‘Seed Appendages in Angiosperms: 1. Introduction,’ Botanische Jahrbücher 101 (4), 1980: 555-73 (with R.N. Kapil and F. Bouman).

‘Pollen Morphology and the Bi-reticulate Exine of the Phyllanthus Species (Euphorbiaceae) from Mauritius and Réunion,’ Review of Palaeobotany and Palynology 27, 1979: 149-72.

‘A Note on Anatropy versus Orthotropy,’ Phytomorphology 28 (2), 1978: 219-224.

‘The Ovule as the Embryonic Seed,’ in Progress of Botany During the Last Decade, Jaipur: Department of Botany, University of Rajasthan, 1977: 175-77.

‘Anatropy and Ontogeny of the Bitegmic Ovule in Chrozophora A.H.L. Jussieu (Euphorbiaceae),’ Acta Botanica Neerlandica 25 (6), 1976: 385-400 (with R.N. Kapil).

‘Euphorbia geniculata: Ovule to Seed,’ in Acta Botanica Neerlandica 24 (3, 4), 1975: 257-68 (with R.N. Kapil).

‘Development of Ovule and Integuments in Euphorbia milii and Codiaeum variegatum,’ Phytomorphology 24 (3, 4), 1974: 280-96 (with F. Bouman).