- 



FORESTRY AND IK R I . : 







the suppli. - g -lar. the rate 



msumption. etc. 

 The dendro chemical laboratory .which 



- conducted in cooperation with the 

 Bureau of Chemistry, obtained much 

 valuable information in its study of gums 

 and rt- - :he production of tann - 

 the use of different woods for pulp manu- 

 facture, the effects of poisonous chem- 

 icals on the 1:: trees .ud the detec- 

 tion of adulterants in turpentine. 



The life history of various insects 

 harmful to trees in the '. st <outh. and 

 We-: was -tudied by the I - of 

 Forest Entomology in cooperation with 

 the Bureau. It has been estimated that 

 insects destroy every year 5ioo.ooo.ooo 

 worth of timber. Experiment - 

 carried on in methods of lessening this 

 great damage. 



Studies were made of the ba-k-. .vil- 



industry and of the maple--.-. _ 

 industry, and bulletins on both subjt 

 are now in preparation. 



Work in fore-, investig us for the 



-viing year will include 



Bulletins containing descriptions of 

 thetre-.- the Northeastern . South- 



sten Rocky Mountain. Southw^-t- 

 and Pacific slope re _; ns 



An attempt to clear up the con! - on 

 in the common names of tr , - 



A - of forest distribution in two 



counties of Maryland. 



^pecial studies of I -.distribution 

 -ouri and Arkansas. 



A sto -.' E _ ".'-. California: 



of the acacias of the South ssl and of 

 the uses structure and charactv >. 

 arious American timbc - 



Further experiments in turpentine 

 orcharding under the cup and gutter 

 y stem to determine the minimum 

 ich it is necessary to inflict on 

 the tree, the rest cone : - which 

 mak, : - the highest productivene 

 and the like. 



A forest .xhibit at th - Id's Fa 



St Louis. 



FORES KXTENSION. 



Plans for tree planting were made 

 Applicants in 29 states. These plans, 

 which involved the examination | - 

 ; ; acres of land, were made in accord- 

 ance with the cooperative plan inar g 



:e Bureau. Me- 



For farm woodlots of not more than 

 10 t . icres there were several 



notable E us A plar. 



pared for roS acres on the Presic II 

 itary X.- -.. ation of San Franc:- 

 Planting pla: - re prepared for the 

 gi an Is : t K state institul as 

 X rth Dak . it the request 

 ernor White. Other pla:> were 

 pared for farmers in the prairie reg 

 along the Fo: 'th and Denvr C 



Railroad at the reque-: : thai :om- 

 pany. and more than 600.000 tree- 

 set t 



A planting plan was prepared for 4 

 acr-.- . jllmar. nty , Ala. , formea 

 covered by Longleaf and Shortlea 

 It was recommended that Loblolly 1 

 and\\"hitc < I - md Chestnut 



be planted on the land. 



D apply ing f r planting plans show 

 ev^ry -.vhere a disj - x>n to follow the 

 recommendations of the Bureau. Plant - 

 - isly made are being car- 



ried out with encouraging prosr - - 

 success 



-r plant *. .-on the . - 



: rest Reset E : N. '- -ka and 

 the San Gabriel For : Jali- 



: rnia. The boundaries of the Dismal 



-en - e have been sun-eyed . 

 mark Eight res : 



adjoining the reser\-e have been fenced, 

 and pa". : the land c ted into a 



tree nv th space for the gr 



: : -xxooo plants. M sands 



of Western Yellow Pine and : ine 



seedlin^- . collected in the 

 Hills and in Minnesota for plan: g 

 the - - _ QtheS 



Gabriel Resen-e much experime- 

 plantir. ^ - done on 

 are.- ."he planting v - ne mo- 

 h pine seeds in seed -; ts The 

 - eraged $7.41 per acre. 

 The natural reproduction of e _ 

 - - has -tudied amor._ 



hardwood- >klahoma. the \\~c-tern 



tie on the Pres 



Arizona, and the White Pine 

 abandoned fields and pasture- : N 

 England. 



important brai: Bu- 



reau's rk is 1 si F forest 



ring pract .ible 



