374 



ESSENTIALS OF BOTANY 



Medicinal plants, 335, 336. 

 Medullary ray, *68, *70, *71, *72, 



*73, 74. 

 Megaspore, *301. 

 Megasporophyll, 302. 

 Melon, palmately netted-veined leaf 



of, *99. 

 Melon-cactus, 61, *n7. 

 Mesophytes, 114, 118. 

 Micropyle, 5. 



Microsphsera, type study, 250-252*. 

 Microspores, *301. 

 Microsporophyll, 302. 

 Midrib, 98. 

 Mineral matter accumulated in the 



leaf, 135. 

 Mnium, type study, 272-277*. 

 Mold, black, type study, 246-249*. 

 Monadelphous, *154. 

 Monocotyledonous plants, 28, 211. 

 Monocotyledonous stems, *65, 66, 



67. 

 Monocotyledonous stems, growth 



of, in thicltness, 67. 

 Monocotyledons, 211. 

 Moncecious, 149. 

 Monotropa, 139. 

 Morohella, *252, *253. 

 Morel, *252, *253. 

 Morning-glory, rate of increase of, 



201, 202. 

 Morphology, 1, 27. 

 Mosaic, leaf, 106, *107. 

 Mosses, 272-279*. 

 Moths, *174. 

 Movement of water in plants, 39, 



40, 46-48* 78-81, *81. 

 Movements of floral organs, *170, 



*177. 

 Movements of leaves, 108-112*. 



Movements toward light. 111, 112. 

 Mucronate, App. I, *356. 

 Mulberry, *189. 

 Multiple fruits, *189, 190. 

 Mushroom, type study, *260, *261. 

 Mutilated seedlings, growth of, 12, 



*13. 

 Mycelium, *247, *251. 

 Myrsiphyllum, *62. 



Naked buds, *88. 



Nasturtium leaves, starch in, 139, 



*140. 

 Nasturtium, study of, 1-8. 

 Natural selection, 206. 

 Nectar, 170. 



Nectar-glands, 170, *171. 

 Nectar-guides, 172. 

 Nectaries, 170. 

 Negundo, radial and cross-sections 



of stem of, *70. 

 Netted-veined, *98, *99. 

 Nettle, stinging hair of, *126. 

 Nightshade, leaf of, *124. 

 Nitrogen, 140. 



Nocturnal position, *109, *110. 

 Node, 26, 65. 

 Nucleus, *43, *222. 

 Nucleus of root-hair, *46. 

 Nut, *186. 

 Nutrient substances, 137-140. 



Oak leaves, arrangement of, 105, 



*106. 

 Oat, root-system of, 39. 

 Obcordate, App. I, *356. 

 Obovate, App. I, *355. 

 Obtuse, App. I,. *356. 

 Odors of flowers, 170, 171. 

 Offensive-smelling plants, 125. 



