Glossary [375] 



Dentate. Toothed, with the teeth directed outward. 



Denticulate. Minutely toothed. 



Diadelphous. Stamens formed into twc groups through the union 



of their filaments. 

 Diaphragmed. Said of pith which is solid but with more or less 



regularly spaced disks of horizontally elongated cells with 



thickened walls. 

 Dimorphous. Occurring in two forms. 

 Dioecious. Unisexual, the staminate and pistillate flowers on 



different individuals. 

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



the pistil. 

 Dissemination. The spreading abroad of ripe seeds from the parent 



plant. 

 Divergent. Spreading apart; pointing away. 

 Dorsal. Relating to the back or outer surface of an organ; the 



lower surface of a leaf. 

 Downy. Clothed with a coat of soft, fine hairs. 

 Drupaceous. Resembling or relating to a drupe. 

 Drupe. A stone fruit, such as a plum. 



E. A latin prefix denoting that parts are missing, as eglandular, 



without glands. 

 Ellipsoidal. Of the shape of an elliptical solid. 

 Elliptic. Of the form of an elipse. 

 Emarginate. Notched at the apex. 

 Entire. Leaf margin without divisions, lobes or teeth. 

 Erose. Descriptive of an irregularly toothed or eroded margin. 

 Excrescences. Warty outgrowths or protuberances. 

 Exfoliate. To cleave or peel off in thin layers. 

 Exserted. Prolonged beyond the surrounding organs, as stamens 



from the corolla. 



Falcate. Scythe- or sickle-shaped. 



Fascicle. Dense cluster or bundle. 



Fibro-vascular. Consisting of woody fibers and ducts. 



Filament. The stalk of an anther. 



Fluted. Regularly marked by alternating ridges and groovelike 



depressions. 

 Foliaceous. Leaflike in texture or appearance. 

 Fugacious. Falling or withering away very early. 

 Fulvous. Tawny; dull yellow with gray. 



