172 



DE CANDOLLES SYSTEM. 



Thuja orientalis. 1. A magnified fragment of a branch bearing a cone of male 

 flowers. 2. A portion of a female branch. 3. 4. Scales with naked ovules. 5. A 

 vertical section of a ripe seed. 



3 



Abies Larix 1. An anther. 2. A female scale with ovules. 3. A ripe cone 

 4. A scale of the latter with a naked seed. 5. Vertical section of seed and embrm 



