_ EXPLANATION OF THE PLATES. 



3. Another view of the lower part of the connective. 



4. The pistil, showing the four-lobed ovary. 



XXlll 



PLATE XYIII. 



A. — Myosotis palustris, WitTiering : p. 107. 



1. The corolla laid open, showing the stamens and the 



scaly appendages of the throat. 



2. The pistil with its four-lobed ovary. 

 B. — Pinguicula vulgaris, Linuceus : p. 114. 



1. A flower with the corolla removed. 



2. The two-valved one-celled capsule. 



C. — Armeria maritima, Willdenow : p. 109. ' 



1. A flower removed from the head. 



2. One of the petals with a stamen attached to its base. 



3. The pistil, with five hairy styles. 

 D, — Plantago media, Linnceus : p. 110. 



1. A flower, separate. 



2. The pistil. 



PLATE XIX. 



115. 



p. 116. 



A. — Polygonum Bistorta, Linnccics : p 



1. A flower, separate. 



2. The pistil witli its three styles. 

 B, — Aristolochia Clematitis, Linnaiis 



1. A flower complete. 



2. The pistil, showing the rayed stigma and epigynous sta- 



mens. 



3. A capsule. 



C — Pinus sylvestris, LinncEus : p. 117. 



1. One of the pairs of leaves, with its sheath. 



2. One of the male catkins, with its bract. 



3. An anther, with its two adnate cells, and scale-like con- 



nective. 



