illustrations 
PLATES 
Natural Reproduction From Seed Stored in the Forest Floor 
Page 
Plate i. A general view of a representative portion of the Yacolt Bum of 
1902, Columbia National Forest, looking southward from Lookout Moun¬ 
tain. 26 
Plate 2. A.—“Interrupted” reproduction of noble fir on the west slope of 
Lookout Mountain. B.—The picture shows the method of measuring the 
height of the seedlings by means of a graduated stick which was used also 
in determining the width of the transect, 8 % feet. A representative stand 
of noble- and silver-fir reproduction on the northeast slope of Lookout 
Mountain. C.—A fire line cut through 18 inches of litter and duff, Foss 
River fire, September, 1914, Snoqualmie National Forest. D.—This pic¬ 
ture was taken just inside the fire line, about 15 feet from the upper pic¬ 
ture. 26 
Plate 3. A 20-year-old stand of Douglas fir (with white pine and others) which 
succeeded a single fire. 26 
Plate 4. A.—Reproduction in a 1902 bum of the Cowlitz area, about 10 chains 
from the nearest seed trees. B.—Results of a 1910 fire following a 1902 
bum. 26 
Plate 5. A.-—Douglas fir, 16 years old, which has been producing seed since its 
fourteenth year. B.—A clump of reproduction which escaped a 1910 fire 
(Upper Cispus, Rainier National Forest). C.—A clump of true firs which 
escaped all fires, surrounded by a small area of reproduction which resulted 
from 1875 fire, but was injured, and some of it destroyed by subsequent 
fires, notably that of 1892. D.—A barren waste left where the fire of 1892 
followed the fire of 1875. 26 
Plate 6. A.—Reproduction resulting from a single fire in a typical mature fir 
forest. B.—Homesteaders clearing in an alder “bottom” surrounded by 
second growth Douglas fir. 26 
Plate 7. A.—Douglas-fir reproduction in the brush thickets of the Cispus 
bum, Rainier National Forest. B.—A 1902 fire followed by a 1910 fire, 
photographed in 1915, Oregon National Forest, near Summit R. S. C.— 
Reproduction 20 years old, at Esperance, Wash. 26 
Endrot of Cranberries 
PLATE A. 1.—Five Late Howe cranberries showing typical appearance of 
endrot starting at the blossom end. 2, 3.—Cranberries from Wisconsin; 
showing the appearance of the endrot starting at the stem end. 4.—En¬ 
tirely rotten berry affected with endrot. 5.—Appearance of endrot on the 
lighter-colored fruit, beginning at the stem end. 6, 7.—Cultures of the 
endrot 46 days old on stems of Melilotus alba , showing the various color 
changes in the fungus from the youngest to the oldest growth. 8.—Culture 
of the endrot fungus 39 days old on cranberry agar-gelatin, showing the 
various colors produced. 42 
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