86 
Mas'totd— T eat-like. 
Math — A n old term for “crop”: as after- 
math, the Beuond mowing, and latter- 
math, the last mown crop. 
Ma'teical — B elonging to the matrix. 
Matuti'nhs — T aking place in the morning 
only, as the expansion of certain flowers. 
MATUiiA TiOis — The in'oce.ss of ripening ; 
also the time when fruits are ri])e. 
Medul'la — P ith. AlstJ in the seed, em- 
ployed as a synonym for “Perisper- 
niiimi/’ 
Medul'lary, MEnrLLO'sus— Synonym for 
“Pithy.” The medullary rays are 
vertical plates of collular tiss-ie, which 
l^roceed from the pith to the surface, 
and are characteristic of the stems of 
Exogenr-. The medullary sheath is a 
thin zone of vascular tisvsue imiiiedtately 
surrounding the pitiu It abinuids in 
spiral vesseh, and is in direct connec- 
tion, when young, with the leaf-buds 
and branches, with the petioles and 
veins of the le.aves, and other ramifica- 
tions of the system. Like the |)itb, it 
gradually di-'^api^ears iu old wood. 
Me'gas — I n coinposition, “great,” as 
MEGACE'PiiALrs, great-headed, and 
]Megaspkr' 3!A, as the large seeds of 
]\[ilk‘itia called also 
Native Wi>taria. 
MEiosTE'MONorsi, MEroBTK'iTONus— Where 
the stamens are fewer in niunber than 
the petals. 
MELANOPrnx’Lrs — Having leaves of a dark 
cok)nr. (ISwi frnit i>f Elfvodffudron 
mehiaocttri-iimy or infloroscence of Fani- 
cum. ’iitilfinaoth'ina ; also wood of 
Aatci'i Blackwood, from 
producing wood of a very dark colour. 
Several trees have received this name.) 
Mel'inus— O f a honey colour, 
Melligo— H oney -ilew ; a disease of plants 
in which an unnatural secretion of 
sv.’eet matter appears on their surface. 
Membrana'ckol’s, Mejibrana'C'eus— T hill 
and m<u'e or less transparent. Mem'- 
BRAXE, Membua'xa— A delicate pellicle 
of homogeneous tissue; also a very 
thin hjyov com]) 08 ed of celiular tissue, 
(See the frunds of Trichovunivif.) 
MEMXOXirs — A brown-black eoluur; pitch 
black. 
Meniscoid', Menibcoi'deus— R esembling a 
crescent. 
Mexstrva'lis — Existing for about a 
month. 
Men'stkl'UM— A liquor used as a dissolvent. 
Mentum — T he chin. Suiue authors apply 
this term to the spur of an orchid 
flower. 
MeiucarTu'M— O ne carpel, with part of 
the calyx investing it, iu the fruit of 
Umbelliferaj. 
Meroh— A part of anything, in connection 
with some nmueral ; as pentainerous, 
if a flower consists of organs in fives ; 
tetraiAfT'ous, if in fours, and so on. 
Me'socakv — S ynonym for “Sarcocarp.” 
Mesophyl'lig-’-Iu the middle of a leaf or 
frond. 
Mesos — T he middle ; in composition, Meso. 
Mesospo'rium, Mes'ospore— T he middle 
membrane of the coat of a spore. 
Mesophyl'lum — T he whole inner portion 
orparonchyma of leaves, aituatebetween 
the up]>er and under epidermis. 
Met'agen'esis — A kind of alternation of 
generation. 
Metkou'io — A pplied to flowei’s whose 
expansion is influenced by the state of 
the weather. 
Mex'icana — O f Mexico, as mexk 
cana, or Devil’s Fig. 
Mi'CROGONi'mA— Small gnnidia. 
Mi'crob — S mall ; in composition, Micro. 
Mi'croboma — S mall granule. 
^z=Mi'cro-millimetreb. 
Mi'ORorvLE, Micropyla (Literally, “ small 
^ate”) — The nearly closed foramen, as 
it exists ju the ripened seed ; or, in 
other words, a mark indicating the 
position of the foramen of the ovule. 
iVrTNTA'Tus— Of a vermilion colour. Pure 
red with a little yellow. (See flowers 
of Tritonici miniatn.) 
Min'tma— 1^‘^a.it, as Passir(o/‘a. minitna. 
IVIiTis — Mild, soft, u.s Aij'm'cus mitis. 
Mi'tra— A bonnet. Used synonymously 
W’ith “Galea,” for “ Helmet.” Mi'tri- 
FORM, Mitrifor'mis— C onical, and 
somewhat dilated at the base. (See 
Mitrafit.chie flowers.) 
Mm —Millimetres. 
Mo'bilr — C apable of spontaneous move- 
ment. 
Mo'bilis — M ovable, variable. Synonym 
for “ Versatilis.” M obility — The 
power of motion, us in Sensation plant. 
ModehtI'S — M odest. Aorcin- uwdesta. 
Modi'oll'S — The nave of a wheel. 
Modioltb’Or'mis— N ave-shaped, (See 
fruit f)f the naturalized weed, Modiola 
niroUniana:) 
Molenpina'CEUvB— M ill sailshaped ; having 
many wings projecting from a convex 
surface, as the fruit of Monuija. 
Mol'lib — S of t. (See the leaves <if Domheya 
mollis.) 
Molvccexsis — B elonging to the ^Moluccas, 
as Compa molui'censi^. 
Monilieor'mis— N eokiace-like ; where a 
cylindiic body is conti'acted at regular 
intervals, as many legumes. (See pods 
of Suylm'rf.) 
Mo'bob — A lone. “ Mono,” in comiKumds, 
signifies “one.” As Monadel'phIxV ; 
the stamens having their hlanieuts 
united together ro as to form a ring 
round the pistil ; M oNAX'jnua, Moxan'- 
IJBBS, apjjlicd to Uower:* which have but 
a single Htamen ; Monooaii'peus, when 
a i)lant bears fruit once only during' its 
existence ; ■Monoceph'alib, where 
Howers are diapo.sed in single heads or 
umbels ; IVIONOCluaMv'DELB, where a 
flower has one wboil only to the 
perianth ; Monocotvle'i >ons, plants 
having only one cotyledon ; Moxce'- 
cious, when the male and female 
fiowers are distinct, but on the same 
plant (see the Melon or Pumpkin, or 
theinflorescence of theCastor-oiipIant); 
