I N D E X. 



503 



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, 

 253, 254; stem, 252 ; tis- 

 sues, 255. 



Kaulfussia asamica, 252. 



Kitaibelia vitifolia, 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.) 

 Lejoiisia mediterranea, Fig. 



5i. 



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, 197; sporan- 

 gium, 194. 



Leptothrix, 25. 



Lesson ia, 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, 2 90; 

 leaves, 289; macrospores, 

 294 ; microspores, 293 ; 

 name, origin of, 196 ; 

 phyllotaxis, 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. 

 340.) 



Liliiflorae, empirical dia- 

 gram, 439. 



L ilium 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. 



