Degeneration 



Deposits 



Degenera'tion (degenero, to become 

 unlike the race), an alteration for 

 the worse, or less highly developed, 

 as when scales appear instead of 

 leaves. 



Degrada'tion (degredior, I descend), 

 less highly differentiated, simpler 

 structures taking the place of more 

 elaborate ; lower in function, re- 

 trograde metamorphosis, or a kata- 

 bolic change, complex substances 

 resolving into simpler ; ~ Product, 

 the result of katabolism, as muci- 

 lage. 



dehisce' (dehisco, I yawn), to open 

 spontaneously when ripe, as seed 

 capsules, etc. ; Denis'cence, De- 

 hiscent' 'ia, the mode of opening of a 

 fruit capsule or anther by valves, 

 slits or pores ; dehis'cent, dehis'cens, 

 dehis'cing, splitting into definite 

 parts. 



Dehydra'tion (de, privative ; vdwp, 

 water), depriving of water as a 

 component, as by the use of alcohol, 

 or calcic chloride. 



Delimita'tion (Late Lat. delimitare), 

 used for ABJUNCTION ; cutting off 

 by a precise limit. 



deliques'cent, -ens (Lat. melting 

 away), dissolving or melting away, 

 as (1) when the stem loses itself by 

 repeated branching ; or (2) when 

 certain Agarics become fluid at 

 maturity. 



Deliq'uium J (deliquus, wanting) 

 emarginate (Lindley). 



Del'phine, an alkaloid present in 

 Delphinium Sfaphimgria, Linn. 



delta-leaved (5e\ra, the C4reek letter 

 A), having triangular leaves, 

 del'toid, deltoi'des, -dem (et5o?, re- 

 semblance), shaped like the Greek 

 A ; an equilateral triangle. 



demersed', demer'sus (Lat. plunged 

 under), under water, especially of 

 a part constantly submersed. 



demis'sus (Lat.), hanging down, 

 lowered. 



Dena'riit (Lat. ) = ten together 

 (Lindley). 



den'driform (5e'v8poi>, a tree ; forma, 

 shape) = DENDROID; dendrit'ic 



-icus, -ical, having a branched ap- 

 pearance, as the lirellae of Lichens, 

 etc. ; Dendri'tes, cellulose in crys- 

 tals; Dendrio-thamno'des, with thal- 

 lus branched as a bush, as the Rein- 

 deer Lichen, Cladonia rangiferijia, 

 Hoffm. ; den'droid, dendroi'des, den- 

 droi'deus (eldos, resemblance), tree- 

 like, in form, or branching ; Den'- 

 drolite (\idos, stone), a fossil tree ; 

 Dendrol'ogist (\oyos, discourse), one 

 skilled in the knowledge of trees ; 

 Dendrol'ogy, the study of trees. 



deni (Lat.), by tens, ten together. 



den'igrate, denigra'tus (Lat.), black- 

 ened. 



Denizen, H. C. Watson's term for 

 plants suspected of foreign origin, 

 though maintaining their place, as 

 Viola odorata, Linn. 



Dens (Lat.), a tooth; den'tate, den- 

 ta'tus (Lat.), toothed, especially 

 with salient teeth directed for- 

 ward ; denta'to-crena'to = CRENATO- 

 DENTATUS ; ~ lacinia'tus, with 

 toothings irregularly extended into 

 long point ; ~ serra'tus, the tooth- 

 ings tapered and pointed forward ; 

 Dent'icle, a small tooth (Crozier). 



dentic'ulate, denticula'tus, minutely 

 toothed ; Denticula'tions, small pro- 

 cesses or teeth ; dentiform ( forma, 

 shape), J. Smith's equivalent for 

 toothed ; den'toid (eldos, form), 

 tooth-shaped. 



denu'date, denvda'tu8(La,t.), stripped, 

 made bare, or naked. 



deoperc'ulate, deopercula'tus (de, oper- 

 culum, a lid) ; (1) when the oper- 

 culum of a Moss does nob separate 

 spontaneously from the sporophore ; 

 (2) having lost the operculum. 



deor'sum (Lat. from de, down, versus 

 turned towards), downward. 



depaup'erate, d&paupera'tus (Lat.), 

 impoverished as if starved, re- 

 duced in function. 



dep'lanate, deplana'tus (Lat.), flat- 

 tened or expanded. 



depend', depen'dent, depen'dens (Lat. ) 

 hanging down. 



Deposits (depositus, laid aside), 

 secondary growths on the cell- 



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