OSIER WILLOW 287 



shoots broader and glandular-toothed, caducous. No 

 upper stomata. Autumn leaves yellow. 



Fig. 109. Osier, Salix viminalis, p. 286 (Sc). 



Venation weak, pinnate-reticulate, though the curved 

 secondaries breaking up soon after leaving the midrib may 

 be fairly distinct. Tertiaries weak and numerous, and 



