•otocarpdd 



enneasome 



ectocarp'oid, resembling the alga 

 Ectocarpus Lyngb. 



ectokinet'ic {kLvtjol^, movement), 

 applied to a sporangium which 

 dehisces by epidermal mechanism ; 

 c/. ENDOKiNETic (Jeffrey) ; Ec'to- 

 plasts {nXaaTos, moulded), cyano- 

 phycin granules in blue-green 

 algae (Fritch) ; Ect'otroph {rpo<f>'^, 

 food), a parasite feeding from out- 

 side its host; Ectothiobacter'ia 

 (delov^ sulphur, + Bacteria), which 

 form sulphur outside the cells ; 

 Ectothioleuka'ceae, colourless sul- 

 phur bacteria with the sulphur 

 outside the cells. 



Edaph'ic Cli'max or ~ Forma'tion, " an 

 association complex which is 

 related to a specific physiographic 

 area " (Nichols) ; Edaph'on, the 

 qualities of the soil as regards 

 plant-growth (France). 



efflg'urate, add, (3) having a thallus 

 like the lichen Placodium DC. 



Electr'olyte (Am^ifp, a release), (1) a 

 compoiind decomposable by an 

 electric current ; (2) the current 

 of electricity evoked by irritation 

 in the pulvinus of Mimosa Linn. 

 (Blackman). 



El'eoplast, Jeffrey's term for Elaio- 



PLAST. 



elep'idote, destitute of scurfy scales, 



non-lepidote. 

 Elnvia'tion {eluvio, washing away), 



elutriation, decanting the finer 



particles from the heavier by a 



stream of water; adj. eluvia'ted. 

 Emargina'tion (e, from ; margo, edge), 



notching of the leaf-apex. 

 Emersipra'ta {emersus, emerged) ; 



'pratum, a meadow), upper portions 



of moist meadows. 

 E'mophytes, pi. {rnJ-va, I sink ; <j>xn6v, 



a plant), entire plant submerged, 



no functional stor^.ata (Clements). 

 -en for -annm, layer societies 



(Clements). , 

 encap'suled, certain protophytes with 



a firm envelope (Fritch). 

 Encyoneme'tum, an association of 



fresh-water algae, inclusive of 



Encyonema Kiitz. 



endobasid'ial, c/. Endobasidium ; en- 

 doconid'ial, relating to endoconidia ; 

 Endoconideoph'ora {4>op€io, I bear), 

 the organ producing endoconidia in 

 Thielavia Zopf; End'oderm, c/. 

 Endodermis ; endokinet'ic (/ctvT/cris, 

 movement), a fruit opening by 

 mechanism of internal origin; c/. 

 ectokinetic; Endolith'ophytes, pi. 

 {Xidos, stone), lichens which pene- 

 trate into rock, adj. endolith'ic ; 

 End'ome, the inner layer of Van 

 Tieghem's Pachyte, the phello- 

 derma; c/. Exome ; Endomix'ia 

 (/it^is-, a mingling), the inter- 

 mingling of nuclear and cyto- 

 plasmic substances within the cell ; 

 reorganization without conjugation 

 (Woodruff) ; Endopet'rion, growing 

 in the interstices of rock (Gams) ; 

 endophlo'ic (<^Aoid?, bark), of the 

 inner bark; En'doplasts (TrAoards, 

 moulded), certain bodies in the 

 centroplasm of the blue-green algae 

 (Fritch); Entorhiz'oid (pt'^a, a 

 root ; dhos, resemblance), a rhizoid 

 from the foot of the seta of a moss 

 and growing down within the 

 tissue of the gametophyte ; the 

 root of the sporophyte ; endoscop'ic 

 (a/fOTretu, I see), the apical pole of 

 a plant-embryo when turned 

 towards the base of the archegon- 

 ium, as in seed-plants (Bower) ; 

 End'osome, a vesicle at or near ita 

 centre, containing chromatin ; Endo- 

 sphaerosi'ra, a small form of male 

 plant in Volvox (Janet) ; End'otroph 

 [rpo<j)rj, food), a parasitic fungus 

 feeding internally on its host; 

 Endothiobacter'ia (^flov, sulphur, 

 -f Bacteria), bacteria which tem- 

 porarily store sulphur within their 

 cells; Endothioleuka'ceae, colour- 

 less sulphur bacteria : Endothio- 

 rhoda'ceae, purple sulphur bacteria ; 

 En'gram (ypa/^/ia, a letter), the ten- 

 dency in the nucleus of a somatic 

 cell to be transferred to a sexual 

 cell so as to transmit the special 

 structure or function (Semon). 



enne'asome, enne'aploid with nine 

 chromosomes (Blakeslee). 



435 



