STUDIES IN THE VEGETATION OF THE PHILIPPINES, I. 709 
as the strip method. All through the work botanical collections were 
made, by felling trees if necessary, in order to check up the identifications. 
Thus such identifications as were made were checked up in Manila and 
those that could not be made were determined by systematic botanists. 
Thus a fair idea was obtained of the composition of the forest. 5 
Tables VI and VII show the stand of timber on two types on the 
Mindoro delta plain. (All trees over 40 centimeters were measured.) 
Table VI . — Narra type ( average of 28 hectares.) 
Scientific name. 
Dipterocarpaceae: 
Pentacme contorta Merr. & Rolfe 
Shores, guiso Blume 
Dipterocarpios sp. 
Dipterocarpus affinis Brandis 
Total Dipterocarpaceae 
Leguminosae: 
Pterocarpus indicus Willd. 
Anacardiaceae: 
Koordersiodcndron pinnatum Merr. 
Dracontomelum dao Merr. & Rolfe__ 
Meeiaceae? 
Combretaceae: 
Terminalia pellucida Presl _ 
Terminalia nitens Presl 
Terminalia e.dnlis Blanco 
Burseraceae: 
Canarium luzonicum A. Gray . 
Canarium villos urn F.-Vill. ... 
Ulmaceae: 
Common name. 
White lauan. 
Guijo 
Apitong 
Hagachac — 
Narra. 
Amuguis ... 
Dao 
Agupanga?. 
Malagabi. 
Sacat 
Calumpit . 
Celtis sp. . 
Pili 
Pagsahingui 
Malaguibuyo 
All others 0 . 
Total 
Number 
of trees 
per 
hectare. 
Per- 
cent. 
14. 811 
22. 23 
4.243 
6. 37 
2. 555 
3. 83 
.450 
.68 
22. 059 
33.11 
4.769 
7.16 
4.702 
7. 06 
3. 395 
5. 10 
4.709 
7.07 
1 
1.98 
1 
f 1. 048 
1. 57 
3.12G 
4.69 
21.498 
32.26 
66. 628 
100 
5 For a more detailed statement of the composition and character of this forest 
see Merritt, M. L. and Whitford, H. N. A Preliminary Working Plan for the 
Public Forest Tract of the Mindoro Lumber and Logging Company, Bongabon, 
Mindoro, P. I. Bureau of Forestry (Philip.) Bulletin 6 (1906) 1-55. 
0 See Merritt & Whitford l. c., 53-55, for list. 
