GLOSSARY OF BOTANICAL TERMS 



Dentate. — Applied to leaves that have their margins toothed, with the teeth 



directed outward. 

 DiADELPiious.— Intwo brotherhoods. Applied to stamens when cohering 



by their filaments into two sets. 

 DiCHOTOMOUS. — P^orking ; dividing into two equal branches. 

 Dicotyledon. — A plant whose embryo has two opposite cotyledons. 

 Diffuse. — Widely spreading. 

 Digitate.— Applied to a compound leaf in which all the leaflets radiate from 



the top of the petiole. 

 DiCECious.— In two households. With staminate and pistillate flowers sep- 

 arate and on separate plants. 

 Discoid.— Having the form of a disc. Descriptive of the shapes of certain 



stigmas, glands, etc. 

 Disk.— A development of the receptacle at or around the base of the pistil. 

 Dissepiment. — A partition in a fruit. 

 Drupe.— A fleshy or pulpy fruit with the inner portion of the pericarp hard 



or stony. A stone fruit. 

 Duramen.— Heartwood. 

 ECHINATE.— Beset with prickles. 



Emarginate. — Notched. Applied to a leaf which is notched at the apex. 

 Embryo.— Applied in botany to the tiny plant within the seed. 

 Endocarp. — The inner layer of the pericarp. 

 Epicarp. — The outer layer of the pericarp. 



Epigynous. — Growing on the summit of the ovary, or apparently so. 

 Erose. — Irregularly toothed, as if gnawed. 

 Et.^rio.— A fruit, the product of a single flower, which consists of small 



aggregated drupes. 

 ExocARP. — The outer layer of the pericarp. 

 Exserted. — Protruding; as stamens extending beyond the throat of a 



corolla. 

 ExTRORSE. — Facing outward. Applied to anthers which face away from 



the pistil. 

 Falcate. — Curved or sickle-shaped. 

 Fascicle. — A bundle. Applied to a compact cyme or a compact cluster of 



leaves. 

 Fertilization. — The union which takes place when the contents of the pol- 

 len cell enters the ovule. 

 FiBRO-VASCULAR BUNDLES.— The bundles of vascular tissues of plants. 

 Filament. — The stalk which supports the anther. 

 Filiform.— Thread-like. 

 FoLiACEOUS. — Leaf-like. 

 Fugacious.— Soon falling off. 



Galbulus. — A berry-like cone, as the fruit of the Juniper. 

 Gamopetalous. — Having the petals more or less united. 

 Gamosepai.ous. — Having the sepals more or less united. 



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