Druce, G. C: Hayward's Botanist's Pocket-book.

Fox, H.: How to find and name Wild Flowers.

Hooker, Sir W. J.: British Flora.

Hooker, Sir W. J., and Arnott, G. A.: British Flora.

Knapp, F. H.: The Botanical Chart.

Lindley, J.: Synopsis of the British Flora.

Smith, Sir J. E.: English Botany.

Smith, Sir J. E.: The English Flora.

Smith, Sir J. E.: Compendium of the English Flora.

Steele, W. E.: A Handbook of Field Botany.

Watts, W. M.: A School Flora.

Withering: Arrangement of British Plants. (See also under Floras, XIII.)