55 



funerea, the characteristics of which are a white 

 resinous drop, a decaying belt of bark with an 

 intumescence node overlaying it. The official 

 statistics putting the experiments in Prussia at 

 12*7 hectares by no means represent all the 

 attempts at cultivation in Prussia, much less 

 Germany. 



43. ChamcBcyparis nutkcensis, Spach., Nutka 

 Cypress, Yellow Cypress, Yellow Cedar. 



This cypress, which constitutes the best wood 

 in the north of West America as far as Alaska, 

 has not been officially recommended for planting 

 in Germany, because of the unfavourable results 

 of a few garden specimens. The majority of the 

 experiments which were carried out by Mayr 

 show that this tree is almost on a par with the 

 Lawson cypress as regards its excellent proper- 

 ties and the dangers to which it is liable. In 

 exposed areas, however, it is much more sensitive 

 than the Lawson cypress. 



44. Picea engelmanni, Engelmann's Spruce. 



45. Picea pungens, Engelm., Blue Spruce. 



46. Picea sitkcensis, Mayr (Sichensis Trautw. 



et Mayr), Sitka Spruce, Tideland 

 Spruce, Menzies Spruce. 

 As there is no prospect that these three spruces 

 will produce a better wood than the native article 



