Book reviews : Mani,M. S. 1978: Ecology and phytogeography of high altitude plants of the northwest Himalaya. London: Chapman and Hall. xii + 205 pp. £14.00

Good, R. D'O. 1974: The geography of the flowering plants. Harlow, Essex: Longman.

Hedberg, O. 1964: Features of Afro-Alpine plant ecology. Acta Phytogeographica Suecica 49.

Hultén, E. 1964: The circumpolar plants I. K. Svensk. Vetenskaps. Akad. Handl. 8 (5).

1971: The circumpolar plants II. Ibid. 13 (1).

Korovin, E.P. 1934: Vaprosam palaeo-ecolgicheskikh smien v Srednii Asii. Vaprosi Ecologii Biocaenologii.

Kultiasov, M.V. 1925: Vertikalnye rastilel'nye zony v zapadnom Tien-Shanie [Vertical vegetation zones in western Tien-Shan]. Bull. Sredn. -Aziat. Gos. Universiteta 15, 163-216.