Nothogamia 



(SUPPLEMENT) 



omphaloid 



gamy, crossing of various varieties 

 in contradistinction to HYBRIDO- 

 GAMY ; Nothogamia has been 

 proposed by Clements for hybrid- 

 ization generally. 



No'vifprm, a CULTIFOBM of * recent 

 origin (Kuntze). 



nu'bilus (Lat., dusky), greyish blue 

 (Hayne). 



nu'clear Plate, the demarcation of 

 the daughter-cells in nuclear-divi- 

 sion. 



Nu'clei: Blad'der ~s found in latex, 

 which seem to increase by direct 

 division (Molisch) ; Giant ~ of 

 certain species of Aloe, remarkable 

 for their size ; Thread ~ , long drawn 

 out, in the mucilage of Amaryllideae 

 (Molisch). 



Nucleochyle'ma (x^Xos, juice), Stras- 

 burger's term for the fluid which 

 fills the spaces in the LININ ; nu- 

 cleola'ted, having nucleoles. 



Nu'culane = NUCULANIUM. 



nyctipelag'ic (wJ f VVKTOS, night, + 

 PELAGIC), floating organisms which 

 rise to the surface only at night 

 (Forel) ; nyctig'amous (vvKTiyajjios, 

 marrying by night), flowers which 

 close by day, but open at night, 

 often scented. 



nymphaea'ceous, resembling or akin 

 to the waterlilies, Nymphaeaceae. 



Ob'ices (pi. of obex, a barrier), Cle- 

 ments's term for hindrances to pi ant 

 distribution j they may be bio- 

 logical -~, as constitution of the 

 plants, or physical <~, as the 

 shutting in by mountains. 



oceanic, applied to organisms living 

 in the open sea; Ocea'nium, an 

 ocean formation ; oceanophllus 

 (0t\<*w, I love), ocean - loving ; 

 oceanophyt'icus, relating to ocean 

 plants ; Oceanophy'ta (^vrbv, a 

 plant), ocean plants (Clements). 



Och'thium (OX^T), a bank), a bank 

 formation ; ochthophllus (0<Xew, I 

 love), bank loving; Ochthophy'ta 

 (<f>vrbv, a plant), plants of banks or 

 dikes (Clements). 



Ochet'ium, or Ochetlon 



conduit), a plant succession occa- 

 sioned by drains or ditches (Cle- 

 ments). 



octinu'cleate (+ NUCLEUS), having 

 eight nuclei (Harper). 



odon'toid (65oi)s, <56vros, a tooth, 

 eT5os, resemblance), tooth - like, 

 dentate (Heinig). 



Oece'sis (ok?7<m, dwelling), thorough 

 establishment of a species (Cle- 

 ments) ; originally spelled Ece'sis. 



Oecol'ogism, = OECOLOGY ; Oecp- 

 gen'esis ( + GENESIS), the origin 

 of oecologic factors ; oecolog'ic 

 Opt'imum, when the surround- 

 ings offer the most favourable 

 conditions for the life of a given 

 plant; Oecol'ogy, physiographic, 

 the distribution of plants according 

 to climate and soil ; Oecopar'asite 

 (+ PARASITE), a specialized form 

 of a parasitic fungus when growing 

 on one or more host-species to which 

 it is confined under normal cir- 

 cumstances ; cf. XENOPABASITE ; 

 Oecopar'asitism is the condition 

 in question (Salmon) ; Oec'otone 

 (TWOS, stress), the stress line or 

 boundaries between plant associa- 

 tions (Clements) ; originally spelled 

 Ecotone. 



Oede'mata, pi. of OEDE'MA, (2) pro- 

 posed in place of " substitute Hy- 

 dathodes." 



oedogpnia'ceous, pertaining to Oedo- 

 gonium or its allies. 



ol'igarch (dpxfy origin), applied to a 

 vascular cylinder containing but 

 few bundles (Crozier) ; oligonitro- 

 phllous, used of bacteria which 

 occur in nutritive media wanting 

 in nitrogenous compounds (Beyer- 

 inck). 



Olisth'ium, or Olisth'ipn (5Xi<r0os, 

 slipperiness), a succession of plants 

 on landslips (Clements). 



oliva'ceous, (2) olive-coloured. 



Om'brophyte (&VTOV, a plant), a shade- 

 loving plant (Haasgirg). 



Omphalo'dium, Kerner's term for 

 HILUM (1) ; om'phaloid (cTSos, re- 

 semblance), navel-like, umbilicate 

 (Heinig). 



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