996 



AMERICAN FORESTRY 



factory districts and poor atniosi)lieric and soil conditions 

 that it is often better to have that tree than none at all. 



The Silver maple is very pretty in its mode of branch ■ 

 ing and grows rajiidly, liut in most respects is as unde- 

 sirable as the poplar and mure subject to dead wood and 

 injurious insects. 



The ailanthus like the pojilar has the advantage of 

 being able to grow where few other trees will grow. 

 ^Moreover it is well formed and straight. The seriou.- 

 objection, however, is the brittle character nf its wood 

 which causes frequent accidents, especially in wind 

 storm. It is short-lived and has a tendency to become 

 hollow when it reaches a diameter of al)out - feet or 

 over. 



For special use under special growing cimditions all 

 these trees mav prove of great value but for general 

 planting in large numbers on city streets their disadvan- 

 tages should be considered with the utmost regard. 



ADVICE FOR OCTOBER 



1. I'rune all dead branches before the leaves fall. 



2. Mark for removal, all trees hopelessly infested with 

 insect pests that are liable to become serious enemies in 

 a localitv. Such pests as the hickory bark beetle in the 

 hickories, and t\ie bronze birch borer in the birches are 

 examples. 



3. Collect and Imrn the egg masses of the Tussock 

 moth and destro\- the eggs and cocoons of other insect 

 infestations. 



4. Sprav for scale insects: but before doing this, de- 

 termine the character of the insect and receive specific 

 instructions from your local State entomologist or from 

 the United States Department >>{ Agriculture. D(i not 

 sprav sugar ma]iles with oils. 



5. Treat cavities before freezing weather sets in. 



form of the tree shoulil be uniform. The harder and the 

 oftener the Lombardy poplar is cut, the faster and the 

 thicker it will grow. You can cut the tree at any time 

 from now on until the buds begin to open in the spring. 

 September or Uctober, however, are the best months for 

 doing this work. 



O. Have vou, or do vou know oi a successful trans- 

 planting of large oaks? What are the chances of suc- 

 cess in moving oaks 2 inches in diameter as compared 

 with elms, maples and like fibrous rooted species? I 

 have a problem with a virgin live oak (Ouercus (Ujri- 

 folia ) and shall appreciate any information you may give 

 me. X. C. T., Oakland. Cal. 



A. Oaks from '3 inches to 4 can be readily transplanted 

 with little difficulty and with fair chances of success, 

 'frees of larger diameter, up to 14 inches, have been trans- 

 planted with more or less degree of success ; but in each 

 case the work has been done with special lifting appa- 

 ratus and h\ men who more or less specialize in this sort 

 of work. 1 would suggest your writing to Messrs. Isaac 

 Hicks and Sons, Westbury, L. I., who are about the 

 largest tree movers in this section of the country and 

 who will undoubtedly send you their catalogue ami other 

 information along these lines. 



O. When will it l)e advisable to plant the following 

 trees, in a situation in the southern part of Cayuga 

 Countv. X. \'.: English Thorn, American holly, haw- 

 thorn, Swiss .Mountain pine. Rhododendron. Fringe tree. 

 Korean pine, Giant Arbor X'itae. Linden, and one each of 

 the following: White pine, pitch pine, table mountain 

 pine, Austrian pine, Scotch ]iine. nut pine, fox-tail pine, 

 lace-back pine and needle pine. 



M. C. C, ['('/;/(-<■ Center, X. V. 



OUESTIONS AXD ANSWERS 



A. Plant in the sjiring of IDUi. About the beginning 

 O. Should Fombardy poplar trees be trimmed around of April, You can plant in Septemljer. but spring is 



the lower part of the tree or should the growth which 

 starts from the ground, that is the branches, be allowed 

 tc> grow, for, seeminglv. by doing so they withhold from 

 the upper part of the tree the strength needed. 



C. F. (J., Center Harbor. X. II. 



preferable on general principles. 



Q. I am sending vou specimen from a Dogwood that I 

 haxe in my yard. This Iilight seems to be affecting the 

 whole tree. Can vou ailvise a remedv? 



A. Lomliardv poplars are only beaiitifnl :ind natural 

 when the branches are allowed to grow tliickl\ from the 

 very bottom to the very top. The little branches should 

 ncirr be trimmed around the lower part so as to bare the 

 stem. When a Lomliardy f)opIar Ijegins to thin out or 

 grow old, the best thing to do is to cut off a great por- 

 tion of the top, varying with the size of the tree, and cut- 

 ting back all the little branchlets along the whole surface 

 of the tree. I do not mean to cut any of these off" en- 

 tirelv, but just to remove a part of them, half or more, 

 according to the condition of the tree. After cutting the 



.\. The jircmaturc turning of the dogwood leaf and its 

 (h-\- condition shows that the tree is suffering irn\u too 

 much exposure or too little water. Dogwood naturallv 

 grows best in deep woods where the moisture from their 

 leaves does not evaporate as readil\- as in exposed places, 

 and where their roots can find plenty of moisture. There 

 is no evidence of disease. Would suggest cutting back 

 the tree lightly this fall — not cutting out any Ijranches 

 entirely but just cutting back from the ends. Dogwoods 

 respond to this treatment well. Also cover the tree with 

 a nuilch of leaf mold late in the fall. 



