ILLUSTRATIONS. 



FROM ORIGINAL DRAWINGS BY E. HEYN, E. y. RANSONNET, J. SEELOS, F. TEUCHMANN, 



0. WINKLER, AND OTHERS. 



COLOURED PLATES. 



IX. Mosses and Liverworts.— Dra-ivn by Ernst Heyn, 



X. Alpine Rhododendrons and Mountain Pines (Tyrol).— Drawn by Ernst Heyn, 

 XI. Victoria Regia in the River Amazon.— Drawn by Ernst Heyn, ... - 



XII. Alpine Flowers in the Tyrol.- Drawn by Ernst Heyn, 



XIII. West Indian Orchids (Stanhopea Devoniensis and Oncidium Papilio). — DrawTi by 



Ernst Heyn, ..-.--- 



XrV. Fungi at Home.— Drawn by Ernst Heyn, 



XV. Frondose and Fruticose Lichens. — Drawn by Ernst Heyn, 



XVI. Eucalyptus Grove and Grass-trees in Australia.— Drawn by Ernst Heyn, - 



to face 



Page 

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 730 



ILLUSTRATIONS IN THE TEXT. 



Page 



Ferns and their spore-cases, &c., - - - 11 



Horse-tails (Equiseta), 14 



Mosses and their fructification, - - - 15 

 Swarm-spores of Saprolegniaceas and Chytri- 



diacese, 17 



Moulds and their fructification, • - - - 18 



Discomycetes (Morel and other Fungi), - - 19 



Basidiomycetes (various Fungi), - - - 21 



Thallidia of Muscineae or Mosses, - • - 23 

 Formation of Thallidia in the cells of Hydro- 



dictyon and in those of Pediastrum, - - 24 

 Hdwingia rusciflora, with flowers seated upon the 



foliage-leaves, -....- 38 

 Formation of Buds on the apices of the Fronds of 



Ferns: Äsplenium Edgeworthii, - - - 39 



Formation of Buds on Fronds and Foliage-leaves, 41 

 Fertilization and fruit-formation in Ulothrix 



zonata (partly after Dodel-Port), - - 50 

 Pucus vesiculosus (Bladder-wrack), various sec- 

 tions, ------- 51 



Pucus vesiculosus, do. do., • 52 

 Fertilization and fruit-formation in Mucorini, 



Siphonacece, and Floridew, - - - - 53 

 Fertilization, fruit-formation, and spore-formation 



in the Peronosporese, - - - - - 57 



Fruit-formation in Stoneworts (Characeae), - 63 



Page 



Structure of Phanerogamic Ovaries : various ex- 

 amples in section and otherwise, - - - 73 

 Structure of Phanerogamic Ovaries : various ex- 

 amples in section and otherwise, - - - 74 

 Structure of Phanerogamic Ovaries: various ex- 

 amples in section and otherwise, - - - 77 

 Structure of Phanerogamic Ovaries: various ex- 

 amples in section and otherwise, - - - 78 

 Antholysis and Structure of the Ovary, - - 79 

 Ovules and Foliaceous Carpels, - - - - 83 

 Stamens of double and monstrous flowers, - - 86 

 Stamens, numerous examples, - - - - 87 

 Curved anthers in the flower of Phyllanthus Cy- 



clantkera (after Baillon), - - - - 90 

 Stamens, numerous examples, - - - - 91 

 Pollen-grains, fourteen varieties, - - - 98 



Pollen-grains, nine varieties, • • - - 99 

 PoUen-grains and pollen-tetrads united by threads 



of viscin, ...---- 101 

 Protection of Pollen from Wet in Sea-buckthorn, 



&c., 109 



Protection of Pollen from Wet in Globe-flower, 



Digitalis, &c., 110 



Protection of Pollen from Rain,- - - - 112 

 Protection of Pollen in Crocus multifidus, • - 113 

 Protection of Pollen in Carlhia acaulis, • • 117 



