A 
GLOSSARY 
OF 
BOTANIC TERMS 
a, privative; in Greek compounds= 
without, as apetalous, without 
petals; modified into an- or am- 
for euphony. 
ab (Lat.), from; as abnormal, a 
deviation from rule. 
abax’ial (ab, axis, an axle); (1) ap- 
plied to an embryo which is out of 
the axis of the seed by one-sided 
thickness of the albumen; (2) the 
side of a lateral organ away from 
the axis. 
abbre’viated, abbrevia'tus, shortened, 
as when one part is shorter than 
another ; Abbrevia'tion, « selection 
of those most frequently used will 
be found in the Appendix. 
aber’rant, aber'rans (aberro, I go 
astray), differing from usual struc- 
ture, departing from the type. 
Aberra‘tion, non-typical structure. 
abiet’ic (Abies, a fir-tree), used of 
certain coniferous products which 
are not exclusively from Abies ; ~ 
Anhy’‘dride, the resin in turpentine ; 
~ Acid, a compound of the last with 
water, forming a large proportion 
of the constituents of frankincense : 
Ab’ietin, resin from Abies pectinata, 
DC., and Ab‘ietite, a sugar from 
the leaves of the same species ; 
abieti/nus (Lat., made of fir), ap- 
plied to cryptogams which (1) 
grow on firs, or (2) resemble a 
fir-tree in habit, as Alsia abietina, 
Sulliv. 
Abiogen’esis (a, not; Blos, life; yéveous, 
beginning), spontaneous genera- 
tion; the assumed origin of living 
organisms from non-living matter. 
Abjec’tion (abjectio, throwing away), 
casting off spores from a sporo- 
phore. 
A 
abjoint’ (ab+joint), to delimit by 
septa or joints; a hybrid word. 
Abjunc’tion (abjunctus, unyoked), 
cutting off spores on portions of 
growing hyphae by septa. : 
Ablacta’tion (ablacto, I wean), in- 
arching. 
Ablaquea'tion, Ablaquea’tio, loosening 
the soil round trees. 
ablast‘ic (a, not; Bdacrds, a bud or 
shoot), applied to parts of a flower 
or other organ which have not been 
developed ; ablas'tous, without germ 
or bud. 
Abnoda’tion (abnodo, to clear of knots), 
cutting away knots from trees. 
abnorm’al, abnorma'lis (abnormis, ir- 
regular), deviating from rule, as 
when stamens are opposite the 
petals instead of being alternate. 
aborig’inal (ab, from ; orzgo, a source), 
indigenous ; not introduced. 
Abor’tion (abortio, a miscarriage), 
non-formation or incompletion of 
a part; abort/ive, abort:’vus, im- 
perfectly developed, as abortive 
stamens when filaments only ; 
abort’iens, becoming abortive. 
abra’ded, abra’sus, rubbed or scraped 
ff. 
off. 
abrupt’, abrup'tus, suddenly ending 
as though broken off; abrupt’ly- 
acuminate, having a point arising 
from a broad extremity; ~ pin’nate, 
a pinnate leaf ending with = pair 
of leaflets. 
Ab’sciss-lay’er, a layer of separation, 
especially with reference to the 
phenomena of defoliation. 
Abscis’sion (abscissus, cut off), detach- 
ment of spores from a sporophore 
by the disappearance of a connect- 
ing zone. 
