The development of the embryo sac continues and proceeds up to about the receptive stage of the stigma. 2. The ovules are cauline, arising from the central axis of the flower. The floral axis bulges ...

(family Cæsalpiniaceæ), a common roadside plant in India ... at first more or less uniformly distributed throughout the embryo-sac. Afterwards, one of the nuclei situated near the chalazal ...