amphigeal 



amplexas 



bears dimorphic flowers, the upper 

 from the stem, the lower from tlie 

 root or root-stock, as Kraschenini- 

 kowia; amphigae'us, amphige'an (1) 

 plants which are natives of both Old 

 and New worlds ; (2) used of flowers 

 which arise from the rootstock ; Am- 

 phig'amae {ydfios, 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 following : 

 Amphigast'ria [yaar^, helly), stipu- 

 ]ar organs in Hepaticaj, which clasp 

 the stem ; axupbig'enoas {yivos, 

 oflspring), growing all round an 

 object; used of Fungi when the 

 hymenium is not restricted to any 

 particular surface ; ^ Castra'tion, tlie 

 action of UsiUayo ant her arum, DC, 

 when it mingles the characters of 

 both sexes by developing in each 

 some of the characters of the other ; 

 Amphigen'esis {yeveais, beginning), 

 Haeckel's term for sexual reproduc- 

 tion ; Amphig'ony {y6vos, olfspring), 

 sexual reproduction (Haeckel) ; Am- 

 phigcn'ium, Kerner's term for 

 Akchegonium; Amphile'psis {^v^ts, 

 a receiMng), the ordinary result 

 of fertilization ; c/. Monolefsis 

 (Bateson) ; AmpMmix'iB {fii^is, a 

 mingling) : (1) sexual reproduc- 

 tion (Weismann), (2) the union of 

 parental characters in the embryo 

 (Sargent); Amphinu'cleus (+ Nu- 

 cleus), Goldsclimidt's term foi the 

 nucleus when it possesses both 

 generative and somatic functions ; 

 amphiphlo'ic, applied to tlie central 

 cylinder of stems, with phloem on 

 both sides of the xylem ; cf. Kcto- 

 phi.ok; (Jeffrey) ; ^ Pro'tostele (or 

 '-'Hap'lostele), a stele in which the 

 solid central xylem is traversed by a 

 continuous internal strand of phloem, 

 connecting with the external phloem 

 at the nodes (Chandler) ; '- Phyl- 

 losi^'phony, when the tubular central 



1 



cylinder exists with foliar gaps, and 

 without external phloem ; Am'phi- 

 phyte {<pvT6t/, a plant), a plant on 

 boundary zone of wet land, amph ibious 

 in life and hydrophy tic in adaptation 

 (Schroter) ; Amphipy 'renin (-Trvp^y, 

 stone of fruit), the membrane of 

 the pyrenin, the body of the nu- 

 cleus ; Amphisarc'a (orap|, capKhs, 

 flesh), an indehiscent rauitilocular 

 fruit, dry without, pulpy within, as 

 a melon ; Amphisor'ns \ + Sonus), 

 a group or patch of Am phi spores 

 (Arthur and Holway) ; Amphisper'- 

 miam {air^pp^a, a seed), a fruit which 

 is amphisper'xuous, wlien the peri- 

 carp closely invests the seed and 

 assumes its shape; a!npxiispor''al, 

 amphispor'ic (-f Hpohe); relating to 

 an Am'phispore, Carleton's name for 

 Mesospore ; amphisporan'giate, an 

 emendation of Ambispora>.giate 

 (Arber and Parkin) ; AmpMsporan- 

 gia't&e, plants possessing micro- and 

 megaspores, i. e. stamens and pistils ; 

 amphistomat'ic, amphistom'atous 

 (+ Stoma), with stomata on both 

 upper and lower leaf-surfaces ; 

 Amphisyncot'yly (+ Cotyledon), 

 having cotyledons coalescent in the 

 form of a funnel or trumpet (De 

 Vries) ; shortened to Amphicot'yly ; 

 Amphithe'cium {d-^Kri, a case), peri- 

 pheral layer of cells surrounding the 

 endothecium in the early stage of 

 the development of the moss-capsule ; 

 adj. amphithe'cial ; amphit'ropal, 

 or more correctly amphit'ropous 

 -pus {rpovos, turn), said of the ovule 

 when it is curved so that both ends 

 are brought near to each other ; 

 amphitroph'ic, relating to Am phi- 

 trophy ; Amphit'rophy, Wiesner's 

 term for growth when greatest in 

 the shoots and buds on the sides of 

 the mother shoot; amphiva'sal {vasa, 

 vessels), used of a leptocentric bundle 

 (Haberlandt). 



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

 part of a pyxis, as in Henbane. 



amplecfant, amjdecl'ans, avipUcti'vus 

 ampkx'ans (Lat.), embracing ; am- 

 plex'us, in Vernation, when two 



