Chromatology 



Chrysochloyophyll 



express the science of vegetable 

 colouring-matters ; Chromatorysis 

 {\v<TLs, a loosing), (1) Cavara's term 

 for the condensation of nuclear 

 chromatin in a homogeneous mass, 

 which afterwards subdivides ; (2) 

 the solution of chromatin (Nemec) ; 

 Chro'matomere {/J-^pos, a part) 

 = Chromosome ; chromat'ophile 

 {(piXew, 1 love), readily receptive of 

 stain ; easilv colourable ; Chromat'o- 

 phore {(popfw, I carry), a collective 

 term for the various plastids, 

 chloro-, chromo-, leuco-plastids ; 

 Chro'matoplasm (TrAao-^o, moulded), 

 the protoplasm of the colouring 

 and allied substances (Strasburger) ; 

 Chromid'ium, (1) the gonidium of a 

 Lichen, (2) pi. Chromid'ia, Hertwig's 

 term for discrete chromatin granules 

 derived from the nucleus (Wager) ; 

 gen'erative '^, those which replace 

 the nucleus or can be reformed 

 into nuclei ; veg'etative '^ , those 

 extruded for metabolism, or accu- 

 mulated in nuclear-like structures; 

 adj. chromid'ial ;. Chromidiocen'trum 

 {centrum, a centre), chromidia when 

 grouped into a well-defined mass in 

 the cell (Wager); Chromidiog'amy 

 {ydfius, marriage), fusion of chromidia 

 (Wager); Chromid'iosome (ffoD/io, a 

 body), Minchin's term for Chro- 

 MiDiUM ; Chromid'iosphere (tr^oTpo, 

 a sphere), the same as Chromidio- 

 CENTRUM ; Chro'mism, an abnormal 

 colouring, as of leaves; Chro'moblast, 

 an error of some writers for Chromo- 

 plast; Chro'mogen {y4vos, offspring), 

 ap]»licd to sundry colourless sub- 

 stances in plants, which by artificial 

 oxidation or fermentation produce a 

 colouring-matter ; Indican is an ex- 

 ample; chromogen'ic, chromog'enous 

 {y4uo5, offspring), colour-producing, 

 as some bacteria; Chromoleu'cite 

 (KfvKhs, white), Van Tieghem's name 

 for protoi)lasmic colour granules ; 

 Chro'momeres {fxepos, a })art), granules 

 susceptible of staining darkly in 

 chromosomes; adj. chromomer'ic ; 

 chromop'arous {pario, I produce), 

 colour-producing, applied to bacteria 



(C. Jones) ; chromoph'ilous (<pi\ea>, 

 I love), employed for those nuclei 

 which readily take up staining ; 

 chromoph'orous {(popeu, I carry), 

 used of protoplasm which is itself 

 coloured (C. Jones); Chro'mopliyll 

 {(pvWov, a leaf), any substance 

 which colours plant-cells; Chro'mo- 

 plast (A. Meyer), Chromoplast'id 

 (A, Schimper) (ttAoo-tos, moulded), 

 are synonyms for gi-anules contain- 

 ing other colouring than chlorophyll ; 

 Chro'mosomes ((r<£/uo, a body), fibrillar 

 bodies of definite number formed 

 during nuclear division, dividing by 

 fission into new groups, and contri- 

 buting to form the daughter nuclei ; 

 adj. chromoso'mal ; Dau'ghter -^j 

 secondary or derived chromosomes ; 

 Chro'mospire (+ Spirem), the folds 

 of the spirem in nuclear division 

 (Dangeard) ; Chro'mula, colouring- 

 matter of the plant, other than 

 chlorophyll ; applied especially to 

 petals; Chro'mule, Sorby's term for 

 any coloiiring-matter in plants. 

 Chron'ispore {xp^yos, time ; airoph., a 

 seed), a resting-spore ; Chronisporan'- 

 giiim(d77eroj', a vessel), the sac which 

 produces chronispores (Vuillemin) ; 

 Chronizo'ospore {C^hs, living ; airopa, 

 a seed), a microzoogonidium pro- 

 duced by Hydrodidyon, which rests 

 for some weeks before gernunating ; 

 also called Chron'ispore (Pringsheim) ; 

 Chronot'ropism {rpoir)], a turning), 

 changes due to age, as the position 

 of leaves. 

 chroococ'coid, resembling Chroococcus; 

 chroococca'ceous, allied to the same 

 genus. 

 chroole'poid, (1) like tlie genus Chro- 

 olcpis; (2) consisting of yellow scales. 

 . ohry8aloi'deu8(xpi'0'a^^^s>a.pupa ; el^os 

 resemblance), rolled up and folded 

 up at the same time ; wrapped up 

 as an insect pupa or chrysalis. 

 chrysan'thine (xpvo-os, gold ; Hvdos, 

 a flower), yellow flowered ; chry- 

 sell'us, somewhat golden-hued ; 

 chry'seus, yellow as gold ; chrysi'- 

 tes {xpv<TiTr)s, like gold), gold- 

 coloured; Chrysochlor'ophyll ( + 



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