XVlll EXPLANATION OF THE PLATES. 



PLATE IX. 



A. — Dianthus plumarius, Linnceus : p. M. 



1. One of the clawed petals. 



2. The pistil, with its two curved styles. 

 B. — Lychnis Githago, Lamarch : p. 85. 



1. A petal with adherent stamens. 



2. The pistil, with five styles. 



C, — Malva sylvestris, Linnceus : p. 85. 



1. The disk-shaped fruit, composed of several contiguous 



carpels, and surrounded by the calyx. 



2. The stamina! column with the stigmas protruding from 



the centre. 



3. One of the stamens, separate. 



4. The pistil separated from the column of stamens. 

 D, — Tilia europsea, Linnceus : p. 86. 



1. One of the flowers, separate. 



PLATE X. 



A. — Hypericum pulchrum, Linnceus : p. 86. 



1. One of the oblique petals. 



2. One of the parcels of stamens. 



3. The calyx surrounding the pistil, the petals and stamens 



being removed. 

 B. — G-eranium pratense, Linnceus : p. 87. 



1. The stamens and pistil. 

 C, — Linum usitatissiraum, Linnceus : p. 87. 



1. The stamens and pistil. 



2. The capsule surrounded by the calyx. 



3. One of the seeds. 



D, — Impatiens Noli-me-tangere, Linnceus : p. 89. 



1. A flower with most of the petals removed. 



2. A young capsule. 



