PLATE XXIII. 



A. — Scabiosa succisa, Linnceus : p. 351. 



1. A flower separated from the head. 



2. The pistil. 



B. — Arbutus Unedo, LinncBUs : p. 352. 



1. A stamen, showing its pores and awns. 



2. The pistil. 



3. Some of the ripe berries. 



4. A transverse section of a berry. 



C. — Gentiana Pneumonanthe, Linnceus : p. 353. 



1. A portion of the corolla, showing the attachment ot the 



stamens to its inner surface. 



2. The pistil. 



D. — Mentha Pulegium, Linnceus : p. 354. 



1. A flower separated from the verticillaster or whorl-like 



collection of flowers. 



2. The pistil. 



E, — Chenopodium polyspermuni, Linnceus : p. 354. 



1. A flower, separate. 



2. The fruit enclosed by the persistent perigone. 



