Quadrant 



quincuncial 



of an English yard (Clements) ; 

 Chart ^ , with the position of each 

 plant marked ; denu'ded -^ , the 

 original plants cleared away ; ma'jor 

 '-' , a square of four units, each side 

 being two metres ; Per'quadrat, one 

 of sixteen metres ; per'manent -^ • 

 intended for study from year to 

 year; quadricap'sular (+CapsXjla), 

 having four capsules ; quadricotyle- 

 do'neus ( + Cotyledon), apparently 

 with four cotyledons, each normal 

 cotyledon being divided to the base ; 

 quadricru'ral, quadricru'ris {cms, 

 cruris, a leg), with four supports ; 

 quadriden'tate, {dentatus, toothed), 

 having four teeth ; quadridigita'to- 

 pinna'tus {digitus, a finger), with 

 four digitate divisions, each of which 

 is pinnate ; quadridigita'tus, divided 

 into four divisions ; Quadriere^mns 

 ( + Eremus) = CoENOBiuM ; quad- 

 rifar'ious, -rius (Lat., fourfold), in 

 four ranks, as leaves ; quad'rifid, 

 quadrif'idus (Lat.), four-cleft, to 

 about the middle or below ; quad'- 

 rifoil {folium, a leaf) = quadrlfo'li- 

 ate, when the petiole bears four 

 leaflets at the same point ; quadri- 

 fo'liolate, strictly, with four sub- 

 ordinate leaflets, but sometimes used 

 as an equivalent of quadrifoliate ; 

 quadrifur'cate {furcatus, forked), 

 dividing into four branches ; quad- 

 rigem'inate {getninus, a twin), grow- 

 ing in fours ; quadrihila'tus ( + 

 Hilum), having four apertures, as 

 in some pollen-grains ; quadriju'- 

 gate, quadrijuga'tus, quadriju'gous, 

 'gus {jugum, a yoke), having four 

 pairs of leaflets; quadrilo'bate {lobus, 

 a lobe), with four lobes ; quadriloo'- 

 ular {loculus, a little space), having 

 four cells, as some anthers ; quad'- 

 rinate, quadrina'tus, quadri'nus, 

 with four leaflets at the end of a 

 petiole, in a digitate arrangement ; 

 quadrinu'cleate ( -f Nucleus), used 

 of a cell with four nuclei, from the 

 division of a binucleate cell ; quad- 

 ripar'tite, quadriparti'tus, {partitus, 

 diyided), four-cleft, nearly to the 

 base ; quadriphyriouB {<pv\\ov, a 



leaf) = quadrifoliate ; quadripo'lar 

 {polus, a pole), in nuclear division, 

 when, four daughter nuclei arise at 

 the same time ; quadriv'alent {valeo, 

 to be eff"ective), (1) applied to a cell 

 which divides into four daughter 

 cells ; (2) --' Chro'mosomes, having 

 four chromosomes in one, theoreti- 

 cally; cf. bivalent; quad'rivalve, 

 quadrivalv'ular {valva, a door-leaf), 

 four-valved. 



quaquaver'sal {qua^ica, wheresoever ; 

 verso, I turn round), directed or 

 bending in every direction. 



Quar'tospore {quartus, fourth; triropo, 

 a seed), C. MacMillan's term for a 

 spore enclosing protective and more 

 or less vegetative cells as in Riccia ; 

 Quar'tine, a fourth integument of 

 some ovules, "in reality a mere 

 layer of either the secundine or" 

 nucellus (Lindley). 



quasiradia'tus % {quasi, as though ; 

 radiatus, spoked), slightly radiant, 

 as where the florets of the ray in 

 some Compositae are small and in- 

 conspicuous. 



Quas'sine, a bitter principle in quassia 

 wood. 



quater'nary, quater'nate, qvxderna'tus 

 iquaternarius, consisting of four), 

 an arrangement in fours) ; quater'- 

 ni (Lat., by fours), growing four 

 together. 



Querce'tum, an association of oaks, 

 Quercus ; '^ Ro'huri = consisting of 

 Q. Rohur, etc. ; Quer'cite, a gluco- 

 side derived from acorns, sweet like 

 sugar, but not fermenting with yeast. 



Quer'citrin, a glucoside in quercitron 

 bark ; its colouring matter, and a 

 commercial dye-stuff". 



Quetelet'-Gal'ton Curve. See New^to- 

 NiAN Curve. 



quilled, normally ligulate florets which 

 have become tubular. 



qui'nary {quini, five each), in fives ; 

 qui'nate, quina'tus, growing to- 

 gether in fives, as leaflets from the 

 same point. 



quincun'cial {quiTicuncialis, contain- 

 ing five-twelfths), (1) arranged in 

 a quincunx ; (2) in aestivation 



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