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REPORT OF COMMISSION VII 
  
  
  
   
  
   
  
  
  
  
  
     
  
   
      
     
  
REIS 
» NATIVE THOPICAL VEGETATION " 
1. Hips Pals 
2, Sago Pals 
3, Wild Cane 
Le Mengrowe 
5, Busmp Forest 
&, Tall Grass 
9, Short Grass 
B. Secondary Growth 
9, Daccurins 
10. Savannah 
11, Mose Forest . 
iz. Rain Forest(undergrowth) 
   
  
NOTE « Une onrds No. 1 and 4 
respectively before making 
eny other gelectlon. 
a^ 9 a6 H i1 13 H D nm 47. 18 19 $0 3 2 D 4 0 G6 00 MM 
    
      
   
   
   
  
   
   
   
   
   
   
   
AL 
T 00 jd falus, uniform heights, {about 10 feet] imeves light in tone 
+. PEN. rarely forming 5 roeette pattern. 
pulus, vartable heigbts, 10-50 rest) leaves desk 1n Aone, 
, TES orming © roseite pattern, dark tone is broken only by 
flowers which extend higher than the general level, 
ERIS 
" NATIVE TROPICAL VEDETATION " 
  
1. Bipa Palm 
2. Suge Palm 
3, Wild Cane 
à« Mengrove 
5, Bwemp Forest 
6, Tall Gress 
7, Short Urass 
2, Secondary Growth 
9, Üasuarina 
10. Savannah 
11. Moss Forest : 
32. Rein Forast(undergrowth) 
  
     
NOTE : Use cards No, 1 and 2 
yespectively before making 
any other selection. i. NIPA PALM | 8. BAGO PALM 
  
BALES 
Fic. 8. Portion of a punch card type of photo-interpretation key. Top showing only the coded 
base. Bottom showing the superimposition of properly-selected cards, leading to the identification 
of Nipa palm. 
preter has difficulty in determining whether the vegetation in question is growing 
in a swampy site or in a well-drained one, he may not know where next to go 
in the dichotomous key. However, in the punch card type of key, for example, 
he might by-pass this difficulty by basing his identification, and thereby his 
card selection, only on features readily discernible from the particular photo- 
graphs on which he must make his identification.