INDEX 



619 



Ledum, 568 

 Legume, 459 

 Leguminosae, 556 ; leaf-cushion, 30 ; wood, 



128, 130 ; symbiosis "with bacteria, 



173, 200, 210 ; movements of, 269 

 Lemanea, 334 

 Lemma, 308, *475 ; roots, 41 ; movement, 



245, *246 

 Lemnaceae, 475 

 Lemon, Citrus Limoaum 

 Lenticels, *142, 222 

 Leocarpus, 304, *305 

 Leontodon, 598 ; flower, *268 

 Lepidium, 519 



Lepidodendreae, 422 ; thickening, 120 

 Lepidostrobus, 423 

 Lepiota, 372 



Leptome (see Sieve-tube portion) 

 Leptosporangiate Ferns, 404 

 Leptothrix, *11, *309, 312 

 Lessonia, 330 

 Lettuce, Lactuca 

 Leucadendron, 194 

 Leucin, 203 

 Leucobryum, 391 

 Leucojum, *468, 469 

 Leuconostoc, 309, 311, *312 

 Leucoplasts, 56, 59, *69 

 Levisticum, 549, 550 

 Lianes, vessels, 85 ; medullary rays, 130 ; 



thickening, *137, *138 

 Libriform fibres, 127 

 Lichen islandicus, *379, 381 

 Lichenes, 375 ; callose in, 80 ; gymnocarpi, 



378 ; angiocarpi, 380 

 Licorice, 562 



Life, duration of, 237, 238 

 Light, influence on growth, 163, *199, 



*200, 234, 267 ; heliotropism, 252 

 Lignified cell-walls, 80 

 Lignum Haematoxyli, 559 ; Juniperi, 



442 ; Quassiae, 535 ; Santali rubrum, 



562 ; Sassafras, 517 

 Ligule, *31, 476 ; Selaginella, 419 ; of 



Isoetes, 422 

 Ligvlifiorae, 598 

 Ligustrum, 573 

 Lilac, Syringa 

 Liliaceae, 465 ; adventitious buds, 19 ; 



diagram, *38 ; raphides, *72 

 Liliiflorae, *464 

 Lilioideae, 466 

 Lilium, *452, 466 

 Lily of the Valley, Gonvallaria 

 Lime-tree, Tilia 

 Lime scales on Saxifrages, 194 

 Linaceae, 532, 533 



Linaria, 583 ; Cymbalaria, 254 ; germina- 

 tion, 293 

 Linden, Tiliu. 

 Linen, 533 



Linin, 56 



Linuaea, 590 



Limmi, 287, *448, "533 



LiqiiAdauibai', 552 



Liriodendron, 515 



Lithospcrmutu, 578 



Lithium in plants, 172 



Litmus, 378 



Live-for-ever, Sedum TeUphium 



Liverworts, Hepaticae 



Loasoxeae, 526 ; stinging-hairs, 97 



Lobed leaves, 30 



Lobelia, 593 



Lobeliaeeae, 593 ; torsion, 258 



Loculicidal dehiscence, 459 



Locust, RoMnw 



Lodicules, 479 



Lodoicea, 164 



Loganiaceae, bli 



Logwood, Haematoxyloit 



Lolium, 480, *482 



Lonicera, 590 ; accessory shoots, 19 ; leaf, 

 30 



Lonicereae, 590 



Loosestrife, Lysimoj:hia 

 Spiked, Lythnim 



Lophospermum, *268 



Loranthaceae, 210, 566 



Loranthus, 567 



Lotoideae, 561 



Lotus, *559, 561 

 Sacred, Nelutnbiuni 



Lousewort, Pedicularis 



Lovage, Levisticum 



Lunaria, 519 



Lungwort, Pvhnonaria 



Lupinus, 561 



Lupulin, 99, 206 



Lupulinum, 503 



Lvzula, 465 



Lychnis, 508 ; Yiscaria, 92 



Lyeoperdon, 292, 374 



Lycopersicum, 581 



Lycopodiaceae, 400, 416 ; branching, 19 ; 

 roots, 41 ; bundles, 105 ; vegetative 

 cone, 151, 152 ; alternation of genera- 

 tion, 290 



Lycopodinae, 150, 400, 415 



Lycopodium, *19, 415, *417, *418 ; gamo- 

 stele, 111, *112, 175 



Lysigenic intercellulars, 88, 89 



Lysimachia, 571 



Lytlvraceae, 563 



Lythrum, 564 



Mace, 515 

 Madura, 125 

 Macrocystis, 330 

 Macrosporangia, 399, 409 

 Macrospores, 290, 399 ; of Sahinia, *408, 

 *409 ; of Selaginella, *419, *421 



