PLATE I. 



PARTS OF THE FLOWER. 



Fig. 1 . A Flower with its Corolla, Pistillum, and Stamina 

 (page 1) a the petals of the Corolla (p. 4) b, the Germen ; 

 c, the Style ; d, the Stigma (p. 8) e, the Filaments ; jf, the 

 Antherae p. 7.) 



Fig. 2. The Calyx, Pistillum and Stamina, separate from 

 the Corolla (p. 1) a, the Perianthium (p. 2) 6, the Ger- 

 men ; c, the Style ; d y the Stigma (p. 8) e, the Filaments ; 

 f, the Antherae bursting and discharging the Pollen ; g, an 

 Anthera before it has burst (p. 7.) 



Fig. 3. A Flower whose corolla is monopetalous : a, the Co- 

 rolla (p. 5) b, the Perianthium (p. 2.) 



Fig. 4. A polypetalous Corolla : a, the Unguis .; b, the La- 

 minae (p. 5.) 



Fig. 5. A Narcissus, issuing from its Spatha; a, the Flow- 

 er; c, the Spatha (p. 3.) 



Fig. 6. An Amentum (p. 3.) 



Fig. 7. The Fructification of a Moss, a, the Calyptra(p. 3.) 



Fig* 8. A Fungus, a, the Volva (p. 3.) 



Fig. 9- A Grass : a, the Gluma ; b, the Arista, (p. 3.) 



Fig. 10. A compound Umbel, a, the universal Umbel ; b, 

 the Umbellulae, or partial Umbels (p. l ( 2) ; r, the universal 

 Involucrum ; J, the partial Involucra (p. 3.) 



Fig. 1 1 . A Bractea accompanying the Flowers of the Tilia : 

 a y the Bractea (p. 3.) 



Fig. 12. #, the Pollen seen with a microscope (p. 8) b y an 

 elastic Vapour discharged from it (p. 9.) 

 Y 4 



