Contents: Contributions of Charles Darwin to pollen biology,A cytological evalution of fern taxonomy,An appraisal of the taxonomy of triticum and capsicum,Antiquity of angiosperms,the thalamiflorae-an analysis of pollen morphology,Indian cymonosperms-in time and space,Cytological evolution in the fern family pteridaceac.

By P.K.K. NAIR