I NDE X. 



53 



taxis, 322 ; pollen -sacs, 

 325. 



Juniperus attacked by Roes- 

 telia, 131. 



Juniperus communis, 320, 

 322, 325; cone, 329 ; fer- 

 tilisation, 335. (Figs. 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, 

 2 53> 2 54? stem, 252 ; tis- 

 sues, 255. 



Kaulfussia asamica, 252. 



Kitaibelia vitiiolia, epicalyx, 

 352. 



Klugia montana, inflores- 

 cence, 409. 



Klugia notoniana, 409. 



Labiatae, 471 ; 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. 

 Laminaria 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, 124. 

 Lecanora pallida, 119. 

 Legume, 428. 

 Leguminosae, 471. 

 Lejeunia, branching, 156; 



capsule, 152. 

 Lejolisia, fructification, 78. 



(Fig- 5-) 

 Lejolisia 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, 



416. 



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) !975 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 

 differentiation, 288; grow- 

 ing point, 288; histology, 



295; lateral branches, 290; 

 leaves, 289; macrospores, 

 294 ; microspores, 293 ; 

 name, origin of, 196 ; 

 ph)llotaxis, 290; roots, 

 291 ; sexual generation, 

 284; sporangia, 291 ; 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. 



34.) 



Liliiflorae, empirical dia- 

 gram, 439. 



Lilium bulbiferum, bulbils, 



434. 



Limb (petal), 352. 

 Limnantheae, 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, 



45. 

 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 nemorosa, inflores- 

 cence, 408. 



Lychnis, corona, 352 ; floral 

 axis, 348. 



