Cyme. A broad and flattish inflorescence, the central flowers of 



which bloom first. Page xiv. 

 Cymose. Arranged in cymes. 

 Deciduous. Not persistent; falling away, as the leaves of a tree 



in autumn. 

 Decurrent. Said of a leaf which extends down the stem below 



the point of fastening. 



Decussate. Alternating in pairs at right angles. 

 Dehiscent. Opening by valves or slits. 

 Deltoid. Delta-shaped. 

 Dentate. Toothed, with the teeth usually pointed and directed 



outward. Page xm. 



Depressed. Somewhat flattened from above. 

 Dlchotomous. Branching regularly in pairs. 

 Digitate. Said of a compound leaf in which the leaflets are 



borne at the apex of the petiole; finger-shaped. 

 Dioecious. Unisexual, with staminate and pistillate flowers on 



different individuals. g 



Distribution. The geographical extent and limits of a species. 

 Divergent. Said of buds, cones, etc., which point away from the 



twig; or of pine needles, etc., which spread apart. 

 Dorsal. Pertaining to the back or outer surface of an organ. 

 Downy. Covered with fine hairs. 

 Drupe. A fleshy or pulpy fruit in which the inner portion is 



hard or stony. 



Ellipsoid. An elliptical solid. 



Elliptical. Oval or oblong with regularly rounded ends. Page xii. 



Eniarginatc. Notched at the apex. Page xn. 



Entire. Without divisions, lobes or teeth. 



Excrescences. Warty outgrowths or protuberances. 



Exfoliate. To cleave off, as of the outer layers of bark. 



Falcate. Scythe-shaped. 



Fascicle. A compact cluster of leaves or flowers. 



Fascicled. Arranged in fascicles. 



Fastigiate. Said of branches which, are erect and near together. 



Feather-veined. Having veins extending from the midrib to the 



margin, feather-wise. 

 Fertile. Capable of bearing fruit. 



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