leaf" of a fern. 

 Fruit. The seed-bearing part of a 



plant; p. 12. 



Genus (pi. Genera). See p. 13. 



Glabrous. Smooth; not hairy. 



Gland. A protuberance, usually a 

 secreting structure. 



Glandular. Bearing glands or ex- 

 uding a sticky liquid. 



Globose. Somewhat spherical. 



Gymnosperm. A plant bearing naked 

 seeds. 



Habit. The general appearance of a 

 plant; mode of growth. 



Head. A dense rounded cluster, p. 13. 



Heart-shaped. Ovate with 2 rounded 

 lobes at base. 



Herb. A plant with no persistent 

 woody stem above ground. 



Herbaceous. Like an herb. 



Herbage. Stems and leaves of the 

 season. 



Hirsute. With coarse or stiff hairs. 



Hypogynous. Attached to the recep- 

 tacle below the ovary and free 

 from it and from the calyx; hav- 

 ing the stamens and petals so 

 attached. 



Imbricate. Overlapping, like the 

 shingles of a roof. 



Incised. Sharply and irregularly cut. 



Included. Not at all protruded. 



Indusium. The proper covering of 

 the fruit-dot in Ferns; p. 25. 



Inferior. Lower. An inferior ovary 

 is attached to the calyx; p. 12. 



Inflated. Distended; bladdery. 



Inflorescence. The arrangement of 

 the flowers in a cluster; p. 13. 



Inserted. Attached to. 



Introduced. Brought by man from 

 another place. 



Involucre. A circle or collection of 

 bracts surrounding a flower-clus- 

 ter or a single flower. (In Com- 

 positae, see p. 239.) 



Irregular. The parts not of the same 

 size or shape, as a corolla with 

 some petals or lobes larger than 

 the others. 



Keel. A central ridge along the 

 back. (In Leguminosae, see p. 

 135.) 



Lanceolate. Broadest above the base 

 and narrowed to the apex; p. 9. 



Leaflet. A single part of a com- 

 pound leaf. 



Linear. Long and narrow, with par- 

 allel margins; p. 9. 



Lip. One of the two divisions of a 

 2-lipped corolla or calyx. 



Lobe. Any segment of an organ, es- 

 pecially if rounded. 



Lobed. Divided into lobes. 



Lunate. Shape of a half-moon or 

 crescent. 



Membranous. Thin and somewhat 



papery. 

 Monocotyledons. Plants with only 1 



cotyledon in each seed. 



Naked. Without covering or appen- 

 dages; without bracts or leaves. 



Nerve. A simple vein or slender rib. 



Node. The place on a stem where a 

 leaf is normally borne. 



Nut. A hard 1-seeded fruit which 

 does not open at maturity. 



Nutlet. A small nut. 



Oblanceolate. Inverted lanceolate. 

 Oblong. Longer than broad and 



with nearly parallel sides; p. 9. 

 Obovate. Inverted ovate. 

 Obtuse. Blunt or rounded at the 



end; p. 9. 

 Opposite leaves. Two from each 



node, attached to opposite sides 



of a stem but at the same level; 



p. 8. A stamen is opposite a 



petal when set before it. 

 Orbicular. Circular. 

 Ovary. The part of the pistil that 



contains the ovules; p. 12. 

 Ovate. With outline like that of an 



egg; p. 9. 

 Ovule. The body in the ovary which 



becomes a seed. 



Palmate (leaf). With the divisions 



pointing to the petiole. Palm- 



ately compound, with the leaflets 



all borne on the summit of the 



petiole; p. 8. 

 Panicle. A loose irregular cluster of 



flowers; p. 13. 

 Pappus. The modified calyx-limb in 



Compositae; p. 240. 

 Parasitic. Deriving nourishment from 



another plant. 

 Parted. Cleft to below the middle. 

 Pedicel. The stalk of a single flower 



in a cluster. 

 Peduncle. The stalk of a solitary 



flower or of a flower-cluster. 

 Pendulous. More or less hanging. 

 Perennial. Lasting year after year. 

 Perfect (flower). With both pistil 



and stamens. 



