ILLUSTRATIONS. 



Page 

 Protection of Stomata from Moisture by Cuticular 



Pegs, 29G 



Over-arched Stomata of Australian ProteaceJE, - 297 

 Stomata in Pit-lilce Depressions, - - ■ 29S 



Stomata in the Furrows of Green Stems, - - 299 

 Orchids whose Stomata lie in Hollow Tubercles, - 300 

 Transverse Sections through lloUed Leaves, - 301 

 Vertical Section through a Rolled Leaf, 

 Thickened Stratified Cuticle, - - - - 310 



Caryota propinqua, ------ 311 



Vertical Section of Leaf of Caryota proptinqua, - 312 

 Edelweiss {Gnaphalium Lcontopodnim), - - 315 

 Covering Hairs of various plants, - - - 321 

 Covering Hairs of various plants, ... 322 

 Flinty armour of Rochea falcata, 



Switch-plants, 331 



Switch-shrubs, sections of Stems, 



Plants with Leaf-like Branches (Cladodes), - 333 



Plants with Leaf -like Branches (Cladodes), - 335 



Compass Plants, . . . - . 



Folding of Grass-leaves {Sesleria tenuifolia), - 341 



Folding of Grass-leaves {Stipa capillata and Fes 



tuca alpestris), ------ 342 



Folding of Grass-leaves (Lasiagrostk Calama- 



grostis &nd Festuca Porcii),- - - - 343 

 Folding of Grass-leaves (Festuca punctoria), - 345 

 Folding of Moss-leaves {Polytrichum commune), - 346 

 Unfolding of Leaves of various plants, - - 349 

 Leaf-unfolding of the Tulip-tree, - - - 352 



Unfolding of Beech-leaves, ... - 353 



Leaf-fall of the Horse-chestnut, - - - - 361 

 Indian Climbing Palms (Rotang), 



Lianes, Stems of, 



Aroids, with cord-like aerial roots. 



Position of the Chlorophyll-granules in the cells 



of the Ivy-leaved Duckweed (Lemna trisulca) 

 Plan of Whorled Phyllotaxis, - 

 Plan for Spiral Phyllotaxis, 

 Plan of Five-thirteenths Phyllotaxis, - 

 Parastichies of a Pine-cone, 

 Displacement of the leaf-positions in consequence 



of torsion of the stem, 

 Leaf-mosaic, Leaf-rosettes, and Scale-like Leaves, 

 Formation of a Leaf-mosaic, - . - . 

 Spruce Firs (Ahies excelsa). 

 Erect Leafy Twig of the Norway Maple, 

 Twisting of Internodes and Leaf-stalks, 

 Horizontally growing Leafy Twig of the Paper 



Mulberry-tree {Broussonetia papyrifera), 

 Leafy Twig projecting laterally from the Stem 



the Norway Maple [Acer platanoides) , - 

 Leaf-mosaics of Unsymmetrical Leaves, 

 Mosaic of Leaves of unequal size. 

 Mosaic of Unsymmetrical Leaves of unequal size, 



Leaf-mosaic (Ivy), 



Acantholimon and spiny Tragacanth -shrubs. 

 Group of Thistles (Cirsium nemorale), 

 Acanthus spinosissimus, . . - . 



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Weapons of Plants, - . - . . 



Weapons of Plants, - - . . . 



Chemical Diagrams (three), 



Chemical Diagram, - . - . . 



Crystals and Crystalloids in Plant-cells, 



Various Forms of Starch-grains, 



Portion cut from a Branch (diagrammatic). 



Organs for Removal of Substances. 



Rhynchosia phaseoloides, a Liane with ribbon-liku 



Stems, ...--. 

 Transverse sections of Liane Stems, - 

 Leafless Branches of Tecoma radicans, rooted on 



a wall, --.--. 



Elevation of a Block of Stone in consequence of 



the growth in thickness of a Larch Root, 

 Alpine Willows with stems and branches clingin 



to the ground, ----- 

 Periodic bending of Flowers and Inflorescences, 

 Alteration of Position of Leaflets in Compound 



Leaves, ...... 



Mimosa pudica in day and night positions, - 

 Mountain Pines {Pinus humilis) in the Tyrol, 

 Detachment of special shoots of Potamogcton 



crispus, for hibernation under water, - 

 Edible Lichen {Lecanora esculcnta) in the desert. 

 Changes in the Protoplasm of the Cell-nucleus 



during its division, - . - - 

 Laminarias in the North Sea, 

 Liverworts with Cell-nets, Cell-plates, and Ceil 



rows in various transitional forms, 

 Cotyledons, various examples shown in detail. 

 Process of Development — [Rhizophora conjugata] 

 Mangroves on the West Coast of India at ebb 



tide, 



Germinating Seeds and Seedlings, 



Liberation of the Cotyledons from the cavity of 



the seed or fruit husk. 

 Anchoring of the Water-chestnut {Trapa), - 

 The Boring of Fruits into the Ground, Feather 



grass and Stork's-bill, ... 



Cotyledons of various Plants, 

 Arrangement of Strands in the blades of Foliage 



leaves. Forms with one main strand, - 

 Distribution of Strands in the blades of Foliage 



leaves. Forms with several main strands. 

 Flowers of the Silver Lime and Arrow-grass, 

 Cotton Trees of the Brazilian catingas. 

 Agaves of the Mexican uplands, 

 Yucca gloriosa, ..---- 

 Vallisneria spiralis, . - - - - 



Rotangs in Java, . - - - - 

 Shoot-apices of three species of Rotang, 

 Branches of the New Zealand Bramble, 

 Palm-stem used as a support by the lattice-forming 



stems of one of the Clusiacese, 

 Twining Hop (Humulus Lupulus), in detail, 

 Portion of a Liane stem, twisted like a cork 



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