ENUMERATKD IN THE PINETUM. XV 



Gen. Crtptomekia, Don. Leaves, irregularly foursided, 

 sickle-shaped, acute-pointed, scattered, decurrent, 

 spreading, and persistent. 



Flowers, male and female on the same plant, but 

 separate. 



Cones, globular and woody, with loose, wedge- 

 shaped scales, fringed on the edges. 



Seeds, from three to five, angularly flattened, and 

 winged on the sides. 



Gen. Wellixgtonia, Lmdlet/. Leaves, needle.shaped,spiral, 

 and spreading, or scale-formed and imbricated on 

 the adult trees. 



Flowers, male and female on the same plant, but 

 separate. 



Cones, large, obtusely oval, woody, and solitary, 

 with wedge-shaped scales, placed at right angles 

 upon the axis. 



Seeds, angular, and mostly in fives. 

 Gen. Sequoia, Fndlicher. Leaves, linear, flat, persistent, and 

 spread out in two rows horizontally. 



Floicers, male and female t n the same plant, but 

 separate. 



Cones, small, globular, woody, and with wedge- 

 shaped scales. 



Seeds, mostly in threes under each scale, variously 

 shaped and winged. 

 Gen. FiTz-RoYA, Hoohr. Leaves, in whorls of three, but 

 sometimes in twos and fours, ovate-oblong, flat, 

 without footstalks, and more or less spreadino-. 



Flowers (?), male and female on the same plant, 

 but separate. 



Co}ies, star-like bodies, consisting of nine scales, 

 in whorls of threes, with their edges bent outwards. 



Seeds, from three to five under each fertile scale, 

 surrounded by a broad wing, the central one 

 attached to the scale, the other two to the axile. 

 Gen. Arthrotaxis, Bon. Leaves, scale-formed, without foot- 

 stalks, and closely inlaying along the shoots. 



Flowers, male and female on separate plants. 



