Melanophyll (ADDITIONS) mycelioid 
standing), the intermediate pro- 
ducts of metabolism, comprising 
(a) Awastates, formed during 
anabolism, and (b) KarTastTaTEs, 
during katabolism (Parker). 
Mel’anophyll, the chief colouring 
matter of Diatoms (Warming, 
Handbook, Engl. ed., p. 18). 
Menthol’ogist (Mentha, débyos, dis- 
course), an expert or writer on 
mints, the genus Mentha. 
merenchy’matous, belonging to or 
like MerrncHyMa. 
Mesomel'itae, pl. (me/, honey), Hux- 
ley’s term for a series of Gentianeae 
which have honey-glands in the 
central portion of the flower; 
cf. PERIMELITAE; Mesopet’alum 
(wéradov, a flower-leaf). Pfitzer’s 
term for the LAaBELLUM of Orchids ; 
Mesomyce’tes (uv«ys, a mushroom), 
a group intermediate between 
Phycomycetes and the higher 
Fungi (Warming). 
Mes’tome-bun’dle, a fibro - vascular 
bundle; ~ Sheath, bundle-sheath. 
metabio'tic, relating to Mrraziosis. 
Metab’olite, a product of metabolism. 
Metachlamyd’eae (yAauvs, a cloak), 
Engler’s term for GAMOPETALAE ; 
Metader’ma (dépua, a skin), a 
modified tissue which takes the 
place of cork in some structures, 
chiefly of the root, but does not 
possess the properties of cork 
(A. Meyer) ; Metanthe’sis (dv@naxs, 
flowering), retarded floral develop- 
ment, as opposed to PROANTHESIS 
(Wittrock) ; metatop’ic (ro7os, a 
place), refers to imbricate bud- 
covering which has departed from 
the course of the normal genetic 
spiral, by secondary development 
(Pax). 
Microbacte’ria, pl. ( + Bacterium), 
minute bacteria ; Microbiol’ogy 
(+ BroLoey), used by Duclaux for 
the biology of bacteria and 
and enzymes; Microfun’gi (+ 
Founaus),Microli’chens (+ Lichen) ; 
Micropar’asites (+ PaRasiTt), 
minute organisms belonging to 
their respective categories ; Mi’- 
cron, a micromillimetre ; Micro- 
phytol’ogy (+ Puyrotocy) used 
chiefly of bacteriology, but also 
applied to any branch which is 
entirely dependent on microscopic 
research, 
micropy’lar, relating to the Micro- 
PYLE ; ~ Scar, the spot on the ripe 
seed occupied by the micropyle 
(Kerner) ; micropyliferous (fero, I 
bear) Tube = ExostomE; Micro- 
spor ophore (+ SPOROPHORE), an 
organ which bears MICROSPORES. 
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). 
mni‘oid, add, (2) used by E. New- 
man as resembling any kind of 
Moss. 
mon’eroid, like the genus Monera 
in which the protoplasm forms 
the whole structureless body of 
the fully developed organism, 
which is devoid of a nucleus; a 
presumed protistoid body. 
Mon’ad, occasionally used for Zoo- 
SPORE ; monan’dreous, having but 
one perfect stamen, as most Orchids 
(S. Moore); Monan’dry, the con- 
dition in question ; monocor’mic 
(xopuos,a trunk), expressive of those 
trees which have one main axis 
bearing lateral branches of bilateral 
structure (A. H. Burtt) ; Monogen’- 
esis (yéveows, beginning), non-sexual 
reproduction ; adj. monogenet'ic ; 
Monog’ony (-yovos, offspring), means 
the same ; monosi’phonous (cigwr, 
a tube), consisting of a single tube 
as some Algae ; monosiphonic. 
Mos’sing, covering decorticated 
trunks with moss, to induce the 
production of renewed bark in 
Cinchona culture. 
Mu'corine, mucedinous, resembling 
the genus Mucor. 
Mycelia’tion, taking on the aspect or 
form of Mycriium (A. 8. Wilson) ; 
myce’lioid (eidos, resemblance), re- 
sembling a mycelium (Archer), 
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