CONE-BEARERS. 43 



yearlings about \ inch in diameter, including the already 

 long, sharp prickles. The Torrey Pine shows a dark 

 tawny ball, about an inch in diameter, raised out on a 

 stem about f inch long. The Gray-Leaf Pine exhibits a 

 dark yellow globe, slightly pointed, about 1J inches in 

 diameter, heavily mailed with broad, sharp-pointed 

 scales, and raised out on a long, stout stem, 2 to 3 inches 

 long, soon curving downwards. 



All the other species have cones which are more or 

 less elongated from the start. Yearlings of the Broken- 

 Cone Pines are at first tawny gray or purplish, oblong, 

 about | inch, becoming ovate the second season. Year- 

 lings of Big-Cone are oblong, 1 to 1^ inches long, raised 

 on stout stems 2 to 3 inches long, and formidably armed 

 in youth with stout, radiating spines. Cones of Monte- 

 rey and Narrow-Cone Pine are at first oblong and tawny 

 gray, on stems about \ inch long, becoming attenuated 

 to a point at apex during the next season. Yearlings of 

 the Long-Cone group and of Rocky Mountain White 

 Pine are long-oblong from the start, becoming greatly 

 elongated during the second season, when they are bent 

 downward on their flexible stems 2 to 4 inches long. 

 Yearling Plume-Pines are purple, oblong, f inch long, 

 and retain their form next season, on stems \ inch long. 

 Cones of the alpine White-Bark Pine arise out of the 

 dense tufts of leaves about half an inch, and are fairly 

 glittering with marine-blue scales. 



OF THE 



UNIVERSITY 



OF 



