PHYSIOLOGY AND STRUCTURE OF TREES AND SHRUBS. 
. Pitted cells, Mulberry, Jforus 
nigra. 
. Scots Pine, Pinus sylvestris, 
. Larch, Larix ewropea. 
. Norway Spruce, Abies excelsa. 
. Resinous canals in Wellingtonia 
gigantea. 
. Resinouscanalsin Abies Menziesii. 
. Thuja orientalis. 
. Cedrus atlantica. 
. Taxodium sempervirens. 
. Abies pectinata. 
. Abies Pinsapo. 
. “sculus Hippocastanum. 
. KRhamnus catharticus. 
. Celtis australis, 
. Ulex europea. 
. Ilex aquifolium. 
. Quercus Suber. 
. Fagus sylvatica. 
. Tang. sect., Cedar of Lebanon, 
Cedrus Libani. 
. Tang. sect., Indian Cedar, Cedrus 
Deodara. 
. Tang. sect., Chili Pine, Arau- 
caria excelsa. 
48. Tang. sect., Oak, Quercus pedun- 
culata. 
49. Tang. sect., Beech, Fagus syl- 
vatican. 
50. Tang. sect., Sycamore, Acer 
Pseudo-Piatanus. 
51. Tang. sect., Horse-Chestnut, 
A sculus Hippocastanum. 
52. Tang. sect., Pear, Pyrus com- 
munis. 
. Tang. sect., medullary tubes of 
Wellingtonia gigantea, 
54. Tang. sect., Weymouth Pine, 
Pinus Strobus. 
55. Long. sect., pitted cells in Nor- 
. Lawson’s 
way Spruce. 
. Long.sect. medullary raysin Oak. 
. Seedling, Common Oak, Quercus 
Robur. 
Cypress, Cupressus 
Lawsoniana. 
Bark, wood, and pith, Pinus 
Pinaster. 
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NID OV wmorHo 
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115 
. First year’s growth of Oak. 
. Bark, wood, and pith of young 
Scots Fir. 
. Alder, Alnus glutinosa, 
. Elm, Ulmus campestris. 
. Aleppo Pine, Pinus halepensis. 
. Root of Hawthorn, 
. Root of Beech. 
. Root of Alder. 
. Root of Cedar of Lebanon, 
. Root of Birch. 
. Root of Mountain Ash. 
- Root of Whin. 
. Root of Oak. 
. Root of Scots Fir, first year’s 
growth, 
. Root of Fern. 
. Adventitious root of Ivy. 
. Petiole of leaf of Magnolia. 
. Petiole of leaf of Magnolia 
grandiflora. 
78. Leaf of Ficus elastica. 
a I 
we) 
. Leaf of Pinus Pinaster. 
. Leaf of Pinus sylvestris. 
81. Spiral tissue from Vine, Vitis 
vinifera. 
82, Spiral tissue from leaf of Crinum 
amabile. 
83. Leaf of Luculyptus globulus. 
84. Leaf of Boxwood, showing 
stomata. 
. Acer campestris. 
. Acer Pseudo-Platanus, 
. Pyrus communis. 
. Sambucus nigra. 
. Long. sect., Ilex aquifolium. 
. Pith of Aralia papyrifera. 
. Phillyrea media, 
. Traveller’s Joy, Clematis Vitalba, 
. Lime, T%lia parvifolia. 
. Weymouth Pine, Pinus Strobus. 
. Blue Gum, Zucalyptus globulus. 
. Fungus from a Geranium. 
. Hippuris vulgaris. 
. Ovary of Rhododendron. 
- Root of Common Dock. 
. Tree 
Fern, Dicksonia anti- 
artica, 
