Fig. 21.— ABIES CEPHALOXICA AXD A. VEITCHII. 

 Abini cfp^altm'ea. — a. shoot : b, winter bad ; c, nndef -<ade q£ about aati feifcTes ; i, 

 showing margiual resin canals. A. Teitehii. — e, shoot ;/,""** 

 Ieavt;s ; k, section oi leaf, showing median resin canab. 



133 



