Bean (a) with testa; (b) without testa.
Maize (a) with pericarp; (b) without pericarp.
Date cut through to show position of embryo.
Coffee cut through to show position of embryo.
Walnut to show cotyledons.
Dispersion of Seeds.
| 1. | Wings. | — | Scale attached to seed of pinus. Wing attached to fruit of sycamore and ash. Seed of Bignonia alba. |
| 2. | Hairs. | — | E.g., silky hairs of seed of cotton and epilobium. Pappus of compositæ (fruit). Awns of clematis (fruit). |
| 3. | Hooks. | — | Bristles of geum. |
GEOGRAPHY.
By Margery Reid, B.Sc. (Lond.).
Aim in teaching.It is a vexed question how far the study of geography should be looked upon as a training for the mind, or whether its primary function be not to supply material on which the trained mind may work.