250 GLOSSARY 



De-cid'u-ous, Falling at the end of the season. 



De-cum'bent. Reclining with the top ascending. 



De-fo'li-a'tion. The casting off of leaves. 



De-his'cent. Opening by regular valves. 



Del'i-ques'cent. Branching, so that the stem is lost in branches. 



Del'toid. Like the Greek letter A in form. 



Den'droid. Tree-like in form. 



Den'tate. Toothed. 



De-nud'ed. Become naked. 



De-pend'ent. Hanging down. 



De-pressed. Flattened from above; low. 



De-scend'ing. Tending gradually downward. 



Dex'trin. A gummy substance produced by the action of diastase upon 



starch. 

 Di'a-del'phous. Having stamens grouped into two sets by united 



filaments. 

 Di'ag-no'sis. A brief statement of the distinctive character of a plant or 



group. 



Di-an'drous, With two star. Jens. 



Di'a-stase. A peculiar ferment in malt, altering starch into dextrin. 

 Di-chla-myd'e-ous. Having both calyx and corolla. 

 Di-chot'o-mous. Two equal forks. 



Di-cot'y-le'don-ous. Having two cotyledons, or seed lobes. 

 Di-cot'y-le'dons. Plants which have two seed leaves in their embryos. 

 Dif'fuse. Much divided and spreading. 

 Digl-tate. Having several distinct leaflets palmately arranged, as in the 



leaf of the horse-chestnut. 

 Di-mor'phous. Having two forms. 

 Di-ce'cious. Having staminate and pistillate flowers borne on different 



plants. 



Dru-pa'ceous. Like a drupe. 

 Drupe. A stone fruit, as the peach and cherry. 



El'a-ters. Spiral, elastic threads accompanying certain spores. 



El'lip-soi'dal. Shaped like an ellipsoid. 



El-lip'tic. Having the form of an ellipse. 



Em'bry-o. The young plant in the seed. 



Em'bry-o sac. The cell in the ovule in which the embryo is formed. 



En-dog'e-nous struc'ture. Structure in which the pith and woody fibre 



are indiscriminately mingled. 



En'do-gens. Plants whose structure is endogenous. 

 En'do-sperm. The food immediately surrounding the embryo. 



