C— 3a.

65

PLATE 1. Cross-sections op Wood.

Fig. I.—Cross-section of Tawa (Beilschmiedia tawa). The slightly darkened outer zone is an indication of slight sap-stain.

Fig. II.—Cross-section of Insignis Pine (Finns radiata). The pith and sap stain are clearly defined.

Fig. III. —Cross-section of Rimu (Dacrydium cwpressinum).

9—C. 3a.