i AMERICAN FORESTRY 



I THE MAGAZINE OF THE AMERICAN FORESTRY ASSOCIATION 



I PERCIVAL SHELDON RIDSDALE, Editor 



I EDITORIAL ADVISORY BOARD 



1 Herman H. Chapman S. T. Dana John E. Rhodes 



B Ernest A. Sterling Frederick S. Underbill S. N. Spring 



I July 1917 Vol. 23 CONTENTS No. 2S3 



Can and Cannon; Drier and Dreadnaught — By Norman C. A Giant Cactus— By Stanley F. Wilson 427 



McLoud ^89 With one illustration. 



With fourteen illustrations. 



Forest Regiment Off for France 396 



Lumber for War-Time Uses 397 



Lumber for an Army Cantonment 398 



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 



The Extension of National Forests in Colorado— By Herman With three illustrations. 



H. Chapman 399 



With six illustrations. Pine Blister Disease Work Progresses 433 



Midsummer Flowers— By Dr. R. W. Shufeldt 403 Editorial 434 



With five illustrations. Arkansas Supports the National Forests. 



Forestry Progressing in China 407 A Visitation and a Moral. 



With twenty-one illustrations. Colorado Redeems Herself. 



Forms of Leaves 412 xhe Diplomatic Forest Ranger.— By W. G. JMorison 435 



With one illustration. 



Ornamental Shade Trees and Their Care--By Homer D. House 414 "^^'^'wi^th^one^ilki^ration ^^^ 



With seven illustrations. 



The Wrens-By A. A. Allen 419 National Park Service Organized 437 



With nine illustrations. With one illustration. 



The Deadly Manzanillo— By Frank Coyne 423 American Forestry Magazine Praised 438 



With one illustration. /-, j- t-> -^ ^ -r. t^h i -nr-, .,„ 



Canadian Department — By Ellwood Wilson 438 



Window Garden Attractions— By C. W. H. Douglass 424 



With seven illustrations. Current Literature 440 



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I SPECIAL OFFER TO MEMBERS ONLY | 



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: j 



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



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 | 



I illustrations. | 



I FILL OUT THIS BLANK j 



I I present for Subscribing Membership in the Hmertcait Jforestrp HssOCiattOlt, | 



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



1 Name | 



Address City | 



to Name I 



Send Book No. 



I Address City | 



I $2.00 of above fee is for anierlcan Jforcstrg for One Year. | 



I AMERICAN FORESTRY is published monthly by the American Forestry Association. | 



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



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



= Copyright. 191 7, by the American Forestry Association E 



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