358 



MISC. PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 



Thurberia (Thurberia triloba). 

 Thorn, 



Box (Lycium JiaUmifolium) . 

 California box (Lycium calif omi- 



cum). 



Fire (Cotoneaster pyracantha). 

 Rabbit (Lycium pallidum). 

 Squaw (Lycium torreyi). 

 Thorn, 



polygala (Polygala acanthoclada) . 

 tree (Gleditsia t riacanthos ) . 

 Thorny ash (Aralia spinosa). 

 Threetip sagebrush (Artemisia tripar- 



tita). 



Tideland spruce (Picea sitchensis). 

 Tight-eye (Cyrilla racemiflora). 

 Tisswood (Ealesia Carolina, 

 Persea borbonia). 

 Titi, (Cliftonid monophylla). 

 Black (Cliftonia monophylla, 

 Cyrilla, racemiflora). 

 Tobacco, tree (Niootiana glauca). 

 Tobbaco brush (Ceanothus velutwus). 

 Tomatilla (Lycium pallidum, 

 Lycium torreyi). 

 Toothache tree (Aralia spinosa). 

 Torch wood (Amyris texana). 

 Tornillo (Prosopis pubescens). 

 Torote (Bursera micropliylla) . 

 Torrey, 



jointflr (Ephedra torreyana). 

 lenscale (Atriplex torreyi). 

 pine (Pinus torreyana). 

 Tough buckthorn (Bumelia tenax). 

 Tourney oak (Quercus tourney i). 

 Toyon (Photinia arbutifolia) . 

 Trailing, 



bluebrush (Ceanothus diversifolius) . 

 ceanothus (Ceanothus diversifolius) . 

 Tramp's trouble (Smilax bona-nox). 

 Trask mahogany (Cercocarptis tras- 



kiae). 

 Tree, 



catclaw (Acacia wrightii). 

 huckleberry (Vacdnium arboreum) 

 lupine (Lupinus arboreus). 

 pea (Parosela spinosa). 

 tobacco (Nicotiana glauca). 

 Treebine (Cissus incise). 

 Tree-of -heaven (Ailanthus altissima). 

 Treemallow, California (Lavatera 



assurgentifolia) . 



Treepoppy (Dendromecon rigida). 

 Trembling aspen (Populus tremu- 



loides). 

 Trumpet honeysuckle (Lonicera sem 



pervirens ) . 



Trumpetcreeper (Campsis radicans). 

 Trumpetflower (Bignonia capreolata, 

 Campsis radicans, 

 Tecoma stans). 



Tuliptree (Lirfodendron tulipifera). 

 Tupelo, (Nyssa aquatica, 

 Nyssa sylvatica). 

 gum (Nyssa aquatica). 

 gum, large (Nyssa aquatica). 



Tupelo Continued, 

 gum, sour (Nyssa ogeche). 

 Sour (Nyssa ogeche). 

 Water (Nyssa biflora, 



Nyssa ogeche). 

 Turkey, 



grape (Vitis lincecumii). 

 oak (Quercus cinerea, 

 Quercus ilicifolia, 

 Quercus rubra). 

 shed (Forestiera pubescens). 

 Turpentine broom (Thamnosma mon- 



tana). 



Turpentineweed (Gutierrezia linearis, 

 Gutierrezia, longifo- 



lia). 



Tweedy cottonwood (Populus tweedy i). 

 Twinberry, (Mitchella repens). 



Red (Lonicera utahensis). 

 Twinberry honeysuckle (Lonicera in- 



volucrata). 



Twinflower (Linnaea borealis). 

 Two- wing silverbell (Halesia dipt era). 

 Umbrella magnolia (Magnolia tripe- 



tala). 



Umbrella tree, (Cornus altemifolia. 

 Magnolia tripetala). 

 Ear-leaved (Magnolia fraseri). 

 Large-leaved (MagnoUa macrophyl- 



la). 



Una de gato (Acacia greggii). 

 Undergreen willow (Salix commutata). 

 Unknown tree (Celtis ocddentalis) . 

 Upland willow oak (Quercus cinerea). 

 Utah, 



buddleia (Buddleia utahensis). 

 honeysuckle (Lonicera utahensis). 

 juniper (Juniperus utahensis). 

 serviceberry (AmelancMer utahen- 



sts ) . 



snowberry (Symphoricarpos utah- 

 ensis). 



sumac (Rhus trilobata). 

 tassel bush (Garry a flavescens). 

 Valley, 



cottonwood (Populus urislizenii) . 

 white oak (Quercus lobata). 

 willow (Salix hindsiana). 

 Varnish-brush (Ceanothus velutinus). 

 Vase-vine (Clematis viorna). 

 Vasey oak (Quercus undulata). 

 Vauquelinia (Vauquelinia California). 

 Veatch silktassel (Garry a veatchii). 

 Veiny arrowwood (Virburnum veno- 



sum). 

 Veinyleaf hollygrape (Berberis ner- 



vosa). 

 Velvet, 



ash (Fraxinus velutina). 

 mesquite (Prosopis odorata). 

 Velvetleaf, 



blueberry (Vacdnium canadense). 

 elder (Sambucus coerulea). 

 Velvetpod mimosa (Mimosa ay so 

 carpa). 



