32 



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



Xame of tree 



Where the tree grows 



Descriptive notes 



California buckeye 

 (Aesculus calif ornica) . 



Western soapberry (Sap- 



indus drummondii). 

 Mexican-buckeye (Un- 



gnadiaspeciosa). 

 Hollyleaf buckthorn 



(Rhamnus crocea). 

 Cascara (Bhcmnus pur- 



shiana). 



Island myrtle (Ceanothus 

 arboreus). 



Blue myrtle (Ceanothus 



thyrsifiorus). 

 Spiny myrtle (Ceanothus 



spinosus). 

 Flannelbush (Fremonto- 



dendron californicum) . 

 Allthorn (Koeberlinia spi- 



nosa). 

 Giant cactus (Carnegiea 



gigantea). 

 Cholla (Opuntia fulgida).^. 



Tasajo (Opuntia spinosior) 

 Cholla (Opuntia versicolor) j 

 Pacific dogwood (Cornus \ 

 nuttallii). 



Tasseltree (Garry a eliip- 

 tica). 



Pacific madrone (man- 

 zanita)* (Arbutus men- 

 ziesii) . 



Texas madrone (Arbutus 

 texana). 



Arizona madrone (Arbu- 

 tus arizonica). 



Fragrant ash (Fraxinus 

 cuspidata). 



Littleleaf ash (Fraxinus ; Western Tex 



greggii) . 

 Singleleaf ash (Fraxinus 



anomala). 



Southern half of California, in 

 mountains. 



Southern Rocky Mountain region 



and eastward. 

 Eastern Texas to Xew Mexico 



Southern mountain ranges of Ari- 

 zona and California. 



Western Rocky Mountain and Pa- 

 cific Coast States. 



Islands off coast of southern Califor- 

 nia. 



Western California 



Coast of southern California. 



Entire eastern California, southern 



Arizona. 

 Southern Texas west to Arizona 



Central and southern Arizona . 

 Southern Arizona 



Pacific coast, Washington to south- 

 ern California. 



Coast, Oregon and California 



Pacific coast region, inland in eastern 

 California. 



Western Texas 



Southern Arizona. 



Southwestern Texas and adjacent 

 Xew Mexico. 



Ash (Fraxinus lowellii) 



Ash (Fraxinus standleyi)— 



Red ash (Fraxinus penn- 



sylvanica) (Green ash 



var. lanceolata). 

 Velvet ash (Fraxinus 



relutina). 

 Tourney ash (Fraxinus 



toumeyi). 

 Leatherleaf ash (Fraxinus 



coriacea) . 

 Oregon ash (Fraxinus 



oregona). 

 Anacahuita (CGrdia bois- 



sieri) . 



Desert willow (Chilopsis 



linearis). 

 Buttonbush (Cephalan- 



thus occidentalisi. 



Blueberry elder (Sambucus 

 coerulea). 



Velvet elder (Sambucus 



velutina). 

 Redberry elder (Sambucus 



callicarpa). 

 Xannyberry (Viburnum 



lentago). 



Western Colorado, Utah, and south- 

 ward. 



Xorthern Arizona 



Western Xew Mexico, Arizona. 



Eastern half of United States, Rocky 

 Mountains. (See also p. 23.) 



Southern Xew Mexico, Arizona. 

 Arizona and Xew Mexico 



Utah, Xevada, and southeastern 



California. 

 Pacific coast region of Washington, 



Oregon, California. 

 Texas and southern Xew Mexico 



Y\"estern Texas to southern Califor- 

 nia. 



Eastern United States, across Xew 

 Mexico and Arizona to California. 

 (See also p. 24.) 



Western United States, east to the 

 Great Plains. 



High mountains of eastern Califor- 

 nia, Xevada. 



Northern California through Oregon 

 and Washington. 



Xortheastern "United States west 

 into northern Rocky Mountains. 

 (See also p. 24.) 



Leaves of 4 to 7 leaflets, opposite. 



Flowers white or pale red. Winter 



buds resinous. 

 Leaflets 8 to 18, dropping in fall, leaf 



stem not winged. Fruit black. 

 Leaflets 7, shiny, dark green, pointed. 



Leaves rounded, 1 inch across, sharp 

 spiny teeth, dark yellow beneath. 



Leaves 5 inches long, broadly elliptical, 

 strongly veined. Fruit black, round 

 with 2 or 3 cofiee berry seeds. Bark 

 medicinal. 



Leaves 3-ribbed, broad, fuzzy. Flow- 

 ers pale blue, in dense clusters. 

 Fruit 3-lobed. 



Leaves narrowed at base, 3-ribbed, 

 smooth. 



Branchlets spiny-pointed. Leaves with 

 midrib. 



Leaves thick, 3-lobed, red on lower sur- 

 face. Flowers yellow. 



Almost leafless, spiny. Bark green. 



Tree cactus, with spines and bristles 

 but no leaves. Flowers large, white. 



Cactus. Leaves pale green." Flowers 

 pink. 



Cactus. Spines white. Flowers yellow. 



Cactus. Spines brown. Flowers green. 



Leaves opposite. Flower head en- 

 closed by showy white bracts. Fruit 

 red. 



Leaves opposite, leathery, woolly be- 

 neath. 



Leaves oblong, thick, 3 to 5 inches long. 

 Bark reddish brown. 



Leaves narrow oval, thick, firm. 



Leaves 2 to 3 inches long, narrow, 

 pointed, firm. Bark ashy gray. 



Leaves opposite (like all ashes)", com- 

 pound of narrow leaflets. Flowers 

 with pistil and stamens (perfect) . 



Leaves opposite, rounded at end. 

 Flowers with calyx, no corolla. 



Leaves opposite, not compound (sim- 

 ple). Flowers polygamous, with 

 calyx, no corolla. 



Leaves opposite, small, mostly of 5 

 leaflets. Branchlets 4-sided. 



Leaves opposite, of 5 or 7 leaflets, 

 smooth above. 



Leaves opposite, of 7 or 9 smooth 

 pointed, long - stemmed leaflets. 

 Branchlets smooth. 



Leaflets 3 or 5, small, broadly oval. 

 Branchlets hairy. 



Leaves of 5 to 7 narrow, pointed, 

 toothed leaflets. 



Leaflets thicker and coarsely toothed. 

 Branchlets nearly smooth. 



Leaflets mostly 5 or 7, closely attached 

 (sessil) , finely hairy, broadly oblong. 



Leaves broadly oval, 4 to 5 inches long. 

 Flowers white. Fruit partly en- 

 closed. 



Leaves 6 to 12 inches long, narrow, 

 opposite or alternate. Pods slender. 



Broadly elliptical and opposite leaves, 

 on stout stems. Flowers in round 

 heads or balls. 



Leaves opposite, of 5 to 9 leaflets. 

 Berries with blue bloom, sweet, 

 juicy. 



Leaves opposite, leaflets soft hairy 

 below. 



Flowers and fruit in oval (not flat) 

 clusters. Berries red. 



Leaves opposite, on winged leaf stems. 

 Winter buds long-pointed. 



