54 THE GARDEN BEAUTIFUL 



polyanthema, and viminalis; palo verde and mes- 

 quite, both from the desert; the Chinese tree of 

 heaven, Ailanthus glandulosa; ash, several species; 

 Kentucky coffee tree, Gymnocladus Canadensis; 

 Russian mulberry, Morus alba tatarica; osage 

 orange, Toxylon pomiferum; poplars, both Lom- 

 bardy and Carolina ; purple plum, Prunus cerasifera 

 atropurpurea ; soft maple, Acer saccharinum ; syca- 

 more, either of the western species of platanus; 

 black walnut, any species; arbor-vitae, Thuya occi- 

 dentalis; spindle tree, Evonymus Japonicus; Indian 

 cedar, Cedrus deodara; Japanese cedars, species of 

 chamaecyparis ; red cedar, Juniperus Virginiana; 

 our native fan palm, Washingtonia filif era ; and the 

 dates, Phoenix dactylifera, P. Canariensis and P. 

 reclinata. 



In shrubs use tamarisk, myoporums, Althaea offi- 

 cinalis, poinsettia, Euphorbia pulcherrima; bottle 

 brushes, melaleucas, callistemons, etc., pomegranate, 

 and privet, Ligustrum Japonicum. For dry places 

 try native pines in the order named (for drouth 

 resistant qualities) : P. tuberculata the knob-cone 

 pine, P. Sabiniana, the digger or bull pine, and P. 

 monticola, the mountain white pine. Other good 

 natives are P. ponderosa, the yellow pine, P. Torrey- 

 ana, the Soledad Pine, P. Parryana or quadrifolia, 

 the nut pine, P. Lambertiana, the sugar pine, P. 

 Coulteri, the big cone pine, and P. monophylla, the 

 single-leaved pine. 



TREES FOR ALKALINE SOILS 



Nearly all the eucalypts and the single-leaved 

 acacias are very tolerant of alkali. Especially are 

 the following excellent: Acacias; armata, shrub, 

 cyanophylla, longifolia, pycnantha, saligna. Euca- 

 lypts: amygdalina, cornuta, rostrata and robusta, 

 are well suited to all saline soils. 



