A. - Scabiosa succisa, Linnaeus: p. 351.

1. A flower separated from the head.

2. The pistil.

B. - Arbutus Unedo, Linnaeus: 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, Linnaeus: p. 353.

1. A portion of the corolla, showing the attachment of the stamens to its inner surface.

2. The pistil.

D. - Mentha Pulegium, Linnaeus: p. 354.

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

2. The pistil.

E. - Chenopodium polyspermum, Linnaeus: p. 354.

1. A flower, separate.

2. The fruit enclosed by the persistent perigone.

Plate 23

Scabiosa succisa.

Arbutus Unedo

Gentiana Pneumonanthe

Mentha Pulegium.

Chenopodium polyspermum

W Fitch. del. et. bith

Vincent Brooks,Imp