yiii 



CONTENTS. 



PAOK 



OBOANS or PLANTS 57 



The Stem, and the Vegetable Nodes . 58 



Stems of Herbaceous Plants ... 59 



Cuticle of Herbs 60 



Stomata of Plants 61 



Number of Stomata found on the 



leaves of different Plants .... 63 



Hairs of Plants 65 



Prickles and Scurf 68 



The Ramenta and Glands .... 69 



Stems of Plants 70 



The Conn and Bulb 71 



Bulb of the Lily 71 



Aerial Stems The Sucker, the Run- 

 ner, the Ginger Plant, <fcc. .- . . 72 

 Wooded Stems The Beech Tree, &c. 73, 74 



EXOGENOUS STEMS The Pith, &c. . 75 



Medullary Sheath 76 



Medullary Rays and the Bark ... 77 

 Bark of the Lace Tree ..... 78 

 The Wood, and its annual growth . 79, 80 

 Sections of Exogenous Stems, exhi- 

 biting each year's growth .... 81 

 Immense Growth of Trees .... 82 



Longevity of Trees 83 



Cellular Structure of Trees ... 84, 85 



ENDOGENOUS STEMS 86 



Cuticle of Endogenous Stems ... 87 



The Vascular Structure 88 



Pith of Endogenous Plants .... 89 



Descending Axis or Root of Plants . 90 



The Pandanus, or Screw Pine . . . 91 



Appendages of the Stem 92 



LEAVES OF PLANTS 93 



Forms of Leaves 95 



Simple Leaves QQ 



Arrow-headed Leaf of the Sagittaria . 98 



Compound Leaves 99 



Leaves of the Gleiditzia, the Chestnut, 



and the Strawberry 99 



Pinnate Leaves .... JQO 

 The Petiole, or Foot-stalk of the 



Leaf 



101 



FAOI 



Stipules of Leaves 103 



Pitchers of various Plants .... 103 

 The Ochrea, or Sheath of the Stem . 103 



The Leaf-bud 103,104 



Imbricated Scales of Leaves ... 104 



OBOANS OF REPRODUCTION .... 105 



The INFLORESCENCE 105 



The Receptacle the Spike and the 



Raceme 105, 106 



The Bract the Cupule the Spathe 



the Involucre the Perianth and 



the Calyx 108, 109 



The Corolla, and the Petals . . . .112 

 Representation of a perfect Rose . .113 

 Sexual organs of the Flower . . . .116 



The Stamens 116 



The Filament the Anther the Pol- 



len and the Fovilla . . . 118 121 



The Pistil 123 



The Stigma the Style and the 



Ovary 123, 124 



Apocarpus and Syncarpus Ovaries . 125 

 Ovule of the Flower .... .128 



The FRUIT and the Pericarp . 129, 130 

 Classification of Fruits Apocarpi 

 Aggregati Syncarpi and Antho- 



car Pi 131, 132 



Various kinds of Fruits the Pomum 

 the Drupa the Strobilus, the 



Glans, &c 133 



The SEED, and its internal Anatomy . 134 



The Nucleus 134 



The Seed in Monocotyledonous, the 

 Dicotyledonous, and the Acotyle- 



donous Plants 135 133 



TheAmnios the Placenta the Funis' 

 and the Aril J3g 137 



FLOWERLESS PLANTS . 

 The Tree Fern . . 

 Ferns, and their Varieties 

 The Germinal Frond 

 ,'lub Mosses . 



. . 138 

 . . 140 



138-141 



141 



142 



