34 EUCALYPTS CULTIVATED IN THE UNITED STATES. 



of Eucalypti there was a much heavier crop and taller straw. Near the ocean, where 

 the trees protected the grain from sharp sea wind, there was certainly more than 

 twice as much grain and twice as nmch straw. The unprotected grain had over one- 

 third to one-half the heads blasted— no grains in the injured parts. The straw had a 

 rusty appearance. From facts actually established I have made the statement that 

 three-fourths of an area will produce more grain or fruit with the other fourth in 

 forest trees than four-fourths without the forest trees; hence the great economy in 

 tree planting. 



The last statement would not apply to all reo-ions, but of those 

 swept by heavy winds it is undoubtedly true. There are large areas 

 in Ventura County, Cal.. that would not })e tillable but fortheEucalypts. 

 Part of the land is so sandy that formerly it was blown about by the 

 wind, and not only the crops growing in it, but those of adjoining fields 

 were seriously damaged. The planting of Eucalypt wind-breaks has 

 so moderated the wind velocity that now little damage is ever done 

 by it. 



Many fruit growers in southern California believe that wind-breaks 

 of Eucalypt trees protect their orange and lemon orchards from frosts. 

 The question was a subject of discussion at a large horticultural meet- 

 ing held in that section April 29, 1901. In the Los Angeles Times's 

 report of the meeting is the following: 



Four hundred people, representing ten farmers' clubs, met Monday at the ranch 

 of George Turner, near Cucamonga, to study the system of wind-breaks established 

 there as a protection against frosts. The visitors were seated among the Eucalyptus 

 trees which they had come to study. "Frosts in relation to wind-breaks" was the 

 subject of a paper by John Hoffman, of Cucamonga. In stating the results of his 

 investigations he said "the temperature is usually higher on the north side of a wind- 

 break than on the south side," and that, since his orchard had grown large, "the 

 ground had frozen but once, and that was at a distance from the wind-break." 



AS SHADE TREES. 



While many of the Eucalypts are not especially desirable shade trees, 

 the fact that they will grow well in many situations where other trees 

 make poor growth, or will .scarcely grow at all, gives them consider- 

 able value for this purpose. They are especiall}^ suitable for country 

 roads, for the vicinity of barns and other farm buildings, and for shade 

 in pastures. As road shade trees, many. species have proved ver}' use- 

 ful in the Southwest and have been much used for this purpose. (PI. 

 II, A, B.) Mr. Cooper, in the letter already mentioned, writes upon 

 this point as follows: 



The public highway through my ranch, seven-eighths of a mile in length, has a 

 double row of trees on either side. There is less mud in winter and less dust in sum- 

 mer than on the road at either approach. 



The writer observed the latter fact while there during August. In 

 regions where there is less sunshine and more rainfall than there is at 

 Santa Barbara it might be well to plant the trees farther apart on the 

 sunnier side of the road to permit the road to dry after rains. In many 



