Amides 



amphigeal 



substances occurring in plants, 

 soluble in water, diHusible, crystal- 

 lizable, not coagulating on boiling ; 

 those of common occurrence are Aspa- 

 ragin, Leuciu, and Ty rosin ; Amid'- 

 ulin, soluble starch, existing in small 

 quantity in ordinary starch-grains ; 

 Ami'doplast (irAaorrbj, modelled), an 

 error for Amyloplast; am'inoid 

 (e!8os, resemblance), used by Kerner 

 for those scents which have an 

 amine as their foundation. 



Amito'sis (a, withoiit ; fxlros, a web), 



de lined as degenerate mitosis, when 



nuclear division takes place dii'ectly 



-without the phenomena of karyo- 



kinesis ; adj . amito'tic. 



Am'me (Ger., nurse), cf. Tropho-. 



Ammoch'thad i&H-t^os, sand ; 0x^77, 

 bauk + AD), a sand-bank plant ; 

 Ammochthi'um, a sand-bank forma- 

 tion ; ammochthoph'ilas {<pi\e<a, I 

 love), plant dwelling on sand- 

 banks ; Ammochthophy'ta {(pvrhv, a 

 plant), plants of sand-banks (Cle- 

 ments) ; Am'modytes (Sua), I sink 

 in), living in sandy places ; ammo- 

 ph'ilous, -lus \(pi\€Q}, I love), sand- 

 loving. 



Ammo'nia (Amnion, the Libyan 

 Jupiter; first found near his temple), 

 a pungent gas; the so-called volatile 

 alkali ; Ammonifica'tion {facio, I 

 make), the production of ammonia 

 by certain bacteria ; Ammo'nobac- 

 te'ria ( + Bactekium), organisms 

 capable of producing ammonia from 

 nitrogen compounds (Lipn)an). 



Ammophile'tum, an association of 

 Ammophila arundinacca, on sand- 

 dunes. 



Am'nion, Am'nios (a.uvioj, foetal mem- 

 brane), a viscous fluid which sur- 

 rounds certain ovules in an early 

 stage ; amniot'ic Sac = Embryo-Sac. 



amoe'boid {aixot^aios, interclianging), 

 applied to the jelly-like plasmodium 

 01 Myxogastres when in motion, 

 resembling an Amoe'ba, a protean- 

 8ha])ed rhizopod ; Amoeboid'eae, 

 used by (jo1)i for the lowest forms 

 of plant-life which are destitute of 

 chlorophyll ; Amoe'bulae, the separa- 



tion of plasma round each nucleus 

 in Sorospkaera (Schwartz). 



amorph'ouB, amorph'us (a, without ; 

 fiopip^, form), shapeless, the form not 

 regular or definite ; Amorph'opliyte 

 {(pvrhy, a plant), a plant with ano- 

 malous flowers. 



Am'pelid, (it^TreAos, a vine ; elSos, like), 

 used by J. Smith for any climbing 

 plant ; Ampelog'raphist {ypdtpo), I 

 write), a writer on vines. 



Amphanth'ium I {aix<pi, around ; &vdos, 

 flower), the dilated receptacle of an 

 inflorescence, as in Dorstenia; clinan- 

 thium ; Am'phiaster {aurr^p, a star), 

 the combined nuclear-spindle and 

 cytasters ; also for the combined 

 cytasters only (Crozier) ; amphib'ioas 

 {^los, life), growing on dry land or 

 in water equally well ; -^ Altema'- 

 tion, the adaptation of organism, 

 originally of aquatic habit, to sub- 

 aerial conditions ; Amphib'rya {^pvo, 

 to sprout), Endlicher's name for 

 Monocotyledons ; amphib'ryons, 

 •yus, growing by increase over the 

 whole surface ; amphicarp'ic, -pons, 

 -pits {Kapvhs, fruit), possessing two 

 kinds of fruit, differing in character 

 or time of ripening ; Amphicarplom, 

 an archegonium persisting as a 

 fruit-envelope, after fertilization ; 

 ampliicarpog'enous(76i/oj, olFspring), 

 producing fruit above ground, which 

 is subsequently buried beneath ; 

 cf. HYPOCAUPOGENOUS ; Am'pM- 

 chrome (xpw^a, colour), used for 

 plants which abnormally produce 

 flowers of two ditt'erent colours on 

 the same stock (Lindman) ; cf. poly- 

 chrome, HETEROCHROME, META- 



CHROMR ; Amphichro'matism, the 

 condition named ; amphicoelous 

 {ko'iAos, hollow), concave on both 

 sides (Heinig) ; Amphicotyle'don 

 {KUTv\r}dcov, a hollow), De Vries's 

 term for cotyledons united so as to 

 form a cup ; Amphicot'yly, if. 

 AMPnisYNcoTYLY ; amphicri'bral 

 (cribrum, a sieve), applied to a 

 liadrocentric bundle (Habe)laudt). 

 amphige'al {aix(pl, around ; yv, the 

 earth), applied to a plant which 



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