Amphicotyledon 



Amylogenesis 



forth), producing fruit above 

 ground, which is subsequently 

 buried beneath ; cf. HYPOCARPO- 

 GENOUS ; Amphicotyle'don 



(KOTv\i)dui>, a hollow), De Vries'a 

 term for cotyledons united so as 

 to form a cup. 



amphigae'us, amphige'an (d/j.(f>i, 

 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 Krascheniuikovia, Turcz. ; Am- 

 phig'amae (yd^os, 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; Amphigast'er, 

 proposed alteration of the follow- 

 ing ; Amphigast'ria (yacrrr,p, belly), 

 stipular organs in Hepatic;e, which 

 clasp the stem ; amphig'enous 

 (yewau, 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 ; AmpM- 

 mix'is (/ufts, intercourse), sexual 

 reproduction (Weismann) ; Amphi- 

 py'renin (irvpriv, stone of fruit), 

 the membrane of the pyrenin, the 

 body of the nucleus ; Ampliisarc'a 

 (ffdp, ffapKbs, flesh), an inclehiscent 

 multilocular fruit, dry without, 

 pulpy within, as a melon ; Amphi- 

 sper'mium (trwepua, a seed), a fruit 

 which is amphisper'mous, when the 

 pericarp closely invests the seed and 

 assumes its shape ; Amphithe'cium 

 (077*??, 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 amphit'ropous -pus 

 (rpotrfu, I turn), said of the ovule 



12 



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'vus, 

 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, amphxicau'lis (caulis, 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 J (flos, 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, -ceus, am- 

 pul'liform, ampullijor'mis, swollen 

 out in flask-shape, as the corolla 

 in some Heaths. 



Amyg'dala (amygdalum, a kernel), an 

 almond ; amygd'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\oi>, fine flour+ac- 

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

 the same as DIASTASE ; amylif e- 

 rous (<pepu, 1 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 (fiaKTripiov, a little 

 rod), microbes producing butyric 

 fermentation, ascribed to the action 

 of Bacillus Amyloliac(f.r,Va,n 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 (ytveo-is, be- 

 ginning), the formation of starch ; 



