30 



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



Name of tree 



Where the tree grows 



Descriptive notes 



Valley white oak (Quercus 



lobata). 

 Oregon white oak (Quercus 



garryana). 

 Rocky Mountain white 

 oak (Quercus utahensis). 



Rocky mountain white 

 oak (Quercus lepto- 

 phylla). 



Wavyleaf shin oak (Quer- 

 cus undulata). 



Palo bianco (Celtis reti- 

 culata). 



Douglas hackberry (Celtis 

 douglasii). 



(Western)* mulberry 

 (Morus microphylla). 



California-laurel (Umbel- 

 lularia californica). 



California sycamore (Pla- 



tanus racemosa). 

 Arizona sycamore (Pla- 



tanus wrightii). 

 (Name?) ( Vauquelinia 



californica). 

 Santa Cruz ironwood 



(Lyonothamnus flori- 



bundus). 

 Oregon crab apple (Mains 



fusca). 



Pacific mountain-ash 

 (Sorbus siichensis) . 



Alpine mountain-ash 

 (Sorbus occidentalis) . 



Christmasberry (Hetero- 

 meles arbutifolia) . 



Pacific serviceberry (Ame- 

 lanchier florida). 



Willow thorn (Crataegus 

 saligna). 



Black hawthorn (Cratae- 

 gus douglasii). 



Thorn* (Crataegus rivu- 

 laris). 



Bigleaf-ruountain mahog- 

 any (Cercocarpus tras- 

 kiae). 



Curlleaf mountain-ma- 

 hogany (Cercocarpus 

 ledifolius). 



Birchleaf mountain-ma- 

 hogany (Cercocarpus 

 betuloides). 



Alderleaf mountain-ma- 

 hogany (Cercocarpus 

 ainifolius). 



Hairy mountain-mahog- 

 any (Cercocarpus pauci- 

 dentatus). 



ClilTrose (Couania stans- 

 buriana). 



Wild plum (hog or red 

 plum)* (Prunus ameri- 

 cana). 



Pacific plum (Prunus sub- 



cordata). 

 Bitter cherry (Prunus 



tmarginata). 

 Pin cherry (Prunus penn- 



sylvanica) (variety saii- 



montana). 



Western and southern California 



Pacific coast region south to middle 

 California. 



Central and southern Rocky Moun- 

 tain region. 



Colorado and New Mexico 



Colorado, New Mexico, Arizona, 

 and a little northward. 



Oklahoma and Texas to southern 

 Arizona. 



Rocky Mountain region, Canada to 

 Mexico. 



Texas, southern parts of New Mexico 

 and Arizona. 



Oregon and through foothills of Cali- 

 fornia. 



Southern half of California 



Arizona, southwestern New Mexico. 

 Southern New Mexico and Arizona . 



Islands off coast of southern Cali- 

 fornia. 



Northern California, western Oregon, 

 and Washington. Alaska. 



California, Oregon, Washington, 



Idaho. Alaska. 

 Near timber line in northern Rocky 



Mountains. Alaska. 

 Southern half of California 



Rocky Mountains to north Pacific 

 coast region. Alaska. 



Colorado, in mountains, valleys, 

 and foothills. 



Pacific coast region south to Califor- 

 nia. Northern Rocky Mountains 

 to Wyoming. 



Rocky Mountains 



Santa Catalina Island, Calif- 



Northern Rocky Mountains south to 

 Colorado. Eastern and southern 

 California. 



Coast mountains of California 



Santa Catalina and Santa Cruz 

 Islands. 



Western Texas, New Mexico, Ari- 

 zona. 



Colorado, Utah, and South 



Eastern United States, central and 

 southern Rocky Mountains. (See 

 also p. 17.) 



Central Oregon to California 



Rocky Mountains and westward- 



Across northern United States, 

 northern Rocky Mountains to 

 Colorado. (See also p. 17.) 



Leaves deeply lobed. Acorn conical, 



long, in rather deep cup. 

 Leaves 4 to 6 inches long, lobed, smooth 



above, hairy below. 

 Leaves 3 to 7 inches long, regularly 



lobed. Acorn with half-round cup. 



Common, abundant oak. 

 Leaves resembling above, but smooth 



below. Acorns small. Large spread- 

 ing tree. 

 Leaves lyre-shaped, lobed. Acorn set 



in shallow scaly or warty cud. 



Small tree. 

 Leaves green on lower surface. Berry 



orange-red. 

 Leaves ovate, heart-shaped at base, 



coarsely toothed, rough above. 

 Leaves small, rounded, coarsely toothed. 



Fruit nearly black, sweet. 

 Leaves long, elliptical, 2 to 5 inches, 



evergreen. Fruit rounded, 1 inch 



long, in clusters. 

 Fruit balls in string of 3 to 5. Leaves 



with 3 to 5 pointed lobes. 

 Leaves with 5 to 7 deep lobes. Fruit 



balls in string 6 to 8 inches long. 

 Leaves narrow, toothed, hairy beneath. 



Leaves willowlike, or deeply divided 

 (pinnae), about 4 to 8 inches long. 



Leaves broadly oval, sharply toothed. 



Fruit oblong, yellow-green to nearly 



red. 

 Leaflets shiny, thin, narrow. Fruit 



red. 

 Flowers fragrant. Berries pear shape, 



purplish. 

 Leaves elliptical, sharply but finely 



toothed, shiny, evergreen. Scarlet 



berries in clusters. 

 Leaves rounded, coarsely toothed above 



middle. Small clusters of blue 



berries. 

 Leaves oval or squared, 1 to 2 inches 



long, finely toothed. Fruit very 



shiny blue-black. Small tree. 

 Leaves thick, shiny, squared, notched, 



and finely toothed. Many short 



stout spines. Clusters of black 



berries. Small tree. 

 Leaves without lobes, thinner than 



above, pointed, dull green. Spines 



few. 

 Leaves rounded, coarsely toothed 



toward end, woolly below. Flowers 



in cluster. Flowers singly on stem. 



(All mahoganies have long silky 



threads to the seeds.) Small tree. 

 Leaves small, narrow, up to 1 inch long, 



pointed at both ends. Small tree. 



Leaves small, 1 inch long, finely 

 toothed, wider beyond middle. — 

 Flowers in cluster. Small tree. 



Leaves oval, long toothed, smooth 

 below. Flowers on long stems in 

 cluster. Small tree. 



Leaves 1 inch long, broader toward end, 

 smooth or slightly toothed. Flowers 

 singly. Small tree. 



Long feathery thread from each seed. 



Leaves oval, sharply toothed, 3 to 4 

 inches long. Fruit 1 inch in diameter, 

 bright red. Usually only a shrub in 

 this region. 



Leaves broadly ovate. Fruit red or 

 yellow. 



Fruit small, bright red, shiny, bitter. 



Leaves long, pointed, finely toothed. 

 Flowers in clusters (umbels), cherries 

 red, each on long stem, spreads rapid- 

 ly on burned-over forest lands. 



