GLOSSARY OF BOTANICAL TERMS 



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

 directed outward. 



DiADELPHOUS. — In two brotherhoods. Applied to stamens when cohering 

 by their filaments into two sets. 



DiCHOTOMOUS. — Forking ; 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/ERIO. — 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. 



gXTRORSE. — 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. 



Gamosepalous. — Having the sepals more or less united. 



521 



