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GLOSSARY OF TECHNICAL TERMS 



Corymbose. Said of flowers arranged in a corymb. 



Costate. Having ribs. 



Cotyledons. The leaves of the embryo. 



Crenate. Scalloped. 



Crenulate. The diminutive of crenate. 



Crispate. Curled. 



Crustaceans. Of hard brittle texture. 



Cucullate. Hooded or hood-shaped. 



Cuneate. Wedge-shaped, or triangular with an 



acute angle downward. 

 Cyme. A flower-cluster, the flower opening from 



the centre outward. 

 Cymose. Bearing cymes or relating to a cyme. 



Deciduous. Falling, said of leaves falling in the 



autumn, or of parts of a flower falling after an- 



thesis. 



Decimate. Bent or curved downward. 

 Decompound. Several times compound or divided. 

 Decurrent. Running down, as of the blades of 



leaves extending down their petioles. 

 Decussate. In pairs alternately crossing at right 



angles. 

 Dehiscent. The opening of an anther or capsule 



by slits or valves. 



Deltoid. Having the shape of the Greek letter A. 

 Dentate. Toothed. 

 Denticulate. Minutely toothed. 

 Dextrorse. Turned or directed to the right. 

 Diadelphous Said of stamens combined by their 



filaments into 2 sets. 

 Dichotomous. Forked in pairs. 

 Digitate. Said of a compound leaf in which the 



leaflets are borne at the apex of the petiole. 

 Dimorphous. Said of flowers of two forms on the 



same plant, or on plants of the same species. 

 Dioecious. Unisexual, with the flowers of the 2 



sexes borne by distinct individuals. 

 Disciferous. Bearing a disk. 

 Disciform. Depressed and circular like a disk, 

 Discoid. Appertaining to a disk. 

 Disk. The development of the torus or receptacle 



of a flower within the calyx or within the corolla 



and stamens. 



Dissepiment. A partition in an ovary or pericarp. 

 Distichous. Said of leaves arranged alternately in 



two vertical ranks upon opposite sides of an axil. 

 Dorsal. Relating to the back. 

 Dorsal suture. The line of opening of a carpel cor- 

 responding to its midrib. 



Drupaceous. Resembling or relating to a drupe, 

 Drupe. A stone fruit. 

 Duct. An elongated cell or tubular vessel found 



especially in the woody parts of plants. 



Eglandular. Without glands. 



Ellipsoidal. Of the shape of an elliptical solid. 



Elliptic. Of the form of an ellipse. 



Emarginate. Notched at the apex. 



Embryo. The rudimentary plant formed in the 

 seed. 



Endocarp. The inner layer of a pericarp. 



Endogenous. Descriptive of Endogens, mono- 

 cotyledonous plants with stems increasing by 

 internal accessions. 



Epicarp. The thin filmy external layer of a peri- 

 carp. 



Epigynous Placed on the ovary. 



Epiphytal Said of a plant growing on another 

 plant, but not parasitic. 



Erase. Descriptive of an irregularly toothed or 



eroded margin. 



Excurrent. Running through the apex or beyond. 

 Exocarp. The outer layer of a nericarp. 

 Exogenous. Descriptive of Exogens, plants with 



stems increasing by the addition of a layer of 



wood on the outside beneath the constantly 



widening bark. 

 Extrorse. Directed outward, descriptive of an 



anther opening away from the axis of the flower. 



Falcate. Scythe-shaped. 



Fascicle. A close cluster of leaves or flowers. 



Fascicled. Arranged in fascicles. 



Feather-veined. Having veins extending from the 



sides of the midrib. 

 Ferrugineous. The color of iron rust. 

 Fibro-vascular. Consisting of woody fibres and 



ducts. 



Filament. The stalk of an anther. 

 Filamentose. Composed of threads. 

 Fimbriate. Fringed. 



Fistulose. Hollow through the whole length. 

 Flabellate. Fan-shaped; much dilated from a 



wedge-shaped base with the broader end rounded. 

 Floccose. Bearing flocci or tufts of woody hairs. 

 Foliaceous. Leaf-like in texture or appearance. 

 Foliolate. Having leaflets. 

 Foliole. A leaflet. 

 Follicle. A dry 1-celled seed vessel consisting of a 



single carpel, and opening only by the ventral 



suture. 

 Funicle. The stalk of an ovule or seed. 



GamopetalcE. Plants with a corolla of coalescent 

 petals. 



Gamopetalous . Descriptive of a corolla of coales- 

 cent petals. 



Geniculate. Bent abruptly like a knee. 



Gibbous. Swollen on one side. 



Glabrate. Nearly glabrous or becoming glabrous. 



Glabrous. Smooth, not pubescent or hairy. 



Gland. A protuberance on the surface, or partly 

 imbedded in the surface of any part of a plant, 

 either secreting or not. 



Glandular. Furnished with glands. 



Glaucescent. Nearly or becoming glaucous. 



Glaucous. Covered or whitened with a bloom. 



Glomerate. Said of flowers gathered into a com- 

 pact head. 



Gymnospermce. Plants with naked seeds, that is, 

 not inclosed i,n a pericarp. 



Gynophore. The stipe of a pistil. 



Heartwood. The mature and dead wood of an 



exogenous stem. 

 Hermaphrodite. With staminate and pistillate 



organs in the same flower, equivalent to perfect. 

 Hilum. The scar or place of attachment of a seed. 

 Hirsute. Hairy, with coarse or stiff hairs. 

 Hispidulous. Minutely hispid. 

 Hypogynous. Under or free from the pistil. 



Imbricate. Overlapping, like the shingles on a 

 roof. 



Incumbent. Leaning or resting upon, as the radi- 

 cle against the back of one of the cotyledons. 



Induplicate. With edges folded in or turned in- 

 ward. 



Inferior. Said of an organ placed below another, 



