820 



INDEX 



Monkshood, 326. 



Monocarpic, 6. 



Monochasium, 93. 



Monochlamydeous, 83. 



Monoclinous, 87. 



Monocotyledons, ai, 69, 81, 328. 



Monoecious, 87. 



Monomorphic, 682. 



Monotropa, 225. 



Morello cherry (Fig. 19), 49, 50, 67, 



264, 400. 

 Morphine, 167. 

 Morphology, 3. 

 Mosaic-hybrids, 287. 

 Mosses, 324. 

 Mountain ash, 66, 405. 

 Movements of growth, 247-257. 



^induced, 250-257. 



spontaneous, 247. 



Mucocelluloses, 161. 



Mucor, 689 {Fig. 230). 



Mucronate, 71, 



Mulberry, 96. 



Multilocular ovary, 86 (Fig. 38). 



Mushroom, 740 (Figs, 251, 252). 



Mussel plum, 264. 



Mustard black, 38T, 386 (Fig. 123). 



seed of, 641. 



white, 16, 383, 386 (Figs. 5, 123). 



seed of, 642. 



Mustard-oil, 382, 383. 

 Mycelium, 677. 

 Mycetozoa, 323. 

 Mycorhiza, 226, 

 MyosoHs, 93, 327, 676. 

 Myrosin, 23r, 382. 

 Myronate of potassium, 382. 

 Myxamoeba, 766 (Fig. 259). 

 Myxomycetes, 323, 765. 



Naked barley, sor. 



buds, 39. 



flower, 83. 



oat, 493. 



Napiform root, 28. 



Narcissus, 73, 268, 287, 310, 329. 



Nardus, 547, 552. 



Nectar, 282. 



Nectarines, 305. 



Nectary, 282. 



Negative-pressure, 188. 



Neottia, 208, 225. 



Nepal wheat, 503, 



Net-veined, 69. 



Nettle, dead, 74. 



stinging, 4, 187, 610. 



Newmarket oat, 497, 



Nicotine, 167. 



Nightshade, 468. 



Nipplewort, 597 (Fig. 199), 649. 



Nitragin, 802. 



Nitrates, 218. 



Nitrification, 789. 



Nitrobacter, 789. 



Nitrogen, 171. 



Nitrobacterine, 802. 



fixation of, 793-803. 



sources of, 172, 217. 



Nitrogenous organicsubstances, 154, 165. 

 Nitrogenous reserve-materials, 224. 

 Niirosomonas, 789. 

 Nodes, 28, 34. 



Nodules, 796 (Figs. 264, 265). 

 Non-essential elements, 175. 

 Non-essential parts of flower, 83. 

 Non - nitrogenous organic substances, 



iSS- 

 Non-septate hyphae, 678. 

 Nonsuch clover, 429, 646. 

 Notching, 261. 



Nottingham long-eared barley, 506. 

 Nucellus, 271 (Figs. 98, 99, loi). 

 Nucleus, 107 (Fig. 49). 

 Nut, 96. 

 Nutation, 247. 

 Nyctitropic movements, 252. 



Oak, 66, 124, 128, 135 (Fig. 64), 263. 

 Oat, 92, 314, 317, 493-499. 



varieties of, 495-498. 



wild, 493, 539 (Fig. 155), 602. 



Oat-grass, golden, 539 (Figs. 178, 213), 



5S5-668. 

 Oat-grass, downy, 540. 



narrow-leaved, 540. 



tall, 536 (Fig. 176), 555, 669. 



^yellow, 539. 



Obligate, 775. 

 Obtuse, 71. 

 Ocbrea, 326. 

 Oenanihe, 455. 

 Oidia, 680. 



Oidivm, 749, 757, 758. 

 Oil, essential, 163. 



fixed, 163, 224, 231. 



^volatile, 163. 



Old common barley, 506. ' 

 One-grained wheat, 516 (Fig. 167). 

 Onion, 19 (Figs. 6, 24), 58, 59, 69, 91, 



223, 276. 

 Onion-couch, 536. 

 Oitobrychis, 432, 439. 



