Abscission 



accrete 



Abscis^sion [abscissus, cut off), detach- ' 

 ment of spores from a sporophore I 

 by the disappearance of a connecting 

 zone. 



absinth'ic, referring to Artemisia 

 Absinthium, Linn. ; Absinth'in, a 

 bitter principle obtained from the 

 same. 



ab 'solute (a65o^w'<w5, perfect, complete), 

 actual, the opposite of relative. The 

 absolute direction of an embryo may 

 be inverted, but erect relatively to 

 the carpel. 



Absorp'tion {absorp'tio, a swallowing), 

 the act of imbibing liquids or gases. 



Abstric'tion (a6, from, stricius, drawn 

 together), a term which covers both 

 Abj unction and Abscission. 



abys'sal {Hfiva-ffos, bottomless), abplied 

 to organisms existing in the aepths 

 of the ocean (Warming). 



ftcalycalis (o, not ; KdKv^, a cup) ; (1) 

 having no calyx ; (2) having no ad- 

 hesion to the calyx ; acarycine, 

 acalyc'inous, acalyci'nus, acal'ycis, 

 destitute of calyx. 



acana'ceous (S/favo?, a thistle-head ; + 

 ACEOUs), used of prickly plants, such 

 as thistles. 



Acanth'a, Acan'thon {i.KayOa, a thorn), 

 a spine or prickle ; acantha''ceous 

 ( + ACEOUs), (1) armed with prickles ; 

 (2) belonging to the natural order 

 Acantha'ceae, the typical genus 

 being ^cawiA'M5,Toum.; acanth'ine, 

 pertaining to that genus ; acan- 

 thocarp'ous {Kapirhs, fruit), having 

 spiny fruit ; acanthocla'dous (kXc£5os, 

 a branch), acanthocla'dus, with 

 s[4ny branches ; acanthopb/orous, 

 {<(>4p<M>, I bear), acanthoph'orits, 

 spine-bearing ; aoanthop'odous {irovs, 

 troShs, a foot), having petiole or 

 peduncle furnished with spines or 

 prickles ; Acanth'ospberes {<T<paipa, 

 a sphere), ciliated bodies in the 

 cells of Nitella, termed "Stachel- 

 kiigeln " by the Germans. 



Ac'aro-doma tia {Aca,rvs, the typical 

 genus of mites ; Sw/xdnoy, a little 

 Eotise), formations on plants adapted 

 to shelter Acari when they are of 

 service to the host. 



2 



Acaroph'ily {(piKcw, I love), mutual ad- 

 vantages between plants and mites ; 

 adj.,, acaroph'ilous ; acaropbyt'ic 

 {(pvrov, a plant), harbouring mites ; 

 Acaropbyt'isiu is the condition 

 itself. 



acarpotrop'ic ( + carpotropic), not 

 throwing off its fruits. 



acarp'ous (a, not ; K^p-irhs, fruit), des- 

 titute of fruit. 



acaulesc'ent, acaulesc'ens, becoming 

 stemless ; acaurine, acanrose, 

 acaurous, acaul'is, stemless or 

 seemingly so ; Acaulo'sia, abnormal 

 deficieucy of stem. 



accessor'ial, accessor^ ius, specially ap- 

 plied to those' branches of Pitho- 

 phora arising from near the base 

 of the mother-cell (Wittrock). 



Acces'sory (Accessio), an: addition or 

 appendage ; -^ Buds, those addi- 

 tional to the axillary and normal 

 buds, and frequently assuming their 

 function ; '- Branches, those which 

 spring from the foregoing ; --' Cell, 

 the sister-cell of a guard-cell of a 

 stoma ; -' Fruits, parts which are 

 conspicuous but form no part of the 

 pistil, as the enlarged torus of the 

 strawberry ; a ps'^udo-carp ; -' Gon- 

 id'ia, formations occurring in Muco- 

 rini besides the typical gonidia ; 

 '^ Indu'sium, when the margin of 

 a fern-frond is inflexed over the 

 sorus. 



accident'al = adventitioit.s. 



acci'sus (Lat.) denotes an end having 

 an acute sinus between two rounded 

 angles. 



Acclima'tion {nc — ad, to, clima, 

 climate), used by L. H. Bailey for 

 the natural process of becoming 

 inured to a climate at first harm- 

 ful ; Acclimatiza'tion, is preferred 

 for scientific use, especially when 

 denoting human action in inuring 

 plants to a strange climate. 



Accommoda'tion (accommodalio, an 

 adjustment). Adaptation. 



accresc'ent, accresc'eris, increasing in 

 size with age, as the calyx of some 

 plants after flowering. 



accrete' {accre'tusy grown together), 



