26 A Bud and Twig Key 



dj. Bud-scales slightly pubescent, inner ones silky 

 tomentose, bundle-scars five, terminal bud about 

 one-half inch long ovate acute, scales three or four 

 visible dark red, leaf-scar narrow lunate, lateral 

 buds small, two scales visible, twig stout red-brown 

 glabrous becoming darker in second year, on 

 branchlets outer papery layer of bark easily separ- 

 able from green layer beneath. 



Pyrus ainericana (Marsh.) de. C. 



