photokinetic 



Phrygana 



induced by light ; photokine'tic 

 {kIvtjtikSs, having the power of 

 movement), moving in consequence 

 of the stimulus of light ; Photo- 

 le'psy (A7)»|/is, a seizing), catching 

 the light ; Wiesner's equivalent for 

 the German '* Lichtgenuss" ; Pho- 

 torysis (Aucis, a loosing), the 

 arrangement of chlorophyll granules 

 under the stimulus of light, includ- 

 ing both apostrophe and epistrophe ; 

 Photom'eter, an instrument for 

 measuring the amount of light ; 

 photomet'ric {fx^Tpov, a measure), 

 (1) applied to organisms which turn 

 either end to the direction of the 

 light-rays ; (2) leaves which assume 

 a definite position in light, to obtain 

 the most of it, or to screen them- 

 selves from too much (Wiesner) ; 

 Photom'etry, the response to the 

 amount of light (Oltmanns) ; Pho- 

 tomorpho'sis (fj.6p<pco<Tis, configura- 

 tion), that kind of mechanomorpho- 

 sis which depends upon light as the 

 cause ; Photonas'ty {uaarhs, pressed 

 close), one-sided growth in length of 

 an organ, due to tlie unrestricted 

 action of light (De Vries) ; adj. 

 photonaB'tic ; Photop'athy {rrddos, 

 suffering) = Phototaxis; photo- 

 ph'ilic = PHOTOPHiLOUS ; photo- 

 ph'ilous {<pi\€w, I love), sun-loving 

 plants ; Photoph'obism (<po$4w, I 

 fear), avoidance of light; photo- 

 ph'ygous {<i>vyi), flight), applied to 

 shade plants ; Photoplagiot'ropy 

 {irKdyios, placed sideways; rporr^, a 

 turning), a tendency to arrangement 

 obliquely towards incident light 

 (Goebel) ; adj. photaplagiotrop'ic ; 

 Photosyn'tax {a-wrd^u, I put to- 

 gether), the formation of complex 

 carbon compounds from simple ones 

 under the influence of light (Barnes); 

 Photosyn'thesis (aui'deo'is, a putting 

 together), a proposed emendation 

 of ' ' pTioto-syntax " ; phototac'tic 

 (ra/cTt/cbs, qualified to arrange in 

 order), Strasburger's term for taking 

 up a definite position with regard to 

 the direction of liglit-rays ; Photo- 

 tax'is {rd^ii, order), the definite 



self-arrangement of organisms under 

 the stimulus of light ; phototon'io 

 {t6vos, tension), the increasing irri- 

 tability by the influence of light ; 

 Photot'onus, (1) the normal mobile 

 condition resulting from the alter- 

 nation .of day and night ; (2) pro- 

 posed by Nagel for botanic use in- 

 stead of Photokinesis, which is 

 considered more appropriate for zoo- 

 logic use ; Photot'ropliy {Tpo<p^ 

 food), unequal increase on one side 

 of an organ, due to the incidence of 

 light in relation to the parent shoot 

 (Oltmanns) ; Photot'ropism (rpovi],'- 

 a turning), a synonym of Helio- 

 TROPiSM ; Pho'tram (coined by anal- 

 ogy, of Spectrum), S. L. Moore's 

 term for the whole scale of illumina- 

 tion afl'ecting Photolysis ; Pho'to- 

 type (tuitos, a type), a photograph 

 of a type specimen ; an abbreviation 

 of the word Photograph'tJtypo 

 (M. Kellerman). 



Phrag'ma, pi. Phrag'mata {(ppdy/xa, 

 an enclosure), a spurious dissepi- 

 ment in fruits ; Phrag'matospore 

 {criropa, a seed), a multicellular spore, 

 capable of germinating from more 

 than one point (A. Braun) ; phrag'- 

 mifer {/ero, I bear), phrag'miger, 

 phragmig'eTUS {gero, I bear), divided" 

 by partitions ; Phragmite'tam, 

 Warming's term for an association 

 of reeds, Phragmites ; Phragiao- 

 bas'id, Phragmobasid'ia, pi. (-|- 

 Basid), septate basidia in Basidio- 

 mycetes (Van Tieghera) ; Phrag'mo- 

 plast {vKaffrhs, moulded), Nemec's 

 term for a connecting spindle between 

 two nuclei in the same cell which 

 is sometimes produced ; Phragmo- 

 spo'reae ( -f Spore) used of t ungi 

 whose spores are multiseptute 

 (Traverso). 



Phreti'um {<ppr)riov, a water tank), 

 a tank formation ; phretoph'iluB 

 {<pi\4w, I love), dwelling in tanks ; 

 Phretophy'ta {<pvrhv, a plant), tank 

 plants (Clements). 



Phry'gana, pi. {<t>piyava, sticks for 

 firewood), an old term for prickly 

 and stiff under-shrubs. 



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