410 THE CULTIVATED EVERGREENS 



2 Thujopsis dolobrata (Thuja dolobrata, L.). Pyramidal tree to 50 ft. Japan. 



Cult. South but suJEFers from summer drought. Should have sheltered shady 

 situation. 

 IPR Thujopsis dolobrata var. Hondai. Hardier than the type. 



Thujopsis Standishii. See Thuja Standishii. 

 IBS Thymus Serpyllum (T. azoricus). Mother of Thyme. Creeping Thyme. 

 Perennial or subshrubby. Eu., Asia and N. Afr. 

 Tinus laurifolius. See Viburnum Tinus. 

 2BT Tithonia diversifolia (Mirasolia diversifolia). Large shrub. S. Mex. and 



Guatemala. Cult. Calif. 

 2 Torreya calif ornica (Tiunium calif ornicum). California-Nutmeg. Tree to 



70 ft. or more. Calif 

 IPR Torreya nucifera. Tree 30-80 ft. Japan. Cult. South and W. coast. 

 2 Torreya taxifolia (Tumion taxifolium) . Tree to 40 ft. Fla. 



Toyon. See Heteromeles arbutifolia. 

 2BT Trachelospermum jasminoides (Rhynchospermum jasminoides). Star-Jas- 

 mine. Confederate-Jasmine. Climbing shrub to 3 ft. Cult. South and Calif. 

 2BT Trachycarpus caespitosa. Tall palm of plumosa type. 

 2BT Trachycarpus excelsa (T. Fortunei. Chamserops excelsa). Fortunes Palm 



Chinese Windmill Palm. China, Japan. Cult, to 20 ft. in Fla. and Calif. 

 2BT Trachycarpus Martiana (T. Khasiana). Slender tall plant. Himalayas, Burma, 

 Assam. Cult. Calif. 

 Trailing Arbutus. See Epigsea repens. 

 Tree Alfalfa. See Medicago arborea. 



Tree Fern. See Dicksonia antarctica and Alsophila australis. 

 Triphasia monophylla. See Severinia buxifolia. 

 2BT Tristania conferta (Lophostemon arborescens). Brisbane-Box. A tree from 



Queensland. Cult, to 20 ft. in Calif. 

 2BT Trithrinax braziliensis. Slender palm to 6-12 ft. Shade. Brazil. Cult. Calif. 

 2BT Trithrinax campestris. More rigid than T. braziliensis. Argentina. Shade. 

 Cult. Calif. 

 Trumpet-Flower. See Bignonia capreolata. 

 Trumpet-Flower. See Thevetia nereifolia. 

 1 Tsuga canadensis (Abies canadensis). Common Hemlock. Tree to 70 ft. 



■ ' ' New Bruns. and Wis. south to Ala. This is the most graceful northern ever- 



green. Can easily be restrained and makes beautiful hedges. 



1 Tsuga caroliniana. Carolina Hemlock. Tree to 70 ft. Va. to S. C. Still new 



in northern plantings but is very promising. Has proved just as hardy as 

 T. canadensis and is even more graceful. 

 IPR Tsuga diversifolia (Abies diversifolia). Tree. Japan. 



2 Tsuga heterophylla (T. Albertiana. T. Mertensiana, Carr.). Tree to 200 ft. 



Alaska to Calif., west to Mont. 

 2 Tsuga Mertensiana, Sarg. (T. Pattoniana. T. Hookeriana). Tree to 100 ft. 



B. C. to Calif., west to Mont. 

 IR Tsuga Sieboldii (T. Araragi). Tree. Japan. 

 Tumion. See Torreya. 



Turks Tm-ban. See Clerodendron Siphonanthus. 

 Twin-Flower. See Linnaea borealis. 



Ugni. See Myrtus Ugni. 

 2B Ulex europaeus. Furze. Gorse. Whin. Spiny shrub to 3-5 ft. W. and S. Eu. 



Cult. South and N. W. coast. 



