INDEX. 



199 



a cup, and Lat. forma form; Lat. corolla a 

 little crown), 115. 



Hypogynous Exogens (Gr. upo, and gyne a 

 female, exogens growing outwards), a sub- 

 class of Lindley, 189. 



Icosandria (Gr. eikosi twenty, and andres males), 



118; Class XII. of Linnams, 152, 163; the 



order, 153 et passim. 

 Illicium anisatum (Lat. illicio to allure, and ani- 



tum the herb anise), 13. 

 Ilpa oil, whence expressed, 46. 

 Imbricated scales of the leaf-bud, 104. 

 Indian corn, oil secreted from, 45. 

 India-rubber, produced from vegetable juice, 31. 

 India-rubber fig-tree, milk vessels of the, 29. 

 Indigo, a vegetable dye, 54. 

 Indigofera tinctoria (Lat. Indica Indian, and 



fero to bear ; tinctus i dye), 54. 

 Inflorescence of plants, .05 ; the various terms, 



processes, and specimens of, 105 et seq. ; the 



different members of, 179 et seq. 

 Inter-cellular spaces of plants, 12 ; importance 



of, ib. 

 Involucre (Lat. involucrum a covering), the com. 



mon, 109. 

 Iris (Gr. "the rainbow"), starch grains of the, 



38; stomata of the, 61. 

 Ivory nut, sections of its bark, and thick wall 



cells, 13. 



J 

 Jasminum grandiflorum (Gr. ia a violet, and 



ostne smell ; Lat. " superbly flowered "), oil 



of the, 47. 

 Juglans regia (Lat. Jovis glans the nut of Jove, 



and regia royal), the wall-nut, 26. 

 Juncales (Lat. juncus, a rush), 187. 

 Jungermannia (from Louis Jungermari), fibres of 



the, 7; fructification of the, 144174. 

 Jussieu, the distinguished promoter of botanical 



classification, 3. 



K 



Kew, botanical gardens of, 3. 

 Kino, tannic acid obtained from, 50. 

 Kiriaghuma, milky juices of the, 30. 

 Kokum butter, whence obtained, 46. 

 Kutch, tannic acid obtained from, 50. 



Lac, a resinous secretion, 48, 49 ; various species 



of, 49. 



Lace tree, bark of the, 21, 78. 

 Lacticiferous vessels (Lat. lac milk, and fero to 



bear), 28, 29 ; their great utility, 30. 

 Lagetta lintearia (the name in Jamaica; Lat. 



lintearia lint-like), the lace tree, 21, 78. 

 Lamina, the blade of the leaf, 96. 



Lanceolate leaf, 96. 



Larch bark, tannic acid obtained from, 50. 



Lavandula (Lat. lavo to wash), lavender oil, 47. 



Leaf-bud of plants, 103, 104. 



Leaves, stomata of, 61 et seq. ; of endogenous 

 plants, 90; definition of the term, 92 ; venation 

 of, 98 ; cellular structure of, 94 ; their forms, 

 95 et seq. ; consist of two parts the petiole 

 and the lamina, 96 ; divided into simple and 

 compound, 96 ; the distinguishing features of 

 plants, 179. 



Leek, cells from the flowering stems of the, 9. 



Leeuwenhoeck's botanical investigations, 36. 



Legumen, pulse, 133, 134. 



Lemons, oil of, 47. 



Leontodon (Gr. leontos and odous the lion's 

 tooth), the dandelion, 28. 



Liber, the vascular part of the bark of trees, 78. 



Lichens, characteristics of, 145 ; description of, 

 174. 



Lichenales, 186. 



Lily, transverse structure of its leaf, 60; stomata 

 of the, 62 ; naked bulb of the, 71 ; stamen of 

 the, 118. 



Liliales, 187. 



Lime tree, ducts of the, 27 ; raphides from its 

 bark, 42. 



Limnocharis Plumeri (Gr. limne a marsh, and 

 charis dear), air-chambers of the, 12. 



L. Humboldtii, milk vessels of the, 29, 30. 



Liudley, Dr., his classification of fruits, 131 ; his 

 natural system of plants, 184 et seq. 



Linnaeus, the great promoter of botanical sci- 

 ence, 3 ; his system of classification by Classes 

 and Orders, 151172; his sexual system, 152. 

 On the practical application of his system, 176 

 et seq. 



Linseed oil, a vegetable secretion, 44, 45. 



Linum (Lat. "the flax plant"), woody fibre of 

 the, 19. 



Liverworts, foliaceous organs of the, 144, 145 ; 

 description of, 174. 



Loculicidal dehiscence of fruit, 131. 



Logwood, a vegetable dye, 54. 



Lycopodium aphodium (Gr. lykos a wolf, and 

 pous a foot; apo from, and odous a tooth), 

 142. 



Lycopodales, 186. 



Lyrate-shaped leaf, 97. 



Madder, a vegetable dye, 54. 

 Mallow, monodelphous stamens of the, 117. 

 Malvales (Lat. malva the herb Mallows), 189. 

 Mandiocca farinha, starch secreted from the, 33 

 Manure, silicious contents of, 57. 

 Maple tree, the sugar-yielding, 23 ; section ol 

 the, 75. 



