EVERGREENS OF COLORADO 77 



Pig. 36. Alpine Fir, Abies lasiocarpa. Two mature cones showing the scales breaking 

 away from the central axis of the cone, thus liberating the seeds. About 

 one-half natural size. 



Fig. 37. Alpine Fir, Abies lasiocarpa. The spike-like axis of the cone after the scales 

 have fallen. One-half natural size. 



Fig. 38. Flowers and fruit of a Juniper (Juniperus scopulorum). 



a. Small portion of branch bearing staminate flower cones, enlarged twice. 



b. Upper and lower views of stamen flowers, enlarged ten times. 



c. Portion of branch bearing pistillate flower cones, enlarged twice. 



d. Pistillate flower cone showing four spreading scales and the tips of 



two ovules ; enlarged ten times. 



e. Mature fruit ; enlarged twice. 



f. A seed ; enlarged twice. 



Fig. 39. Low Juniper, Juniperus communis sibirica. Showing habit of growth. 



Fig. 40. Low Juniper, Juniperus communis sibirica. Twig showing needles and fruit ; 

 natural size. 



Fig. 41. Utah Juniper, Juniperus titahensis. 



a. Portion of a branch with fruit. 



b. A berry. 



c. Seeds ; all natural size. 



Fig. 42. Trailing Juniper, Juniperus prostrata. Six feet across. Owl Canyon. 



Fig. 43. One-seeded Juniper, Juniperus monosperma. Portion of a fruiting branch ; 

 natural size. 



Fig. 44. Rocky Mountain Red Cedar, Juniperus scopulorum. Aged tree 12 feet tall, 

 trunk 8 inches in diameter, growing on dry rocky ridge. Owl Canyon. 



Fig. 45. Rocky Mountain Red Cedar, Juniperus scopulorum. Showing form of a thrifty 

 tree 12 feet tall. Owl Canyon. 



Fig. 46. Rocky Mountain Red Cedar, Juniperus scopulorum. Trunk of thrifty tree 6 

 inches in diameter, showing scaly bark of young trees. 



Fig. 47. Rocky Mountain Red Cedar, Juniperus scopulorum. Portion of fruiting 

 branch ; about natural size. 



Fig. 48. Three stages in the germination of a pine seed (from right to left), Pinus 

 edulis. Natural size. 



Fig. 49. Seedling yellow pines, four years old. 



I 



a. Transplanted at two years of age. 



b. Left in seed bed. Note difference in vigor. 



c. One "year old, showing the root twelve times as long as the stem. 



(Pinus ponderosa scopulorum). 



Fig. 50. A cheap but efficient form of seed bed for raising evergreen seedlings. Bach 

 bed, 4 by 12 feet, has room for raising 2,000 two-year-old seedlings. 



Fig. 51. Evergreens are poorly suited to planting in the front door yard of a small 

 place, unless the owner desires to hide. These trees, however, were allowed 

 to grow in natural form. 



