INDEX 



405 



Marestail, air-passages of, *173. 

 Mechanics of monocotyledonous 



stems, *84, 85. 

 Medullary ray, 45, *101. 

 Melon, palmately netted-veined 



leaf of, »133. 

 Melon-cactus, 78, *80. 

 Messmates, 340. 

 Mesophytes, 317, 318. 

 Mesquite, root-system of, 48. 

 Metabolism, 165-176. 

 Metabolism, digestive, 172. 

 Micropyle, 6. 



Microsphsera, study of, 263, 264. 

 Microspores, *302. 

 Microsporophyll, 302. 

 Midrib, *133. 



Mildews, powdery, 263, *264. 

 Mimicry, 347, 348. 

 Mineral matter accumulated in tbe 



leaf, 165. 

 Mistletoe, 337. 

 Modified leaves, 121. 

 Moisture-plants, 311-313. 

 Monadelphous, 202, *204. 

 Monocotyledonous plants, 34, 233. 

 Monocotyledonous stems, *83, *84, 



*85, 86. 

 Monocotyledonous stems, growth 



of, in thickness, 85, 86. 

 Monocotyledonous stems, rise of 



vrater in, *110. 

 Monocotyledons, 233. 

 Monoecious, 200. 

 Monotropa, 169. 

 Morning-glory, rate of increase of, 



390, 391. 

 Morphology, 1, 33. 

 Moss, study of, 281-285. 

 Mosses, 281-285*. 

 Moths, *361, 362. 



Mould, black, study of, 257, 258, 



259. 

 Movement of water in plants, 107, 



*108, «109, *110, 111, 112, 113. 

 Movements of floral organs, *365, 



*366. 

 Movements of leaves, *144, *145, 



*146. 

 Movements toward light, 148. 

 Mucronate, *131. 

 Mulberry, »226. 

 Mullein, hairs from corolla of, 



*361. 

 Multiple fruits, *226. 

 Multiple primary roots, 14. 

 Musci, 232. 



Mushroom, study of, 264-266*. 

 Mutilated seedlings, growth of, 14. 

 Mycelium, 257, *258. 

 Mykorhiza, 342. 

 Myrsiphyllum, 79, *81. 

 Myxogasteres, 232. 

 Myxothallophytes, 232, 233. 



Naked buds, 121. 



Nasturtium leaves, starch in, *170. 



Natural selection, 394, 395. 



Nectar, 356. 



Nectar-glands, 356. 



Nectar-guides, 358. 



Nectaries, 357. 



Negundo, radial and cross-sections 



of stem of, *89. 

 Nemalion, study of, 253, 254, *255. 

 Netted-veined, *133. 

 Nettle, stinging hair of, *184. 

 Nightshade, leaf of, *349. 

 Nitella, study of, 247-250. 

 Nitrogen, 171, 340. 

 Nocturnal position, *144, *145. 

 Node; 31, 32, 83. 



