48 



Bulletin 194 



'4'A'/ .- 



(Mich. Trees). 



1. Fruiting branch viewed from beneatli, x H 



2. Leaf, x 3. 



3. Cross-section of leaf, enlarged. 



4. Branchlet with partly opened cone, x 1. 



5. Cone-scale with seeds, x 3. 



