Amphicotyledott 



Amylogenesis 



forth), producing fruit above 

 ground, which is subsequently 

 buried beneath ; cf. HYPOCARPO- 

 GENOUS ; Amphicotyle'don 



(KOTv\ir)86v, a hollow), De Vries's 

 term for cotyledons united so as 

 to form a cup. 



amphigae'us, ampMge'an (dpQt, 

 around, 777, the earth) ; (1) plants 

 which are natives of both Old and 

 New worlds ; (2) used of flowers 

 which arise from the rootstock ; 

 as in Krascheninikovia, Turcz. ; Am- 

 phig'amae (-y<i/uos, marriage), plants 

 whose fructification is unknown, 

 possibly of both sexes; amphi- 

 gam'eous, amphig'amous, supposed 

 to be destitute of sexual organs, or 

 where their presence has not yet 

 been ascertained ; it has been ap- 

 plied to Cryptogams; Ampnigast'er, 

 proposed alteration of the follow- 

 ing ; Amphigast'ria (yaffrfp, belly), 

 stipular organs in Hepaticae, which 

 clasp the stem ; amphig'enous 

 (yevvAw, I bring forth), growing 

 all round an object, used of Fungi 

 when the hymenium is not re- 

 stricted to any particular surface ; 

 ~ Castra'tion, the action of Ustilago 

 antherarum, DC., when it mingles 

 the characters of both sexes by 

 developing in each, some of the 

 characters of the other; Ampni- 

 mix'is (/*ts, intercourse), sexual 

 reproduction (Weismann) ; Amphi- 

 py'renin (irvpTiv, stone of fruit), 

 the membrane of the pyrenin, the 

 body of the nucleus ; Amphisarc'a 

 (<ra'p, (rap/cbs, flesh), an indehiscent 

 multilocular fruit, dry without, 

 pulpy within, as a melon ; Amplii- 

 sper'mium (a-n-ep^a, a seed), a fruit 

 which is amphisper'mous, when the 

 pericarp closely invests the seed and 

 assumes its shape ; Amphithe'cium 

 (#77/07, a case), peripheral layer of 

 cells surrounding the endothecium 

 in the early stage of the develop- 

 ment of the moss-capsule ; adj. 

 amphithe'cial : amphit'ropal, or 

 more correctly ampnit'ropous -pus 

 (rpo-jreu, I turn), said of the ovule 



when it is curved so that both 

 ends are brought near to each other ; 

 Amphit'rophy, Wiesner's term for 

 growth when greatest in the shoots 

 and buds on the sides of the mother 

 shoot. 



Am'phora (Lat. a wine- jar) the lower 

 part of a pyxis, as in Henbane. 



amplect'ant, amplect'ans, amplecti'vws, 

 amplex'ans (Lat.) embracing; am- 

 plex'us, in Vernation, when two 

 sides of one leaf overlap the two 

 sides of the one above it ; amplex'- 

 icaul, amplexicau'lis (caidis, stem), 

 stem-clasping, when the petiole- 

 leaf, or stipule, is dilated at the 

 base, and embraces the stem. 



am'pliate, amplia'tus (Lat. ) enlarged ; 

 ampliatiflor'us (flos t flower), Com- 

 posites having the ray-florets 

 enlarged, as in the Corn-flower. 



Ampulla, (Lat. a bottle), the flasks 

 found on aquatics such as Utri- 

 cularia ; ampulla'ceous, -ecus, am- 

 pul'liform, ampullifor'mis, swollen 

 out in flask-shape, as the corolla 

 in some Heaths. 



Amyg'dala (amygdalum, a kernel), an 

 almond ; amygcT aliform (forma, 

 shape), almond-shaped ; Amyg'da- 

 lin, a glucoside found in the fruit 

 of many Rosaceae; amyg'daline, 

 pertaining to or resembling an 

 almond. 



amyla'ceous (d/j.v\ov, fine flour -fac- 

 eous), starchy ; Am'ylase, an enzyme, 

 the same as DIASTASE ; amylif e- 

 rous (0^/>w, I bear), starch-bearing ; 

 Am'ylin, a product of the action 

 of diastase on starch ; Am'ylites, 

 skeletons of starch-granules com- 

 posed of amylodextrin (Belzung) ; 

 Amylobacte'ria (paKTr/piov, a little 

 rod), microbes producing butyric 

 fermentation, ascribed to the action 

 of Bacillus Amy lobacter, Van Tiegh. ; 

 Amylocel'lulose ( + CELLULOSE), a 

 supposed constituent of starch- 

 granules ; Amylodex'trin ( + DEX- 

 TRIN) an intermediate in converting 

 starch into dextrin ; cf. ACHROODEX- 

 TRIN; Amylogen'esis (-yeWis, be- 

 ginning), the formation of starch ; 



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