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.

Scabiosa succisa.

Arbutus Unedo

Arbutus Unedo

Plate XXIII Scabiosa succisa Linnaeus 99Gentiana Pneumonanthe

Gentiana Pneumonanthe

Mentha Pulegium.

Chenopodium polyspermum

Chenopodium polyspermum

W Fitch. del. et. bith

Vincent Brooks,Imp