XIV GENERA. 



Gen. Cunninghamia, B. 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. 



Gen. Abthrotaxis, Don. Leaves scale-formed or lance-shaped, 

 and either closely inlaying along the shoots, or more or 

 less spreading. 



Flowers, male and female on the same plant. 



Cones oval, or globular and ligneous, with oval, entire, 

 imbricated scales, destitute of the dorsal bractea. 



Seeds, from three to five under each scale, with thin 

 crusty shells and hardly any wings. 



Gen. Sciadopitts, Siebold (the Parasol Pine). Leaves linear, 

 flat, persistent, and in whorls. 



Flowers, male and female on the same plant, but 

 separate. 



Cones elliptic or cylindrical, obtuse at the ends, large 

 and solitary, with wedge-shaped, persistent, thin, lea- 

 thery scales, regularly imbricated, and furnished with a 

 short dorsal bractea. 



Seeds elliptic, compressed, and seven under each scale, 

 with a leathery covering, tapering into a membranaceous 

 wing, attenuating to the base. 



Tribe II. CUPRESSE^E, the Cypress Tribe. Cones with few 

 valvate or peltate scales on a depressed axis, and ovules 

 erect. 



Sec. I. CUPEESSINEiE. Cones with the scales verticillate or decus- 

 sately disposed. 



Gen. Cuprbssus, Tournefort. Leaves scale-formed, regularly 

 and closely imbricated in four rows. 



Flowers, male and female on the same plant, but 

 separate. 



