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GLOSSARY. 



what thickened, with the margins 

 also rounded. 



Disk, a fleshy expansion between the 

 stamens and pistil, occurring in 

 some flowers, and considered to 

 result from the abortion of an 

 inner whorl of stamens ; also the 

 central portion occupied by the 

 flowers in a capitule. 

 Dissected, having the segments very 

 numerous and deeply cut, as in 

 some leaves. 



Dissepiment, the vertical partitions 

 in the interior of an ovary, divi- 

 ding it wholly or partially into two 

 or more cells. 



Distichous, longitudinally arranged 

 in two rows, on opposite sides of 

 a common axis. 

 Distinct, wholly unconnected with 



adjoining parts or organs. 

 Divaricate, branching off and 

 spreading irregularly at an obtuse 

 angle. 

 Dorsal, attached to the back of any 



organ. 

 Downy, covered with short weak 



close hairs. 



Drupaceous, possessing the charac- 

 ter of a drupe. 



Drupe, an indehiscent, superior, 

 one-celled fruit, fleshy externally 

 and bony within, containing one 

 or two seeds, as the plum, peach, 

 etc. 



Elliptical, approaching the form of 



an ellipse, that is an oval rounded 



at the ends, or an oblong widened 



in its smaller diameter. 



Emarginate, slightly notched at the 



summit. 



Embryo, the rudiment of a plant 

 contained in the seed. 



Endogen, the same as a monocoty- 

 ledon. 



Endogenous, possessing the internal 

 structure of monocotyledons, 

 that is with the newest cellular 

 and vascular tissue of the stem 

 produced within the older, and 

 not collected in concentric rings. 

 Entire, without any traces of divi- 

 sion, incision, or separation. 

 Epigynous, having the outer whorls 

 of the flower adherent to the 

 ovary, so that their upper por- 

 tions alone are free, and appear 

 to be seated on it, as in the Um- 

 bellifers. 



Equal, where one part is of the same 

 general form, disposition, and size, 

 as some other part with which it 

 is compared ; synonymous with 

 regular. 



Epipetalous, growing on the petals. 



Erect, when any part or organ stands 

 perpendicularly, or very nearly so, 

 to the surface to which its base is 

 attached. 



Evergreen, bearing green leaves all 

 the year round. 



Exogen, the same as a dicotyledon. 



Exogenous, the peculiar structure 

 of dicotyledonous stems, wherein 

 the successive deposits of newly 

 organized wood are exterior to the 

 old ones, and form concentric 

 layers. 



Falcate, plane and curved, with the 

 edges parallel, like a sickle. 



Fasciculate, where several similar 

 parts originate at the same spot, 

 and are collected, as it were, into 

 a bundle. 



Filament, the stalk which in many 

 stamens supports the anther. 



