240 



INDEX 



Medullary rays, in tangential sec- 

 tion, 179, *181 



, transverse section, 179, 



*180 



,of barks, *172, *173, 176 



, roots, *159, 161 



, woods, 179, *180, *181 



, origin of, 80, 124 



, walls of, 124 



Membranous tissues, 88, 184 



Mercuric chloride solution, 2, 228 



Mercuric potassium iodide solu- 

 tion, 227 



Meristematic tissues, 77 



Mesocarp, 198 



Mesophyll, *185, *186, 188 



Methods for sectioning, 1 



Metric objectives, 36 



Microcrystals, 146, *149 



Micrometers, filar, *216, 217 



, ocular, 214 



, stage, 214 



, standardization of, 215 



Micromillimeter, 217 



Micron, 217 



Microphotographic apparatus, 52, 

 *53 



Microscope, compound, 33, *42 



, dissecting, *31, *32, 32 



, formation of images by, *34 



, lamps, 222, *222 



, mechanical parts, 41, *42 



, optical parts, 35, *42 



, optics of, *34 



, simple, 31, *31, *32 



Microtome, hand, 7, 8, *8, *9 



, knives, 1Q 



, razor, 7 



, rotary, 8, *11 



sections, 8 



, sliding, 8, *9, *11 



, technic, 12 



Millon's reagent, 228 

 Mirror, 39, *42 

 Mitosis, 74, *75 

 Molds for paraffin, 6, *6 

 Monocotyledonous rhizomes, *165, 

 183 



roots, 151, *153 



stems, 163, *165 

 Mounting in canada balsam, 23 

 glycerin jelly, 21 



media, 20 



of specimens, 19 

 Mucilage cells, *139, 148, 209 

 Multicellular hairs, 95, *96, *97, 



*98 



organisms, 70 

 Multiseriate hairs, 95, *97, *98 



N 



Neighboring cells, *116, 117 

 Nicol prisms, 220 

 Nonglandular hairs, 94, *96, *97, 



*98 



Noninfiltrated specimens, 15 

 Nonprotoplasmic cell contents, 73 

 Nosepiece, *42, 43 

 Nucleoli, *71, 72 

 Nucleus, *71, 72 

 Numerical aperture, 38 



, table of, 230 

 Nutrients, manufacture of, 132 



O 



Object clamp, 8 



Objectives, *42 



, construction, 35 



, correction in, 48 



, diameter of field, 230 



, immersion, 37 



, indication of power, 35 



, magnifications, 230 



, numerical aperture of, 38, 230 



