28 



MISC. PUBLICATION 217, U. S. DEPT. OF AGPtlCULTURE 



Name of tree 



Where the tree grows 



Descriptive notes 



Port Or ford cedar 

 (Chamaecyparis lawso- 

 niana). 



Dwarf juniper (Juniperus 

 communis). 



California juniper (Juni- 

 perus californica) . 



Utah juniper (Juniperus 

 utahensis). 



Alligator juniper (Juni- 

 perus pachyphloea) . 



Western juniper (Juni- 

 perus occidentalis) . 



One-seeded juniper 



(cedro)* (Juniperus 



monosperma). 

 Rocky Mountain red 



cedar (Juniperus sco- 



pulorum). 

 California nutmeg 



(Tumion californicum). 



Pacific yew (Taxus brevi- 

 folia). 



California palm (Wash- 

 ingtonia filamentosa) . 



Mohave yucca (Yucca 



mohavensis) . 

 Spanish bayonet (Yucca 



torreyi). 

 Spanish bayonet (Yucca 



schottii). 

 Joshua tree (Yucca brevi- 



folia). 



Soap weed (Yucca elata)... 



Little walnut (Juglans 

 rupestris. 



California walnut (Jug- 

 lans californica). 



Hinds walnut (Juglans 

 hindsii). 



Pacific wax myrtle (Myr- 

 ica californica). 



Aspen (quaking aspen)* 

 (Populus tremuloides) 

 (varieties: Vancouver- 

 iana and Aurea). 



Balsam poplar (Balm-of- 

 Gilead)* (Populus bal- 

 samifera). 



Black cottonwood (Popu- 

 lus trichocarpa) . 



Lanceleaf cottonwood 

 (Populus acuminata). 



Narrowleaf cottonwood 

 (Populus angustifolia) . 



Arizona cottonwood (Pop- 

 ulus arizonica). 



Cottonwood (Populus sar- 

 gentii). 



(Fremont)* cottonwood 

 (Populus fremontii). 



(Wislizenus)* cottonwood 

 (Populus wizlizenii). 



MacDougal cottonwood 

 (Populus macdougalii). 



Dudley willow (Salix 

 gooddingii). 



Peachleaf willow (Salix 

 arr.ygdaloides). 



Red willow (Salix laevi- 

 gata). 



Willow (Salix bonplandi- 

 ana tourney i). 



Western black willow 

 (Salix lasiandra). 



Coast, southern Oregon and north- 

 ern California. 



Across northern United States. 



Rocky Mountain and northern 



Pacific regions. (See also p. 6.) 

 Mountains and foothills of central 



and southern California. 

 Desert regions, Wyoming to Xew 



Mexico. 



Desert ranges Texas west to Arizona. 



Cascades and Sierra Nevada Moun- 

 tains. 



Extensive areas over foothills of 

 Rocky Mountains. 



Rocky Mountains. 



Coast and Sierra Nevada Moun- 

 tains of California. 



Pacific coast region east to northern 

 Montana. Alaska. 



Southern California 



Northwestern Arizona across Mo- 

 have Desert to Pacific coast. 

 Western Texas to Arizona 



Southern Arizona 



Southwestern Utah through Mo- 

 have Desert to California. 



Texas to southern Arizona 



Texas, New Mexico, Arizona 



Southern California, coast region 



Central California, coast region 



Coast region, California to Washing- 

 ton. 



Northeastern and all western United 

 States. (See also p. 10.) 



Across northern United States. (See 

 also p. 10.) 



California Mountains and foothills-. 



Rocky Mountains and foothills 



Rocky Mountains and foothills 



Southern New Mexico and Arizona.. 

 Rocky Mountain foothills to Plains . 

 States west of the Rocky Mountains 



Texas, New Mexico, western Colo- 

 rado. 



Southern Arizona, southeastern 

 California. 



Western Texas to California, north 

 in State. 



Northern United States, south in 

 Rocky Mountains. (See p. 10.) 



Arizona, Utah, California 



Arizona and New Mexico 



Central Rocky Mountains. Pacific 

 coast- 



Bark thick. Branchlets slender. Wood 

 fragrant and easily worked. Im- 

 portant timber tree. 



Leaves short, y 2 inch long. Sweet 

 aromatic berries, ripening in 3 sea- 

 sons. 



Berries reddish brown, ripening in 

 1 season. Leaves in clusters of 3. 



Bark falling in strips. Berry large, 

 ripening in 1 season. Leaves op- 

 posite. 



Bark in nearly square plates. Berry 

 large, ripening in 2 seasons. 



Berries dark blue, small, maturing in 

 1 season. Bark thin. Leaves rough. 

 Heavy branches. Tree up to 10 feet 

 in diameter and 60 feet in height. 



Berry small, 1-seeded. Branchlets and 

 leaves very small; leaves rough. 

 Berries ripening in 1 season. 



Berries ripening in 2 seasons. Wood 

 red, fragrant, resembling eastern red 

 cedar. 



Leaves over 1 inch long, shiny. Fruit 

 dark purple, 1 inch long. All of tree 

 pungent and aromatic. 



Leaves less than 1 inch long, holding 

 on for 5 to 12 years. Fruit nearly 

 enclosed in thick cup. 



Leafstalks armed with spines. Fruit 

 berrylike. Leaves fan-shaped. 



Widely planted for ornament. 



Flower part (style) short. 



Leaves smooth, 1 to 2 feet long. 



Leaves 2 to 3 feet long, 1 to 2 inches wide, 

 concave, smooth, light green. 



Leaves stiff, blue-green, sharply 

 toothed, pointed, crowded in dense 

 clusters. 



Flower stalks 3 to 7 feet long. 



Leaves small, of 9 to 23 leaflets. Nuts 

 grooved, up to 1 inch in diameter. 



Leaves 8 inches long, of 11 to 15 leaflets. 

 Nuts less than 1 inch in diameter. 



Leaves compound. Nuts up to 2 

 inches diameter. 



Leaves sharply toothed, narrow at base, 

 shiny. Fruit waxy, dark purple. 



Leaves broad, finely toothed, leaf- 

 stalks flat and long. 



Leaves dull-toothed, leafstalks round. 



Winter buds Yi inch long, shiny, 



resinous. 

 Leaves broad, wedge-shaped at base, 



whitish below. Buds resinous. 

 Leaves long-pointed, narrow, 3 inches 



long, on long stalks. Buds resinous. 

 Leaves 2 to 3 inches long, narrow, taper- 

 ing, sharp pointed. Buds very 



resinous. 

 Leaves with flattened stalks, thick, 



coarsely toothed. 

 Resembles the above species. 



Leaves coarsely toothed, 2 to 2^ inches 

 long and broad. Leafstems flat- 

 tened. 



Leaves broadly delta-shape (triangu- 

 lar), coarsely toothed, thick, firm. 



Leaves 1 to 2 inches long, square at 

 base, toothed. Branchlets fuzzy. 



Branchlets yellow-green. Fruit hairy. 



Leaves long, pointed (peachleaf), pale 



below. 

 Fruit (capsules) on long stalks. 



Fruit (capsule) short stalked. 



Leaves whitish below, stems with 

 glands. 



