416 Bloom of the Walnut. 
tree, as shown by the engraving of a twig with both associated. 
All the buds marked a are staminate, and will develop into cat- 
Fic. 2. Catkin of the walnut. Fic. 3. Pistils and embryo nuts. 
kins, shown in Fig. 2. The terminal buds 6 are pistillate and 
will develop into embryo nuts, each bearing a little branched 
