Keywords: The Oak (Marshall Ward) Fig 35.jpg en Fig 35 ”Various stages in the development of the ovule n nucellus; i i integuments; p point of attachment to placenta; e embryo-sac; r vascular cord supplying ovule; m micropyle; x young embryo Partly after Th Hartig 1892 The Oak A Popular Introduction to Forest-Botany H Marshall Ward PD-old-100 The Oak Marshall Ward |