ILLUSTRATIONS 



Plate I 



Fig. 1. Growth of Saccharum epontaneum, at an altitude of about 90 meters 

 on Mount Maquiling. Photograph by Brown. 

 2. View in dipterocarp forest, Mount Maquiling, at an elevation of 

 about 500 meters. The large tree in the center is an individual 

 of Parashorea plicata in the first story, the smaller trees on the 

 right are in the second story, while still smaller third-story 

 species are scattered throughout the picture. The feathery leaves 

 of the climbing palms (rattans) are the most conspicuous elements 

 in the undergrowth. The density of the vegetation is very 

 evident, the foliage of the undergrowth and lower stories being 

 so dense that most of the large trees are completely hidden. 

 Photograph by Brown. 



Plate II 



Fig. 1. View in dipterocarp forest, Mount Maquiling, altitude about 300 

 meters. The undergrowth and all small trees have been removed. 

 The clearing was done by the College of Agriculture for the 

 purpose of planting coffee, and some of the trees removed were 

 as much as a meter in diameter. In the forest shown in Plate 

 I, fig. 2, there are probably as many trees as in the one shown in 

 this picture, the difference in the number of trees seen in the 

 pictures being due to the fact that in the former case the trees 

 are hidden by the foliage, while in the latter they are in plainer 

 view. Photograph by Brown. 

 2. View along a trail in the midmountain forest, Mount Maquiling, 

 at an altitude of 740 meters. The vines that are prominent, 

 particularly in the left of the picture, are species of Freycinetia. 

 Fruits can be seen growing on the trunk of the large Ficus to 

 the right. A comparison of this view with Plate I, fig. 2, will 

 show that the midmountain forest is much more open than the 

 dipterocarp forest. Photograph by Brown. 



Plate III 



Fig. 1. View in midmountain forest, Mount Maquiling, altitude about 730 

 meters. This view shows the undergrowth and the open charac- 

 ter of the midmountain forest even better than Plate II, fig. 2. 

 Photograph by Brown. 

 2. Large aerial roots of a tree in the mossy forest on Mount Maquiling. 

 Photograph by Brown. 



text figure 



Fig. 1. Average percentage, by months, of moisture in the soil at a depth 

 of 20 centimeters at different elevations on Mount Maquiling. 



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