Microspore 'h^f The smaller kind of spore when there are two kinds. 



Midrib t^M The main central nerve of a leaf. 



Monadelphous ijif£ £§;££; Describing stamens united by their filaments into one group. 



Moniliform ftfkV\ Like a string of beads. 



Monochlamydeous iji "§£?[: Having only one kind of perianth. 



Monoecious iltPtN [ : 'j- Having unisexual flowers with both the staminate and pistillate 



borne on the same plant. 

 Monopodium ^.fft A stem with a single and continuous axis. 

 Monotypic Ip-H&J Applied to a genus having only one species. 

 Moor, moorland Mlmtfb An extensive area of marshy land covered with peat mosses 



and in which grow a variety of shrubs, chiefly of the heath family. 

 Morphological l&WM Relating to the form and structure of organisms. 

 Mucilaginous f^ Slimy. 

 Mucro M-M&J A sharp terminal point. 

 Mucronate H^ Having a short straight point. 

 Mucronulate J^/hfs^ Having a little mucro. 

 Multifid #giKj Cleft into many parts. 



Multiple fruit |£f J^ A fruit resulting from several flowers in one mass. 

 Muriculate $%&$& Roughened with very fine hard tubercles. 

 Mutant m£M Sport. 



Naked bud $p c ^p One lacking the usual covering of bud scales. 

 Naturalized !l#fbfi^ Introduced from a foreign country and flourishing wild. 

 Navicular -fc^ Boat-shaped. 

 Nee Tf-fK Not (Latin). 



Nectaries ^H Organs which secrete nectar. 

 Nectariferous &W$k Nectar-bearing. 

 Nerve M. An unbranched vein or slender rib. 



Net-veined $H$:M Reticulated, with a system of irregularly crossing veins. 

 Neuter 4ffif4^ Without sex. 

 Nigrescent Sft: Turning black. 



Node jjp The place on a stem where leaves are borne. 

 Nodose BjJJfc Nobby. 



Nucellus $fci\j The central tissue of an ovary. 

 Nut M^ A hard indehiscent one-seeded fruit. 

 Nutlet /.MSI! A small hard one-seeded fruit. 



Obcompressed _LTIifi*J Flattened from top to bottom, not from side to side. 

 Obcordate M>tj# Inversely heart-shaped, with a notch at apex. 

 Obdiplostemonous £f-$mft$ffi*j Where the stamens are twice as many as the petals, 



the outer whorl being opposite the petals. 

 Oblanceolate fSJ^ft^ When the broadest part of a lanceolate blade is nearer the tip 



than the base. 

 Oblique fi£4 With unequal sides. 

 Obovate jS|]#P^ When the broadest part of an ovate blade is nearer the tip than the 



base. 

 Obsolete f$£cfi<j Rudimentary or scarcely apparent. 

 Obtuse $$fy Blunt or rounded at the end. 

 Obtusish Bfti£ Somewhat obtuse. 



Ocrea (pi. ocreae) ft|g$l A tubular stipule, as in Polygonum. 

 Odd-pinnate ifW^^MM Pinnate, with a single terminal leaflet. 



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