EVERGREENS OF COLORADO 



7J 



INDEX 



Abies concolor 33 



Abies lasiocarpa 31 



Abies, Key to Colorado species 29 



Balsam firs 29 



Bark beetles, of pines 65 



Blue spruce 21 



Bristlecone pine 11 



Bull pine 13 



Cedar apple fungus 67 



Cedar, one-seeded, red 41 



Cedar, Rocky Mountain, red 41 



Charcoal 50 



Chermes on blue spruce and Douglas fir. 65 



Cluster cup fungus 67 



Cones, origin and structure 7, 8 



Coniferae, Key to Genera found in Colo- 

 rado 9 



Denflroctoniis beetle 65 



Diseases of evergreens 65 



Douglas fir 25 



Douglas spruce 25 



Duff 69 



Engelmann spruce 23 



Evergreens, descriptions of the 5 



Evergreens, Insect pests and diseases of. 65 

 Evergreens, Ornamental planting of . . . .44 



Evergreens, Pruning of 65 



Evergreens, Rearing from seed 51 



Evergreens, Transplanting of 60 



Evergreens, Uses of 44 



Evergreens, Windbreaks of 46 



Fence posts, pitch pine 7, 48 



Fence posts, Preservative treatment of. .49 



Fir, Alpine 31 



Fir, balsam 28, 31 



Fir, concolor 33 



Fir, red 25 



Fir, white 33 



Fires and forests 3 



Forest products 47 



Forests and game 71 



Forests and irrigation 68 



Forests and scenery 70 



Forests and streamflow 69 



Foxtail pine 11 



Game, Forests and 71 



Hawthorn . . 67 



Humus 69 



Insect pests of evergreens 65 



Irrigation, Forests and 68 



Juniper, Creeping 39 



Juniper, Desert 39 



Juniper, Low 38 



Juniper, Mountain 38 



Juniper, Shrubby 39 



Juniper, Utah 39 



Junipers 34 



Juniperus communis sibirica 38 



Juniperus, Key to Colorado species. ... 37 



Juniperus monosperma 41 



Juniperus prostrata 39 



Juniperus scopulorum 41 



Juniperus utahensis . . 39 



Limber pine . 

 Lodgepole pine 



Mistletoe 



.12 



.15 



.67 



Nut pine 50 



Oils, Volatile 50 



Pear 67 



Picea engelmanni 23 



Picea, Key to Colorado species 20 



Picea parryana 21 



Pine bark beetles 65 



Pine, Bristlecone 11 



Pine, Bull 13 



Pine family, Key to Genera found in 



Colorado 9 



Pine, Foxtail 11 



Pine, Lodgepole 15 



Pine, Nut 50 



Pine, Pinyon 19 



Pine, Rock 13 



Pine, Rocky Mountain yellow 13 



Pine, Limber 12 



Pine, White 15 



Pines, Key to Colorado species 11 



Pinus aristata 11 



Pinus contorta murrayana 15 



Pinus edulis 19 



Pinus flaxilis 12 



Pinus ponderosa scopulorum 13 



Pitch pine fence posts, 



Pollen 



Pruning evergreens . . 



.7, 48 



7 



. 65 



