USED IN THIS WORK. 603 
oO 
Mesacgrp.rrecsecsssereressMiddle covering of the fruit. 
Moniliform ..ccrcrcereoeee Necklace-shaped, cylindrical or terete and con- 
tracted at regular intervals. 
Monochlamydeous ..,.,,Having but one floral envelope. 
Monocotyledonous ...... Having only one cotyledon, or if two are pre- 
sent then having one much smaller than the 
other and on a different level. 
Monopetalous ........004. Having all the petals united by their edges. 
Monosepalous .......+.+ +Having the sepals all united into one body by 
their edges. : 
Mucous ..... Nib seceseaeed Covered with a slimy secretion, or with a coat 
that is readily soluble in water and becomes 
slimy. 
Mucronate ........+00...-Abruptly terminated by a hard short point. 
Muricated ..cccccccocsees Furnished with numerous short hard excres- 
cences. 
Multifid ....ccccccsser ...Cut half way into many segments. 
N, 
Naked-seeds...0ssssereeee Seeds having no pericarpial covering, as in coni- 
fers and cycads. 
Needle-shaped............Linear. rigid, tapering to 4 fine point from a 
narrow base. 
Nerves cssccercoese seantwess The ribs or principal veins of a leaf. | 
Nodose, Nodulose ......Knotted; an irregular form of necklace-shaped ; 
chiefly applied to roots. 
Nuculanium «+... ...-Applied to the fruit of the medlar. Having nu- 
cules, sometimes applied to the grape. The 
nucule is the hard carpel in the medlar. 
Nut vccopsecconerseee «seeeeeA hard indehiscent pericarp, usually containing 
only one seed. 
0. 
Obcordate .s.ccsssssoveee Inversely heart-shaped, that is with the divisions 
of the heart at the opposite end from the stalk. 
Obsolete ...++4+ seaeesseeee Imperfectly developed or abortive: applied to 
the calyx when it isin the form of a rim. 
OblONG ..serpnesserecneecese Elliptical obtuse at each end. 
Obtusge ......00 pa sabesecens Blunt or round; thus, obtusely crenated, is when 
Obverse-lunate....+s0se0+ Inversely crescent-shaped; that is to say, with 
Obvolute ...sssessoeeees ...Margins of one leaf alternately over-lapping 
those of the leaf opposite to it. 
Opaque ...esserseeeeeeees The reverse of shining; dull: not the reverse 
of transparent. 
Opposite ...0.-seerereeers Placed on opposite sides of some other body or 
thing and on the same plane. Thus, when 
leaves are opposite, they are on opposite 
sides of the stem; when petals are opposite 
they are on opposite sides of the flowers ; an 
am so on. : 
Orbicular....... sesseceeeeePerfectly circular. 
