SILVER FIR: YEW 



315 



or emarginate : dark polished green above, and grooved 

 along the midrib, paler and with two silvery stomatal 

 lines beneath. Dying leaves yellow. On the cone-bearing 

 shoots the leaves are more upturned. Petiole short, 

 leaving a smooth circular scar. Stomata beneath only : 

 palisade layer present. Venation simple. Vascular bundle 

 double. A resin-canal in each angle. 



$} Lower surface of leaf glaucous, but 

 devoid of the silvery stomatal lines ; 

 apex acute but not pungent. Shoots 

 not resinous. 



Taxus baccata, L. Yew (Fig. 122). Dark bushy tree. 



Fig. 122. Yew, Taxus baccata, p. 315 (Wi) 



