INDEX 395 
Lagenaria, 370 Leptosporangiatae, 258, 352 
Lamb’s quarters, 326 Leptostomataceae, 350 
Lamiaceae, 367 Leptostroma, 347 
Lamiales, 367 Leptostromataceae, 347 
Laminaria, 200, 337 Leptothyrium, 347 
Laminariaceae, 200, 337 Lepyrodontaceae, 351 
Lamium, 306 Leskea, 351 
Lamprothamnus, 336 Leskeaceae, 351 
Land Ferns, 252, 258 Lessonia, 201 
Habit, 242 Lettuces, 377 
Lantana, 367 | Leucobryaceae, 252, 349 
Larches, 281 Leucodontaceae, 351 
Lardizabalaceae, 361 Leucomiaceae, 351 
Large Bladder Algae, 331 Leucoplasts, 2, 12 
Larix, 281, 356 Levulose, 145 
Lasiosphaeria, 343 Libocedrus, 356 
Latex, 39 Lichens, 214 
Lathyrus, 314 Lichinaceae, 340 
Laticiferous tissue, 39 Light, 106 
Lauraceae, 361 Lignin, 5, 154 
Lavandula, 367 Ligulate flowers, 312 
Lavender oil, 144 . Lilac Mildew, 225 
Laver, 207 Liliaceae, 357 
Leafy Kelp, 201 Liliales, 295, 357 
Leathery fungi, 230 Lilies, 295, 357 
Leaves, 247, 249, 255 Lilium, 295, 357 
Lecanactidaceae, 340 Limnanthaceae, 363 
Lecanora, 340 Limonene, 144 
Lecanoraceae, 340 Limonia, 363 
Lecidiaceae, 340 Linaceae, 363 
Lecythidaceae, 369 Linalool, 144 
Legume, 309 Lindens, 362 
Leitneriaceae, 361 Linin, 2 
Lejolisia, 339 Linnaea, 373 
Lemaneaceae, 338 Linoleic acid, 143 
Lembophyllaceae, 351 Linseed oil, 143 
Lemma, 297 Lipase, 153 
Lemna, 358 Lip (of orchids), 301 
Lemnaceae, 358 Lippia, 367 
Lennoaceae, 365 Liriodendron, 361 
Lentibulariaceae, 367 Lithospermum, 366 
Lenticels, 68 Little Bladder Algae, 336 
Leontodon, 312, 377 Cup-fungi, 341 
Lepidodendraceae, 354 Tubers, 221, 344 
Lepidodendrales, 269, 354 Liver starch, 147 
Lepidodendrids, 269 Liverworts, 244, 348 
Lepidodendrineae, 267, 354 Loasa, 370 
Lepidodendron, 269 Loasaceae, 370 
Lepidophyta, 266, 354 Loasales, 370 
Leptodon, 351 Lobaria, 340 
Leptogium, 216, 340 Lobelia, 373 
