Decursively-pinnate A DICTIONARY 



Dentate 



DECflR'SlVELt-PlN'NATE, ap- 

 parently pinnate, but having 

 the segments decurrent along 

 the rachis. 



DECUSSATE, said of leaves 

 which grow in pairs succes- 

 sively at right angles to each 

 other. Compare Brachtate. 



DECUS'SATED, see Decussate. 



DEDOUBLEMENT [Day-doobl-i- 

 man], see Chohisis. 



DEDUPLlCA'TION, see Chorisis. 



DEFERENT, carrying anything 

 downwards. 



DEFINITE, (1) having a con- 

 stant, fixed, or limited, mini 

 ber; in stamens not exceeding 

 twenty; (2) the same as Deter- 

 minate, which sec. 



DEFINITE GROWTH, see De- 

 terminate Growth. 



definite Inflorescence, 



see Determinate Inflores- 

 cence. 



DEFLfiCT'ED, see Deflexed. 



DEFLEXED', bent abruptly to 

 one side or outward at an 

 angle of forty-rive degrees or 

 less; deflected. Compare Re- 

 fracted and Recurved. 



DEFLO'RATE, past the flowering 

 state, as an anther after it has 

 shed its pollen, or a plant or 

 flower after the petals have 

 fallen. 



DEFOLIATE, having cast its 

 leaves. 



DEFOLIATION, the fall of leaves. 



DfiF dRMA'TION, an alteration in 

 the usual form of an organ, by 

 accident or otherwise; mal- 

 formation. 



DEGENERATION, deficiency in 

 size or quality, or appearing in 

 a less developed or lower state, 

 as when scales take the place 

 of leaves, or petals the place of 

 stamens; degradation. 



52 



D£GRADA TION, see Degenera- 

 tion. 



DEHISCE', to open for the escape 

 . of seeds, spores, etc. 



DEHISCENCE, the opening in a 

 regular manner of certain 

 fruits to discharge their seeds, 

 and of anthers and spore cases 

 to discharge their contents. 



DEHlS'CENT, opening in a regu- 

 lar manner to discharge the 

 contents, as most pods to liber- 

 ate the seeds. Compare Inde- 



HISCENT. 



DELIMITATION, see Abjunc- 



TION. 



DELIQUESCENT, dissolving. 

 Said of a tree which branches 

 repeatedly, so that the main 

 stem is lost. Compare Excun- 

 rent. Also applied to fungi 

 which dissolve at maturity by 

 the absorption of moisture 

 from the air, as some mush- 

 rooms. 



DELTOID, nearly in the shape of 

 an equilateral triangle, or the 

 Greek letter delta. "When ap- 

 plied to leaves it implies that 

 the attachment is at the broad 

 end, otherwise the term Ob- 

 deltoid is used. 



DEMERSED', growing constantly 

 or naturally under water; im- 

 mersed; submersed. 



DENDRIFORM, tree-shaped. 



DENDRlT'lC, branched like a 

 tree; dendriform. 



DENDROID, tree-shaped; den- 

 driform; dendritic; arbores- 

 cent; applied to small plants, 

 such as mosses, which branch 

 like a tree or shrub. 



DENDROL'OGt, the natural his- 

 tory of trees. 



DEN'lGRATE, dark dusky brown. 



DENSE, crowded together. 



DENTATE, having broad acute 



