PART III.—MISCELLANEOUS MATTER CONNECTED WITH

NAVAL TIMBER.

NURSERIES, . . . 106

Infinite variety existing in what is called species, . . . ib.

Injurious effect from selecting the seed of the inferior varieties for sowing, . . . 107

Injurious effect from kiln-drying fir cones, . . . ib.

A principle of selection existing in nature of the strongest varieties for reproduction, . . . 108

Injurious effect from the plants spindling in the seed-bed and nursery line, . . . 109

Injurious effect from cutting the roots and from pruning, . . . 111

A light soil and open situation best suited for a nursery, . . . ib.

Wide diverging root-leaders necessary to the large extension of a tree, . . . 112

PLANTING, . . . 114

Further observations on pruning, . . . 117

Observations on timber, . . . 122

Table of the number of sap-growths of different kinds of timber, . . . 124

Remarks on laburnum, . . . 126

Height to which trees may be trained of clear stem, . . . 128

CONCERNING OUR MARINE, . . . 130

Causes which befit Britain for being the first naval power, and the emporium of the world, . . . 131

Utility of a system of universal free trade, . . . 133

Absolute necessity of abolishing every monopoly and restriction on trade in Britain, . . . 134

Our marine not represented in Parliament, and the consequences, . . . 135

Insane duty on the importation of naval timber and hemp, . . . 136