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I AMERICAN forestry] 



I THE MAGAZINE OF THE AMERICAN FORESTRY ASSOCIATION | 



I PERCIVAL SHELDON RIDSDALE, Editor I 



Herman H. Chapman 

 Ernest A. Sterlino 



1 July 1917 Vol. 23 



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I IMt tlMllllt IIIIIIIIII 



EDITORIAL ADVISORY BOARD 

 S. T. Dana 

 Frederick S. Underbill 



CONTENTS 



John E. Rhodes 

 S. N. Spring 



No. 283 1 



Can and Cannon; Drier and Dreadnaught By Norman C. 



McLoud 389 



With fourteen illustrations. 



Forest Regiment Off for France 396 



Lumber for War-Time Uses 397 



Lumber for an Army Cantonment 398 



The Extension of National Forests in Colorado By Herman 



H. Chapman 399 



With si.x illustrations. 



Midsummer Flowers By Dr. R. W. Shufeldt 403 



With five illustrations. 



Forestry Progressing in China 407 



With twenty-one illustrations. 



Forms of Leaves 412 



With one illustration. 



Ornamental Shade Trees and Their Care By Homer D. House 414 

 With seven illustrations. 



The Wrens By A. A. Allen 419 



With nine illustrations. 



The Deadly Manzanillo By Frank Coyne 423 



With one illustration. 



Window Garden Attractions- 



With seven illustrations. 



-By C. W. H. Douglass 424 



A Giant Cactus By Stanley F. Wilson 427 



With one illustration. 



Forestry for Boys and Girls By Bristow Adams 428 



Some Interesting Trees of Singular Growth 430 



With four illustrations. 



Paper Making in the Insect World By Dr. R. W. Shufeldt ... 431 

 With three illustrations. 



Pine Blister Disease Work Progresses 433 



Editorial : 434 



Arkansas Supports the National Forests. 

 A Visitation and a Moral. 

 Colorado Redeems Herself. 



The Diplomatic Forest Ranger. By W. G. Morison 435 



Jack London's Oak 435 



With one illustration. 



National Park Service Organized 437 



With one illustration. 



American Forestry Magazine Praised 433 



Canadian Department By EUwood Wilson 438 



Ciurent Literature 440 



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I SPECIAL OFFER TO MEMBERS ONLY I 



I One of the following described books will be presented free of charge to any member of the | 



I American Forestry Association who secures ONE NEW subscribing member : i 



I No. 1 Field Book of American Trees and Shrubs, 465 pages, 275 illustrations of trees, leaves, j 



I blossoms, fruits, seeds, area of growth, etc. | 



I No. 2 Field Book of Wild Birds and Their Music, 262 pages, 38 colored and 15 other full-page | 



I illustrations. | 



I No. 3 Field Book of American Wild Flowers, 587 pages, 24 colored plates and 215 full-page j 



j illustrations. i 



I FILL OUT THIS BLANK | 



I I present for Subscribing Membership in the Hmerican JfOteStrp HsSOCiattOtl, 1 



I including American Forestry Magazine, and enclose $3.00 for the 1917 fee | 



I Name | 



Address City I 



Send Book No. 



to Name 



Address City. 



$2.00 of above fee is for Bmerican fforcstrg for One Year. 



AMERICAN FORESTRY is published monthly by the American Forestry Association. 



Subscription price without membership, three dollars per year; single copies, twenty-five cents. 



Entered as second-class mail matter December 24. 1909, at the Post-office at Washington, under the Act of March 3, 1879 

 Copyright, 1917, by the American Forestry Association 



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