DESCRIPTION OF PLATES. 



bracte; I, the flowers. FIG. 11. Nectaries, Helleborus 

 mridis. FIG. 12. The tail, Clematis Vitalba. 



PLATE VII. 



FIGURE 1. Fructification radical, Pilularia; a, the leaves; 

 by the fruit. FIG. 2. Lycopodium, Selaginoides ; a, the na- 

 tural shoot ; I, the leaf and fruit magnified. FIG. 3. Fruc- 

 tification in spikes, Osmunda Lunaria. FIG. 4. Fructifica- 

 tion dorsal, Scolopendnum vulgar e ; #, the natural size ; 1 9 

 a capsule magnified. FIG. 5. A stemless Moss, Orthotricum 

 Brnwnianum. FIG. 6. The stem erect, Bryum ligulatum. 

 FIG. 7. A reticulated leaf magnified, Splacknum reticulatum. 

 FIG. 8. Star or disk; the barren flower of Mosses magni- 

 fied, Polytrichum commune. FIG. 9. Fertile flowers of 

 Mosses, Funaria hygrometrica. FIG. 10. Magnified and 

 longitudinal section of a capsule, showing the column in 

 the centre. FIG. 11. Herbage and flowers of the Hepaticae, 

 Jungermannia complanata; a, the natural size; I, a part 

 magnified ; c, the sack; d, the ovary ; e, valves of the ovary. 

 FIG. 12. Fructification of the Algae, Lichen physodes; a, 

 barren flowers ; I, fertile flowers. FIG. 13. A stipitate 

 Fungus, Agaricus campestris ; a, the pileus; I, the gills; c, 

 the veil; d, the stipe. 



PLATE VIII. 



FIGURE 1. A grain of Wheat, showing the albumen and 

 vitellus ; a, the seed of its natural size ; I, the scale-like 

 vetellus ; c, a section of the albumen. FIG. 2. The embryo 

 and cotyledons, Vicia Faba; a, the embryo; b, the cotyle- 

 dons. FIG. 3. Net-work of the leaves, Pyrus domestica. 

 FIG. 4. Involute leaf, Pyrus mains. FIG. 5. Revolute lea 

 Primula vulgaris. FIG. 6. Obvolute leaf, Sage. FIG. 7. 

 Convolute leaf, Arum. FIG. 8. Conduplicate leaf, The 

 Cherry-tree. FIG. 9. The Equitant leaf, Iris. FIG. 10. 

 The plaited leaf; Ladies' Mantle. FIG. 11. The circinal, 

 Pteris aquilina. FIG. 1 2. Homogeneous caudex, Clavaria 

 ophioglossoides ; a, its natural appearance ; , a longitudinal 

 section. FIG. 13. The tubular stem, Hemlock. FIG. 14. 

 The caudex consisting of bark, wood, and pith, Quercus ; 

 showing also the concentric and divergent layers. FIG. 15. 

 A portion of the epidermis magnified, Saxifraga umbrosa. 



6 



