ILLUSTRATIONS xxi 



FIG. PAGE 



71. Low cover formed of 4 by 6-foot lath screens supported on stakes 1 



foot above the seedbed 297 



72. Low cover of lath mats supported 1| feet above the seedbeds. . . . 297 



73. The Planet Jr. 2-wheel cultivator 299 



74. The Spitzenberg wheel hoe 299 



75. One-year coniferous seedlings in winter condition covered with 



burlap 301 



76. White pine seedbeds; stock 2 years old 303 



77. White pine seedbeds; stock 3 years old 303 



78. Blue gum growing under cover in flats or shallow boxes 306 



79. Transplanting Douglas fir seedlings by the hole or pit method. . . . 313 



80. The planting hammer 313 



81. Cross sections of planting trench 314 



82. The hand trencher 315 



83. Stringing rack and transplanting board in which the plants are held 



in place with a string 318 



84. The combined trenching and transplanting board 319 



85. Operating the combined trenching and transplanting board 319 



86. The Yale transplanting board 321 



87. Operating the Yale transplanting board 322 



88. Hacker's pricking-out apparatus 323 



89. Pricking out plants into paraffined paper pots 325 



90. Lifting white pine (2-1) with the short-handled spade 329 



91. The lifting fork 330 



92. The Feigley tree digger 332 



93. The Smith tree lifter in operation 332 



94. Bundle of 50 white pine seedlings (2-0) 333 



95. Sorting and bundling white pine nursery stock (2-1) 334 



96. About 400,000 coniferous seedlings and transplants heeled-in en 



the floor of the packing shed awaiting shipment 336 



97. Snow pit for storing nursery stock 337 



98. Standard shipping box for coniferous seedlings and small trans- 



plants 340 



99. Shipping baskets for coniferous stock 342 



100. Unpacking and heeling-in coniferous nursery stock on its receipt 



in wire shipping crates 343 



101. Standard seedbed boxes with wire tops and sides which effectively 



protect the beds from birds 351 



102. Types of nesting boxes useful for placing in and about the forest 



nursery 352 



103. Methods of regular spacing 379 



104. Diagram of the position of the men in a planting crew of 11 work- 



men 380 



105. Diagram showing the effect of deep planting 386 



106. Yellow pine planted in shallow holes 388 



107. A. Plant set in a step-like niche on a steep slope. B. Plant pro- 



tected by stones on a steep slope 391 



108. A. Layer from a bent-over branch. B. Aerial layer 395 



