ORNAMENTAL AND SHADE TREES 



423 



ADVICE ABOUT TREES FOR JULY 



This is the month when most of one's attention should 

 be given to spraying for insects, watering and cultivating. 



1. Spray fruit trees with Bordo-lead. 



2. Spray elms for elm leaf beetle with arsenate of 

 lead, one pound to ten gallons of water. 



3. Spray for forest tent caterpillars with arsenate 

 of lead, one pound to ten gallons of water. 



4. Spray tussock moth and other leaf-eating insects 

 with arsenate of lead, one pound to ten gallons of water. 



5. Examine the under side of beech trees, and if 

 wooly aphis is present, spray with whale oil soap, one 

 pound to ten gallons of water. 



6. Examine evergreens, especially prostrate junipers, 

 box, yew, etc., for red spider, and if necessary spray 

 with whale oil soap, one pound to ten gallons of water. 



7. Examine sycamore trees for sycamore blight 

 (gleosporium nervesequum) which produces a white, 

 woolly mass on the under side of the leaves and causes 

 them to curl and wilt. If this disease is present, spray 



with Bordeaux mixture, one pound to eight gallons of 

 water. The disease is now common in the vicinity of 

 New York City. 



S. The black locusts are now being injured in the 

 vicinity of New York City by the locust miner, a small 

 beetle feeding on the leaves. Where this insect is pres- 

 ent, and where the tree is of special ornamental value, 

 spray with arsnate of lead, one pound to ten gallons of 

 water. 



9. Examine the peach trees for leaf curl, and watch 

 all the other trees for some insect infestation, because 

 this is a month when the insects most commonly appear. 

 If you discover something new, unknown to you, write 

 for information. 



10. Trim shrubs after flowering. Do not destroy the 

 natural, drooping efifects of the shrubs, but confine your- 

 self principally to dead and old wood and superfluous 

 branches. 



THE GTREES OF BILOXI 



IX the vicinity of Biloxi, Mississippi, are several groups 

 of pine trees, which, because of their very unusual 

 shape, have been christened G-Trees. Prof. S. M. 

 Tracy, the well-known agrostologist, whose home is on 

 Treasure Point, near Biloxi, discovered these peculiar 

 trees and has described them on several occasions. 



The accompanying photograph illustrates' the general 

 character of growth. That it is not a freak caused by the 

 breaking over and continued growth towards the light, 

 of an individual tree, is indicated by the fact that there 

 are a considerable number of trees in different groups, 

 all of which have developed the same peculiar shape. 

 The same form is also found in very small trees as well 

 as in larger ones, such as the one shown in the picture. 

 This growth is confined entirely to pine trees and, as far 

 as known, has never been discovered except in the neigh- 

 borhood of Biloxi. No scientist has been found who is 

 able to explain this freak growth. 



RAILROAD IS REFORESTING 



A REFORESTATION and tree conservation work 

 was inaugurated by the Chicago, Burlington & 

 yuincy Railroad Company in 1906, at which time 

 73,000 seedlings were planted on the property of the 

 railroad at Pacific Junction, Iowa. Since that time the 

 number of trees in this grove has been increased and 

 they now number 107,000. The thousands of others have 

 been planted in different sections throughout Illinois, 

 Iowa and Missouri. It has been planned to extend the 

 work into Nebraska, and of the 50,000 seedlings now at 

 Gladstone a large number will be planted in that State. 

 The catalpa tree originally was a native of the Wabash 

 River Valley. It is easy to work and will last from thirty 

 to fifty years when used for posts or in other exposed 

 situations. 



A G-TREE OF BILOXI 



These Mississippi pines are famous for their peculiar shape, there 

 are a mimtier of tliem and no scientist has yet been able to 

 explain their freak growth. 



