308 LJESSONS WITS PLANTS 



pitch pine (Fig. 322), white pine, Scotch pine, 

 and many others, open the second year; but the 



Fig. 322. 

 Foliage and cone of pitch pine. 



Jack pine and others may not open for several 

 years, and sometimes cones never open. Figs. 323 

 and 324 are cones of the Florida spruce pine. In 

 the latter picture, the cone has persisted until it 



