THE PINETUM. 



Gen, ABIES. Don. The Spruce Firs. 



Floioers, monoecious, or male and female on the same plant, 

 but separate; the male catkins axillary or teraiinalj the female 

 ones terminal and solitary. 



Cones, pendant, solitary, terminal, and persistent for a long 

 time. 



Scales, persistent, leathery, thin, broadly rounded, and some- 

 times undulated on the edges. 



Seeds, oblong, pointed with a short stiff deciduous wing, and 

 bony shell. 



Bracteas, small and hidden by the scales, or long and trident^ 

 like the Douglas Fir. 



Seed-leaves, from 7 to in number. 



Leaves, solitary, four-sided, acute-pointed, and scattered all 

 round the shoots, or flat and more or less two-rowed, like the 

 Hemlock Spruce. 



Name derived from ainon (apios), a Pear tree ; cones like its 

 fruit. 



All evergreen trees, found in the colder parts of Europe, 

 Asia, and America. 



B 



