Plate VI. 



l'rr-PK(H' IN TKSTi\c;-NrA( iiixi;, ix pkock.ss of c:ollapsi\g. 



I'l r-l'kiH'.s AI-I'KK K1;M()\AI. INdM IKSTlNC^MAfHINK. 

 Jl.i ;m(l \\.j. Japanese Latch. Ai, l!i. Hj, Scots Pine. 



\To face p. 68. 



