Metaxylem 
(SUPPLEMENT) 
Monandry 
organisms (Jones); Metaxy’lem 
(+Xyiem), the central wood as 
distinguished from the peripheral 
xylem-strands (Scott). 
Microaplan'ospore (+ APLANOSPORE), 
non-motile spores of small size, 
possibly due to unfavourable sur- 
roundings (Thaxter) ; Microbac- 
ter’ia, pl. (+ Bacterium), minute 
bacteria ; Microbiol’ogy (+ Bio- 
LoGY), used by Duclaux for the 
biology of bacteria and enzymes ; 
Microchlor’oplast( + CHLOROPLAST), 
chlorophyll granules in Tillandsia 
of minute size, constituting Mraa- 
CHLORopLastTs (Billings) ; Micro- 
conid’ia (+ Conipta), conidia of 
small size found in fungi on sugar- 
cane, Saccharum ; Microfun’gi (+ 
Founevs), Microli’chens (+ Lichen) ; 
Micropar’asites (+ Parasirs), 
minute organisms belonging to 
their respective categories ; Mi’- 
cron, a micromillimetre ; micro- 
phyl'lous (¢vAdov, a leaf), small 
leaved ; Mic’rophyte, (2) used by 
Schimper for the smallest Algae, 
as Diatoms; Microphytol’ogy (+ 
Puytouocy), used chiefly of bac- 
teriology, but also applied to any 
branch which is entirely dependent 
on microscopic research ; micro- 
py lar, relating to the MIcRoPYLE ; 
~ Scar, the spot on the ripe 
seed occupied by the micropyle 
(Kerner) ; micropyliferous (/fero, I 
bear) Tube = Exostome; Micro- 
sporophore (+ SPoROPHORE), an 
organ which bears Microsporzs ; 
microthermoph’ilus (¢:\éw, I love), 
dwelling in boreal regions ; Micro- 
thermophy’ta (gurdv, a _ plant), 
boreal p'ants [note the distinction 
from Microtuerms, p. 159]; Mi- 
crothermophy tia, boreal plant for- 
mations (Clements) ; microtrich’al, 
microtrich’ous (Oplé, rpiyos, hair), 
used of pubescence when so minute 
as to be observable only under the | 
microscope, but sometimes per- 
ceptible to the touch (Williams) ; 
microzooph’ilous (+ ZOOPHILOUS), 
pollinated by insects and other 
small animals (Hansgirg) ; Mik’ro- 
flora (+Fiora), the alpine flora, 
especially when massed and small 
in size (Freshfield). 
Mid’body, a translation of the Germ. 
‘«Zwischenkérper,” probably the 
homologue of the cell-plate in the 
higher plants (Timberlake). 
Migra’tion (migratio, change of habi- 
tation), movement of plants by 
invasion, becoming denizens of 
places in which they are not native. 
Mist’oform (mistus, mixed, + Form), 
a hybrid or cross from forms which 
themselves have varied from the 
original; Mistopro’liform (proles, 
offspring), fertile hybrids of Misto- 
FORMS (Kuntze). 
Mix’ie (uitis, a mingling), Maire’s 
term for the fusion of two similar 
nuclei; the product he terms 
Mix’ote ; Mix’otroph (rpo¢, food), 
applied to any plant whose insuffi- 
cient chlorophyll contents does 
not ensure a proper assimilation 
(Pfeffer). 
Mne’mon (yvijuwv, unforgetting), 
Coutagne’s term for the elemen- 
tary factors of heredity. 
mni’oid, add, (2) used by E. New- 
man as resembling any kind of 
Moss. 
Modifica‘tion Forms, inconstant varia- 
tions due to alteration in external 
conditions (Hedlund). 
Monacrorhi’zae (d&xpos, at the end, 
plfa, a root), plants whose roots 
are derived from a single mother- 
cell, as most vascular cryptogams, 
except Lycopodium and Isoétes(Van 
Tieghem) ; adj. monac’rorhize ; mo- 
nax’ial (+ AXIAL), applied to a 
nuclear spindle of one axis, but 
not necessarily ending in fixed 
points (Hof) ; moner’gic, an abbre- 
viation of monergid’ic, consisting 
of one energid, that is, one unit or 
nucleus (Goebel) ; Mon’ad, occa- 
sionally used for ZoospoRe ; mon- 
an‘dreous, having but one perfect 
stamen, as most orchids (S. Moore) ; 
Monan'dry, the condition in ques- 
tion. 
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