/ N-D E X. 



303 



taxis, 322 ; pollen-sacs, 

 325. 



Juniperus attacked by Roes- 

 telia, 131. 



Juniperus communis, 320, 

 322, 325 ; cone, 329 ; fer- 

 tilisation, 335. (F'igs. 253, 

 262.) 



Juniperus Sabina, fruit, 329. 



Juniperus sibirica, 335. 



Juniperus virginiana, 322, 

 333 ; pollen-tube, 336. 



Justicia, pollen-tube, 367. 



Kaulfussia, epidermis, 255 ; 

 fundamental tissue, 255; 

 leaves, 253 ; sporangia, 

 253) 254; stem, 252; tis- 

 sues, 255. 



Kaulfussia asamica, 252. 



Kitaibelia vitifolia, epicalyx, 

 352. 



Klugia montana, inflores- 

 cence, 409. 



Klugia notoniana, 409. 



Labiatae, 47 1 ; anther-lobes, 

 355; didynamy, 359; dis- 

 sepiments, 375 ; embryo- 

 sac, 389, 393; endosperm, 

 461 ; floral axis, 348 ; 

 flower, 424, 425, 426 ; 

 fruit, 427 ; inflorescence, 

 409; nectary, 381 ; seeds, 

 430, 445 ; stamens, 348, 

 358, 360; style, 379. 



Labiatiflorae, 121, 471. 



Labium (Isoetes), 289. 



Lactarius, laticiferous tubes, 



135- 



Lactic acid, 24. 



Lamellae, 132. 



Lamina, 453. 



Laminaria, 66. 



Lammaria Cloustoni, 68, 69. 

 (Fig. 43-) 



Laminaria digitata, 68 note. 



Laminaria flexicaulis, 68. 



Laminaria saccharina, 69. 



Laminarieae, 65, 68; pro- 

 pagation, 69 ; secondary 

 growth, 3 ; thallus, 68, 69. 



Lamium album. Fig. 285. 



Lamium amplexicaule, cle- 

 istogamous flowers, 404 ; 

 leaves, 453. 



Larix, 339 ; archesporium, 

 332 ; branching, 320; cone, 

 328, 339; leaf-structures, 

 345 ; leaves, 322 ; sus- 

 pensor, 338. 



Larix Europaea, Fig. 260. 



Lathraea, endosperm, 460 ; 

 floral diagram, 414. 



Lathraea squamaria,Fig. 343. 

 Laurineae, 468. 

 Leaf-scars, 208. 

 Leaf- spines, 453. 

 Leaf-tendrils, 453. 

 Lecanora, 1 24. 

 Lecanora pallida, 119. 

 Legume, 428. 

 Leguminosae, 471. 

 Lejeunia, branching, 156; 



capsule, 152. 

 Lejoiisia, fructification, 78. 



(I^'ig. 5.) 

 Lejoiisia mediterranea, Fig. 



51- 

 Lemanea, 74, 76. 

 Lemaneae, 75. 

 Lemna, 28; branching, 434; 



flower, 440; ovules, 441. 

 Lemna trisulca, 40, 434. 

 Lempholemma, 124. 

 Lentibularieae, 471. 

 Lepidium, floral diagram, 



4.6. 

 Lepidodendreae, 193. 

 Lepidodendron, 196, 281 ; 



affinities, 281 note. 

 Lepidodendron Rhadum- 



nense, stem, 281. 

 Lepidostrobus, 281, 

 Lepidozia, branching, 156. 

 Leptogium, 124. 

 Leptogium scotinum. Fig. 



77- 



Leptosporangiate Filicineae, 

 193, 194, 197; sporan- 

 gium, 194. 



Leptothrix, 25. 



Lessonia, 69. 



Leucobryaceae, leaf, 169. 



Leucobryum glaucum, stem, 

 167. 



Leucojum, endosperm, 441. 



Leucojum aestivum, Fig. 

 292. 



Leycesteria, Fig. 381, 



Libocedrus, 339; branching, 

 321 ; phyllotaxis, 322. 



Lichens, 82, 114; asci, 122 ; 

 connection with Algae, 

 114, 115; formation, 120; 

 growth, 117 ; relation of 

 hyphae to gonidia, 117; 

 sexual process, 120; sore- 

 dia, 123; spores, 120, 122, 

 123 ; symbiosis, 82. 



Lichina, 124. 



Lid-cells (stigmatic cells), 

 141. 



Ligulatae, 196, 283; apex of 

 stem, 290; divisions, 196; 

 embryo, 287; external 

 diff"erentiation, 288; grow- 

 ing point, 288; histology, 



295; lateral branches, 290; 

 leaves, 289 ; macrospores, 

 294; microspores, 293; 

 name, origin of, 196 ; 

 phyllotaxis, 290; roots, 

 291 ; sexual generation, 

 284; sporangia, 29 1 ; spore- 

 producing generation, 287. 



Ligule, 289, 352. 



Liliaceae, 443, 444 ; embryo- 

 sac, 441 ; floral formula, 

 419, 421 ; perianth, 350, 

 440; pollen-tube, 390; 

 primary root, 431. (Fig. 

 340.) 



Liliiflorae, empirical dia- 

 gram, 439. 



Lilium bulbiferum, bulbils, 

 434- 



Limb (petal), 352. 



Linmantheae, 469. 



Linaria vulgaris, adventitious 

 shoots, 452. (Fig. 343.) 



Lineae, 469 ; floral diagram, 

 419, 456; floral formula, 

 421 ; inflorescences, 409. 



Linum, false dissepiments, 

 375- 



Linum perenne, heterostyly, 

 405. 



Linum usitatissimum, seeds, 

 430. 



Loasa, endosperm, 461, 



Loaseae, 470. 



Lobelia, Fig. 383, 



Lobeliaceae, 472 ; flower, 

 425. 



Loculicidal dehiscence, 428. 



Lodicules (Gramineae), 351. 



Loganiaceae, 471. 



Lomentum, 427. 



Lonicera, lateral shoots, 451, 

 (Fig. 381.) 



Lonicera caprifolium, leaves, 



453- 



Lophocolea, germination, 

 146. 



Lophocolea bidentata, 



branching, 156. 



Loranthaceae, 472 ; inflor- 

 escence, 411; embryo-sac, 

 393 ; endosperm, 461 ; 

 ovules, 46, 385. 



Loranthus, 461. 



Loxosoma, 227. 



Lunularia, branching, 162; 

 gemmae, 148; stomata, 

 159. 



Lupinus, inflorescence, 411; 

 suspensor, 400. 



Luzula ncmorosa, inflores- 

 cence, 40S. 



Lychnis, corona, 552 ; floral 

 axis, 348. 



