Jack Pine 



a. Foliage, x I/2. 



b. Seed, x 2/3. 



c. Mature cones, x 1/2. 



Virginia Pine 



-4-\-ii:^-')^- 



•\ -"» 



a. Cluster of leaves, x 2^. 



b. Cone, x 1/3. 



[,8] 



