344 The Philippine Journal of Science 



Plate 28 

 Shorea guiso (Blanco) Blume, cross section of wood, 5387 B. F.; x 50. 



Plate 29 

 Fig. 1. Balanocarpus cagayanensis Foxworthy, cross section of wood, 26 1 

 B. F.; X 50. 

 2. Hopea mindanensis Foxworthy, cross section of wood, 9376 B. i 

 X 50. 



Plate 30 



Plate 31 

 Fig. 1. Hopea pierrei Hance, cross section of wood, 17771 B. F.; X 50. 

 Note the peculiar disposition of parenchyma cells which tend to 

 bunch themselves on one side of the vessel. 

 2. Hopea plagata Vidal, cross section of wood, 22167 B. F.; x 50. 



