INDEX 



431 



Monoecious, 160, 204. 

 Monopodial branching, 119-20. 

 Monotropa, 3567. 

 Moor-grass, Purple, 368. 

 Moorland plants, 3907. 

 Moschatel, 343. 

 Mosses, 220, 221, 231. 

 Motile organs, 149. 

 Mountain Ash, 121. 

 Movements of flowers and fruits, 

 152-5. 



of plants, 142. 



protective, 148, 152. 

 Mulberry, 210, 219. 

 Musk, 256. 



Mustard, 25, 27, (Fig. 11), 28, 

 238. 



Hedge, 378. 

 Mycelium, 3 54-5 . 

 Mycorrhiza, 355-7, (Fig. 229A). 

 Myosotis, 250, 378. 

 Myrrhis, 247. 

 Myrsiphyllum, 147. 



Narcissus, 267. 



Nardus, 367. 



Narthecium, 266. 



Nasturtium, Garden, 97, 173, 



(Fig. 118). 

 Nectaries, 160, 198, 206. 



extra floral, 206, 258, 340, 



(Fig. 219), 365. 

 on ovaries, 164, 174, 175, 177, 



179, 181, 195, 197, 206. 

 on petals, 166, (Fig. 112), 186, 



(Fig. 130), 188, 198, 206. 

 on receptacle, 169, 170, 171, 

 172, (Figs. 117, 118), 173, 

 183, 206. 

 on sepals, 206. 



on stamens, 16, 172, 185, (Fig. 

 127), 206. 

 Neottia, 356. 

 Nepenthes, 365. 

 Nepeta, 254. 

 Nettle, Hemp, 254, 379. 



Stinging, 68, 343, 353, 361, 379. 

 Neutral grass-land, 368. 

 Nicotiana, 254. 

 Nicotine, 254. 

 Nigella, 238. 



Nightshade, Deadly, 255, 354. 

 Enchanter's, 225, 354. 



Nightshade, Woody, 116, 182-3, 

 (Fig. 125), 225, 254, 263, 



341, 389- 

 Nipplewort, 379. 

 Nitrates, 325. 

 Nitrification, 325-6. 

 Nitrites, 325. 

 Nitro-bacteria, 325-6. 

 Nucellus, 207, (Figs. 140-1). 

 Nucleus, 48, (Fig. 11), 209, (Fig. 



142). 

 Nutation, 143. 

 Nutlets, 212, (Figs. 144-7). 

 Nutrition, 55-8. 



in insectivorous plants, 361-6. 

 in leguminous plants, 245, 



326. 

 in parasites, 358-61. 

 in saprophytes, 355-7. 

 Nuts, 211, 212, (Fig. 143), 226, 

 283, (Fig. 187), 291. 



Oak, 14, 116, 122, 159, 192, 204, 

 205, 236, 291, 294, (Figs. 

 192-4), 337, 345. 



Pedunculate, 291-2, 294. 



Sessile, 291-2, 294. 

 Oak woods, 347-52. 



dry, 347- 



moist, 348, 349. 

 Oat, 34, 214, 265. 

 Obdiplostemonous, 241. 

 Oenanthe, 247, 343. 

 Oil stored in seeds, 23. 

 Oil-bodies on seeds, 226, (Fig. 



161). 

 Onion, 34, 86, 266. 

 Ononis, 246, 379, 380, 386. 

 Ophrys, 269. 

 Orache, 378, 387. 

 Orange, 211, 218. 

 Orchidaceae, 268-9. 

 Orchids, 198, 203, 221, 268-9. 

 Orchis, Bee, 269. 



Bird's-nest, 356-7. 



Butterfly, 269. 



Early Purple, 198-200, (Fig. 

 137). 269, 343, 349. 



Fly, 269. 



Spider, 269. 



Spotted, 269. 

 Order, 231. 

 Origanum, 252. 



