National Geographic : 1922 Mar
THE TRUNK OF A MAI YANG TREE (SEE TEXT, PAGE 245) The natives burn holes in these trees to collect a resin which they use in lamps. Nearly every Mai Yang tree is thus mutilated. The road from Lampun to Chiengmai runs through beautiful groves of these trees. A FICUS TREE IN NORTHERN SIAM COVERED WITH FERNS The northwestern slopesofDoi Sootep (see text, page 249) have a different climate from the slopes tothesoutheast. The former are clothed with tropical rainforests.