gametogenoiui 



Ganglion 



oflfspring), giving rise to gametes, 

 sexual cells ; Gametog'eny, the pro- 

 duction of gametes ; Gametogon'inm 

 {y6vos, offspring), the mother-cell 

 of a brood of gametes ; Gam'etoid 

 (cISos, resemblance), an apocytial 

 structure which unites like a gamete, 

 producing a zygotoid as the result ; 

 Gam'eto-nu'cleus, the nucleus of a 

 gamete ; Gam'etophore {<pope(a, I 

 bear), the portion of an algal 

 filament which produces gametes 

 according to function, further dis- 

 criminated as Androgametophore 

 and Gynogametophore ; Gam'eto- 

 phyll {<pv\\ov, a leaf), a more or 

 less specialized leaf which bears the 

 sexual organs ; Gam'etophyte {(pvrdv, 

 a plant), the generation which 

 beais the sexual organs, producing 

 gametes, in turn giving rise to 

 the Sporophvte ; Gam'etoplasm 

 {irXdfffjLa, moulded), the protoplasm 

 of gametes ; Gametozo'ogpore ( + 

 Zoospore), Pascher's name for the 

 biciliate zoospores of Ulothrix ; 

 gametrop'ic {rpotri}, a turning), 

 movements of organs before or after 

 fertilization (Hansgirg). 

 Gamob'iiun {yd/xos, marriage; $105, life), 

 H. Gibson's term for the sexual 

 generation of organisms which show 

 alternation of generations (Parker) ; 

 a gauietophyte ; Gamocen'tres, pi. 

 {KevTpoy, a sharp point, = cevtrum), 

 centres of grouped chromatin 

 granules during synapsis, afterwards 

 becoming the reduced number of 

 bivalent chromosomes (.^trasburger) ; 

 gamodes^mic {yd/ios, marriage, union ; 

 Seafihs, a bond), used of a stele 

 which has its component vascular 

 elements, fused together ; Gamo- 

 des'my, the stelar condition in ques- 

 tion ; Gamoe'cia {oIkos, a house), 

 used by Lind^ierg for the inflores- 

 cence of Bryophytes ; gamogas^'trous 

 {yaariip, the belly), applied to a 

 pistil fornied by the more or less 

 complete union of ovaries, the styles 

 and stigmas remaining free ; Gamo- 

 gen'esis {yevecris, beginning), sexual 

 reproduction ; gamogen'ic {ytvos, 



offspring), developed as the result 

 of a sexual process ; gam'oid, sexual, 

 opposed to vegetative reproduction ; 

 Gamomer'ius X {fj-^phs, a part), a 

 flower whose parts are united by 

 their edges (Lindley) ; Gamomer'is- 

 tele ( + Meristele), the lateral 

 fusion of individual bundle sheaths 

 (Jeffrey) ; gamomeriste'iic adj. = 

 gamodesmic; Gam'omites, pi. (iUtVos, 

 a thread or web), the conjugated fila- 

 ments in karyokinesis (Strasburger) ; 

 Gamopet'alae (TreVaAov, a flower- 

 leaf), plants having the petals united ; 

 adj. gamopet'alous, -lies ; gamo- 

 phyl'lous, -lus {(pvWov, a leaf), with 

 leaves united by their edges ; Gam'o- 

 phyte {(pvrhv, a plant), proposed by 

 0. MacMillan for "sexual plants;" 

 gamosep'alous, -his (-j- Sepalum), 

 the sepals united into a whole ; 

 Gam'osomes, pi. {<rd>/xa, a body), 

 Strasburger's term for the aggrej^a- 

 tion of chromatin granules formed 

 from portions of the thread during 

 synapsis ; Gam'osperms {airipixa, a 

 seed), plants having seeds without 

 parthenogenetic embryos (C. Mac- 

 Millan) ; Gam'icae, Radlkofer's term 

 for Algae ; Gamospor'ae [cTropa, seed), 

 Cohn's term for those Algae which 

 produce zoogonidia or zygospores, 

 as the Conjugatae, Volvocineae, 

 and Fucoideae cf. Carposporeae ; 

 Gam'ostele, (o-t-^Atj, a post), a poly- 

 stele, in which the vascular bundles 

 are not distinct throughout their 

 entire length, but fused together at 

 some portion ; adj. gamoste'lic ; 

 Gamoste'ly, the state described ; 

 gamotrop'ic, {rpov^, a turn), the 

 position of flowers when expanded 

 (Hansgirg), cf. carpotropic ; Gamo- 

 t'ropism, (rpoir)?, a turning), C. Mac- 

 Millan's term for the movement of 

 mutual attraction in similar con- 

 jugating gametes. 

 Ganglia, pi. of Gang'iion {ya.yy\iov, 

 a little tumour), (1) used for various 

 enlargements of mycelium, some 

 being rudimentary fructifications 

 •(Crozier) ; (2) the origin of the 

 vascular bundles in Dicotyledons ; 



156 



