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Oyo-ryf 



OS 



rJwuc*!' 



tftti 







IMHtf.'* 







Fig. 4. — Diagram of an ovary of a plant with an ovule, 

 showing their various parts, at time of fertilization. 



^r,„.»"3 



to fl*"'^ 



totyJt Jo'»^ 



Fig. 5. — Stages in the development of the embryo of the 

 Shepherd's Purse, showing the octant section 1 — -1, and 2. 



