metabolic 



MetapMoem 



to chemical clianges in living organ- 

 isms ; ^ Equiscta, those species 

 ■whose fertile stems subsequently 

 form branches and become green 

 (Goebel) ; ~ Force, vital activity; 

 Metab'olism, the sura of the chemi- 

 cal changes in a liviTig cell, usually 

 restricted to constructive change ; 

 (/. Anabolism,Kataboli.sm; metab'- 

 olize, to change as described ; 

 Metab'olite, a product of metabolism. 

 Metaccl'lulose [y-^ra, witli ; + Cellu- 

 lose), found in Lichens and Fungi ; 

 it is the same as Fungine; Meta- 

 cMamyd'eae (x^a/ius, a cloak), (1) 

 C. MacMillau's proposed term for 

 Conipositae ; (2) Engler's term for 

 Gamopetalae; Age of '^ , C. Mac- 

 Millan's term for the present age, 

 subsequent to tlie Glacial Epoch ; 

 adj. metachlamyd'eous ; Metachloro- 

 phyriin ( + Choropiivllin), a class 

 of chlorophyll derivatives, the cr^'s- 

 tallizable chlorophyll (Tsvf tt) ; Me- 

 tacliro'niatin= Volutin ; Metacbro'- 

 mosomes ( + Chromosomes), certain 

 bodies found in the hyphae of 

 Asconiycetes which appear to be of 

 the nature of Chromatin ; Meta- 

 chro'my {xpo>iJ-a, colour), the chang- 

 ing from one colour toanotlier ; adj. 

 metacbromat'ic ; Metacollencb'yma 

 ( -{■ Collen'CHYMa), a result of 

 secondary metamorphosis which has 

 taken place at a late period (C. 

 Mueller); Met'acorm (^op^^s, a log), 

 the plant body after the ditferentia- 

 tion of its permanent menilxn-s ; adj. 

 metacor'mal ; Metacra'sis {Kpaais, a 

 mixture), kinetic metabolism, trans- 

 mutation of energy ; Metader'ma 

 {Sepfj-a, a skin), a modified tissue 

 which takes the place of cork in 

 some stnicturcs, but does not pos- 

 sess the properties of coi-k (A. 

 Meyer) ; nietad'romous {Bp6/uos, a 

 course), a form of venation in which 

 in a single Fern-frond the first set of 

 nerves in the segments are given otT 

 on the upper, or the lower (basal) 

 side of the midrib (Prantl) ; meta- 

 gam'etal ( + Gamete) Kejuven- 

 es'cence, a cell or mass of cells act- 



ing as a gamete or zygote (Hartog) ; 

 Metagam'opbyte (ydixos, marriage ; 

 (pvrhy, a i)lant), C. MacMillan's 

 proposed name for his highest 

 gi'oup of Phanerogams ; a synonym 

 of " Siphonogamia " ; Metagen'esis 

 iyeyeais, a beginning), M'Xab's term 

 for true alternation of generations ; 

 Metagymnosper'mae ( -f Gymno- 

 si'Ekm), the higher Gymnosperms 

 (Jeffrey) ; Metag'yny {yw^, a 

 woman), with male flowers sexually 

 mature before female (Loew) ; pro- 

 tandry; Metakine'sis {Kiyqcris, a 

 moving), the separation of the 

 threads in tlie metaphasis stage of 

 nuclear division ; Met'amer {fxepos, a 

 part), used by Sachs to denote a 

 Phyton, or one of a mmiber of 

 similar parts of a series ; Metameri- 

 za'tion, the multiplication of floral 

 elements. 



Metamorphogen'esis {fj.eTa}x6p<pu>(Ti%, 

 transformation; yiv^ais, beginning), 

 the process by which organs cliange 

 from their normal to abnormal con- 

 ditions, by mea?)s of transitional 

 forms (Worsdell) ; Metamorpb'osis, 

 in botan}'^ the change of one organ 

 into another, as stamens into petals ; 

 syn. Metamor'phy ; adj. metamor'- 

 phosed, changed. 



Metanapbyto'sis (/uera, with ; -f Ana- 

 PiiYTosLs), the formation of the 

 floral envelopes ; Metan'dry {av^p, 

 avZphs, a man), the fenjale flowers 

 ready before the male ; }irotogynou3 ; 

 Metane'ma {vriixa, a thread), C. Mac- 

 Millan's name for the second stage 

 in the germination of Mosses Avhich 

 succeeds the protonema ; adj. meta- 

 ne'mal ; Metanthe'sis [Sivd-nciS, 

 flowering), retarded floral develop- 

 ment, as opposed to Pkoanthesis 

 (Wittrock) ; Metaph'asis {(picis, a 

 phase), in nuclear division the 

 separation of the daughter chromo- 

 somc* ; Metapb'ery {<popeo, I carry), 

 the displacen)eut of organs, as when 

 alternate become opposite, etc ; 

 Metaphlo em (-f Phloem), Van Tieg- 

 hem's term for a simultaneous 

 gro^\■th of bast-tissue with the 



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