heterogenetic 



Heteroprothally 



tion ; -^ Varia'tion = Mutation; 

 Heterog'enism = Hetkrogenesis ; 

 Het'erogone (701/7?), oft'spring), a 

 plant whose flowers are dimorphic 

 or trimorphic iu the length of the 

 stamens or styles ; adj. heterog'- 

 onous, het'erogo'iieus : Heterog''ony, 

 the same as Hkterostyly, cf. 

 HoMoGONY ; Heteroho'motype, the 

 entire stage of Hetero- and Homo- 

 type karyokinesis (Gregoire) ; het- 

 eroi'cous, a form preferred by some 

 bryologi>.ts to the usual spelling 

 HETERORcious; hsteroi'deus % [fl^os, 

 like), diversified in form (Lindley) ; 

 Heterokaryot'ic {Kapvov, a nut), the 

 ijharacter of spores in which both 

 male and female nuilei exist (Bur- 

 geif; Heterokaryo'sis is the con- 

 dition ; Heterokine'sis {Kiuriais, 

 motion), heterotypic meiosis (Gre- 

 goire); Heteroli'chtni ( + L[chkn), 

 Lichens in wliich the gonidia are 

 stratitied in the thallus (Jatta) ; h.et- 

 eromal'lus, -las {/xaWhs, a Ue^ce or 

 tuft of wool), si'roadiiig in all direc- 

 tions ; heterom'alous (I'rozier) = the 

 foregoing ; Heterom'erals, Bessey's 

 abbreviation for the lleteromerae 

 of l^entham and Hooker, a series 

 of Gamopetalae ; Heteromer'icarpy 

 {/jLfpos, a part; Kapirhs, fruit), (1) 

 heterocarpy occurring between parts 

 of the same fruit (Delpino) ; (2) 

 Huth's term lor a binary fruit, the 

 halves of which dilfer from each 

 other, as I'lirgenia hytcracarpa, DC; 

 heteromer'icus, strati Tied, as in some 

 Lichens; heterora'erous (1) wlien 

 the number of the members is not 

 uniform ; (2) in Lichens. tl\e oppo- 

 site of isomerous ; heteromor'phic, 

 lieteromor'phous ' (xop(p)], form), (1) 

 variati'in from normal structure, as 

 deformities, etc. ; (2) having organs' 

 dilfeiing in Icngtli. dimorphic, with 

 long and sliort styles; tiimoipliic, 

 with long, sh:)rt, and medium length, 

 the male organs (stamens) b. ing of 

 corresponding length ; Heteroraes- 

 Og'amy (^erros, intirnu'diate ; ydixos, 

 marriage), when individuals vary in 

 the method of feitilizatioii, as {a) 



auto-allogamous, (&) homodicho- 

 gamous, and (c) dientomophilous ; 

 Heteromorpho'sis or Heteromor'phy 



= AiTOMORPHOSis in botanic usage; 

 Heteromorph'ism, the heteromorpliic 

 condition^; heterone'meus {vrifxa), a 

 thread), applied to plants which on 

 germination produce thread-like 

 growths, which afterwards give rise 

 to a leafy axis, such as Bryophytes 

 and Pteridophytes ; Heteropet'alody 

 ( -\- Petalody) change from one kind 

 of petal into another ; heteroph'agous 

 {<pay(a, 1 eat), applied to Fungi which 

 attack plants not congeneric (Eriks- 

 son) ; Heteroph'agy, used by Dan- 

 geard for sexual (protoplasmic) unions 

 which leave a residue ; cf. AuTO- 

 PHAGY ; heterophyad'ic, heterophy- 

 ad/icus ((pwTj, growth), used of those 

 species which have fertile stems of 

 different form from the barren stems, 

 as in some Equiseta ; heterophyl'- 

 lous {(pvWoy, a leaf), having leaves 

 of ditferent foims ; Heterophyl'ly, 

 used by Krasser, for two different 

 forms of leaves, when caused by 

 dilference in organization ; Het'ero- 

 phyte, Ileterophy'tus {(purhv, a plant), 

 (1) Trattinik's name for those plants 

 which bear leaves and flowers on 

 separate stems, as Curcuma Zedo- 

 aria, Rose. ; (2) Boulger's term 

 for parasites destitute of chloro- 

 phyll ; (3) Warming's term for those 

 plants which are liolosaprophytes or 

 parasites, unable to exist indepen- 

 dently ; (4) employed for species of 

 wide range of habitats (F. B. H. 

 Brown) ; (5) the dioecious s}>oro- 

 phyte ; of heterotliallic plants, those 

 with unisexual sporophytes (Blakes- 

 lee) ; adj. heterophy'tic, hetero- 

 phy'tous ; Ileteroplas'tid's, th )se 

 organisms whose dillering cells i)er- 

 form ditferent functions ; Hetero- 

 plas'y {irXanau}, I form), applied to 

 all f)rms, and cells and tissues 

 arising frnm aluiormal grctwth after 

 a wound ; heteropo'lar {1^6X0$, a 

 pivot), for the axis of Diatomaceae 

 when the extremities difler ; Hetero- 

 pro'thally ( -f rRoTHALLU.*^), Van 



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