malacophilous (SUPPLEMENT) Merogamy 
pollinated by slugs and snails ; 
adj, malacoph‘ilous. 
malpighia’ceous, relating to Malpig- 
hiaceae; as the peculiar hairs of 
many species, 
mammil'liform (forma, shape), ap- 
plied to those papillate protuber- 
ances on a petal, which give it a 
velvety appearance. 
Mannocell’ulose( + CELLULOSE), a con- 
stituent of gymnosperm wood, 
which on hydrolysis yields abund- 
ant Mannosz (Bertrand). 
Man’tle-fi’bres, A. A. Lawson’s term 
for the fibres of the nuclear-spindle. 
marattia’ceous, akin to or resembling 
the fern genus Marattia. 
marsu’pioid (eldos, resemblance) = 
MARSUPIAL. 
Mass, pl. Mass’es, used by Sir J. 
E. Smith for Sonus, Sori. 
Mas’tigospores, -ae (+ Spore), plants 
with flagellate spores (Clements), 
me’dian Bract’eole, one inserted at 
the middle of the pedicel; ~ 
Chor’isis, the multiplication of a 
single organ in the median plane ; ~ 
zygomorph’ous, capable of division 
into similar halves by a plane pass- 
ing through the middle; ¢/f. 
SAGITTAL SECTION, 
Med‘ioform (medius, middle, + Form), 
an intermediate form not due to 
hybridity (Kuntze); Medioloc’oform 
(locus, a place), a local MEDIOFORM 
(Kuntze). 
medul’lary Casts, impressions of the 
internal cavity of Calamites in solid 
material; medull’ated, possessing 
pith. 
Megachlor’oplast ( + CHLOROPLAST), 
compound chlorophyll granules in 
Tillandsia, composed of Micro- 
CHLOROPLASTS (Billings); Mega- 
phyl'lidae (¢vAXov,2 leaf), the Ferns, 
as possessing broad fronds ; mega- 
phyl'lous, leaves or leaf-like expan- 
sions large (Jeffrey). 
Megaplan’ogamete( + PLANOGAMETE), 
Brebner’s term for a ‘arge plano- 
gamete, presumably female; Mega- 
sporang’ium (+ SPoRaNnGiuM), the 
correct form of MAcROSPORANGIUM; 
¥ 
megather’mic, the correct form of 
macrother’mic, requiring much 
heat, as tropical plants. 
Megazo’ospore ( + ZoosPore), a motile 
spore, larger than those termed 
MIcROZOOSPORES. 
Mei’ostates (yelwv, less, orards, a 
standing), the intermediate pro- 
ducts of metabolism, comprising 
(a) Anastates, formed during 
anabolism, and (b) KarastaTzs, 
during katabolism (Parker). 
melangeoph’ilus (y7, earth, puréw, I 
live), dwelling in loam ; Melangeo- 
phy’ta (¢urov, a plant), loam plants ; 
Melangeophy’tia, loam or alluvium 
plant formations (Clements) ; 
Mel'anin, black pigment of bacteria; 
Mel‘anophyll, the chief colouring 
matter of Diatoms (Warming, 
Handbook, Engl. ed., p. 18). 
Menthol’ogist (Mentha, dJbyos, dis- 
course), an expert or writer on 
mints, the genus Mentha. 
merenchy’matous, belonging to or 
like MerrrncuyMa;  mericy’clic 
(kdkdos, a circle), occupying a 
part only of the diameter,, as 
spirally-arranged leaves (Cela- 
kovsky); Mer‘iphyte (gurdv, a 
plant), employed by Lignier for 
the vascular tissue of the leaf; 
Mer‘iplast (7Aacros, moulded), a 
protoplast in a polyplast which 
remains distinct, and does not fuse 
with its fellows (Pirotta). 
meris‘moid (eléos, resemblance), 
having a likeness to the fungus- 
genus Merisma. 
Merispor’ocyst (xvoris, a bag), the 
simple or branched Sporocyst of 
Cephalideae, considered as a de- 
parture from the type of fructifica- 
tion of the Mucoraceae (Vuillemin); 
Mer’istele, restricted by Brebner, 
by excluding AcTINOSTKLE and 
HaAposteLe from it; further par- 
ticularized into DI-, EU-, HAPLO-, 
MONO-, TETRA-, TRI-MERISTELIC 
types; Merog’amy (ydmos, mar- 
riage), reduced autophagy, which 
does not require the parcicipation 
of the whole of a second gamete, 
337 
