ENUMERATED IN THE PINETUM. XIU 



ciduous, extended at the apex, and heart-shaped at 

 the base. 



Seeds, irregularly shaped, with a soft thin cover- 

 ing, and ample wing. 

 Gen. Ci'.DRUs, Link (the Cedars). Leaves, persistent, needle- 

 shaped, somewhat four-sided, stiff, and disposed in 

 bundles on the adult branches. 



Flowers, male and female mostly on the same 

 plant, but separate. 



Cones, erect, ovate, bluutly depressed at the 

 ends, axillary, and growing on the upper side of 

 the branches, with thin, closely placed scales, more 

 or less deciduous. 



Seeds, somewhat angular, with a soft tegumental 

 covering, full of turpentine, and an ample, persis- 

 sistent wing. 



Sec. II. ARAUCARI^. Scales, one-seeded and attached. 



Gen. Araucaria, Jussieu (the Araucarias). Leaves, scale- 

 formed, persistent, and widest at the base. 

 Flowers, male and female on separate plants. 

 Cones, mostly large, globular, and terminal; 

 with the scales, deciduous, or partially so. 

 Seeds, more or less attached to the scales. 

 1st division, Colymbea, or the true Araucarias, with 

 broad-lanceolate leaves, and seed-leaves germinating 

 under ground. 

 2nd division, Eutacta, or false Araucarias, with awl- 

 shaped leaves, and seed-leaves produced above 

 ground. 



Sec. III. CUNNINGHAMI^. Seeds free, and from three to five 

 under each scale. 

 Gen. Cunninghamia, R. Brown. Leaves, lanceolate, rigid, 

 and flat. 



Flowers, male and female on the same plant, but 

 separate and terminal. 



Cones, small, ovate, or globular, and ligneous, 

 with persistent, acute-pointed scales, having no 

 dorsal bractea. 



Seeds, three under each scale. 



