348 



INDEX AND GLOSSARY 



India-rubber plant, 246, 250, 251,269. 



India wheat, 305. 



Indusium, 173. 



Inflorescence : mode of flower-bearing : 

 less properly, a flower-cluster, (246). 



Insects and flowers, 131. 



Internode: space between two joints or 

 nodes, (64). 



Inulin, 246. 



Involucre : a whorl of small leaves or 

 bracts standing close underneath a 

 flower or flower-cluster, (278) 



Iodine test for starch, 31, 249. 



Ipecac, 246. 



Ipomoea, 328, Figs. 217, 485, 486. 



Iris, 297, Fig. 437; leaf, 269; stems, 259. 



Irregular flower : some parts in one 

 series different, (258). 



Irrigation, 207. 



Iron, 72. 



Isoetes, 193. 



Ivy, 251, 261, 269, Figs. 162, 411 ; Kenil- 

 worth, 332, Fig. 493. 



Jack-in-the-Pulpit, 141, 251, 290, Fig. 226. 



Jamestown- weed, 331, Fig. 248. 



Jerusalem artichoke, 338. 



Jewel-weed, 158, 314, Fig. 462, 463. 



Jimson-weed, 331, Fig. 248, 



Joe Pye weed, 340. 



Jonquil, 295. 



Juneberries and birds, 161. 



Juniper, 156, 289. 



Karyokinesis: indirect division or trans- 

 formation of the nucleus, being one 

 means of cell multiplication ; mitosis, 

 239, (393). 



Kentucky coffee tree, 96. 



Knotweed, 125, 136, 306, Fig. 193. 



Labiataa, 326. Labiate, 137. 



Laboratory advice, 240. 



Lactose, 245. 



Lactuca Scariola, 50, 356. 



Lady's-slipper, 140, Fig. 225. 



Lanceolate, 94. 



Landscape and plants, 202. 



Larch, 288; European, 288. 



Larix Americana, 288; decidua, 288. 



Larkspur, double, Fig. 233; flower, 131, 

 Figs. 208-210; fruit, 148, Figs. 243, 244. 



Lathyrus, 233, 317, Figs. 222, 246. 



Layer: a branch which takes root and 

 gives rise to an independent plant, (55). 



Leaf, fall of, 97; how to tell, 98. 



Leaflet : one part in a compound leaf, 



(192) . 



Leaf -scars, 37, 273. 

 Leaves, arrangement of, 46 ; fall of, 225, 



271 ; general account, 90 ; propagation 



by, 22; structure, 269. 

 Legume : simple pericarp dehiscing on 



both sutures, (290). 

 Leguminosae, 316. 

 Lemon acid, 246. 

 Lens, 126, Figs. 198, 200. 

 Lenticels, 266. 

 Leonurus Cardiaca, 328. 

 Lepidium Virginicum, 312. 

 Lettuce, experiment with, 78; wild, 50, 356. 

 Leucoium vernum, 296. 

 Levulose, 245. 

 Lichen, 88, 176, 186. 

 Life-history: sum of the events in the 



life of a plant, (7). 

 Light and plants, 42, 215. 

 Ligneous : woody, (11). 

 Lignin, 236. 

 Ligule of isoetes, 194. 

 Lilac bushes, 100; bud, 41; inflorescence, 



119; phyllotaxy, 49. 

 Lilies, bulblets, 22, Fig. 30; offsets, 21. 

 Lilium, 291, 292, Figs. 30, 429. 

 Lily, 291; bulb, 33; calla, 290, Fig. 427; 



Chinese sacred, 295, Fig. 435; Easter, 



291; tiger, 292, Fig. 30; white, 291; 



flowers, 138. 



Lily-of-the-valley, 19, 294. 

 Linaria, 332, Fig. 493. 

 Linear, 94. 

 Linin, 239. 

 Linnaaus, 276. 



Liverleaf, 309. Liverworts, 186. 

 Living matter, making of, 74. 

 Lobed, 92. 



Locule: compartment of a pistil, (285). 

 Loculicidal: dehiscence between the par- 

 titions, (292). 

 Locust buds, 37; honey, leaves, 95; 



honey, tree, 63 ; sleep of, 50 ; thorns, 

 Lodicule, 146. [105. 



Lonicera, 333, 334, Figs. 85, 495. 

 Lotus, Fig. 135; starch, 248. 

 Lucerne, 318, Fig. 470. 

 Lychnis Coronaria, 308; Githago, 308. 

 Lycopersicum esculentuin, 330, Fig. 186. 



