40 BOARD OF AGRICULTURE. 



Cratcegus subvillosa. (Valley of the Mississippi.) 



Liquidambar Styraciflua. (Liquidambar.) 



Viburnum prunifoliura. 



Oxydendrum arboreum. (Sorel-tree.) 



Diospyros Virginiana. (Persimmon.) 



Ilalesia tetraptera. (Silver-bell tree.) 



Fraxiuus quadrangulata. (From I\Iichigan, etc.) 



Chionanthus Virgiuica. (Fringe-tree.) 



Catalpa speciosa. (AVestern catalpa. Valley of the Mississippi River.) 

 *Uliiius alata. (AVhahoo. "Winged elm.) 



Uhnus racemosa. (American cork-elm. Western States.) 



Juglans nigra. (Black walnut.) 



Carya sulcata. (Western shellbark-hickory.) 

 *Quercus heterophylla. (New Jersey, Delaware, etc.) 



Quercus imbricaria. (Shingle-oak.) 



Quercus macrocarpa. (Burr-oak. Overcup-oak.) 



Quercus palustris. (Pin-oak.) 



Quercus Phellos. (Willow-oak.) 



Castanea pumila. (Chinquapin.) 



Taxodium distichum. (Bald cypress.) 



Picea alba. (White spruce. Northern America.) 



Pin us Banksiana. (Gray pine. Northern America.) 



Pinus ^uugens. (Table-mountain pine.) 



From the Rocky Mountain Region. 



Crataegus rivularis. (Interior mountain region between Rocky and 

 Cascade Mountains.) 



Populus angustifolia. 



Abies concolor. (White fir.) 

 *Abies subalpina. 



Pseudotsuga Douglasii. (Douglas spruce.) 



Picea Engehnanni. 



Picea pungens. (Blue spruce. Abies Menziesii of Colorado.) 

 ♦Larix occidentalis. (Northern Rocky Mountains and interior mountain 



region.) 

 *Pinus contorta, var. Murrayana. 



Pinus flexilis. 



Pinus ponderosa. 



Exceptional Species from the Pacific Slope. 



Rhamnus Purshiana. (Bear-berry.) 



Acer circinatum. (Vine-maple.) 

 •Crataegus Douglasii. 

 *Pirus rivularis. (Oregon crab-apple.) 

 •Populus tricocarpa. 

 •Abies nobilis. 

 •Picea Sitchensis. 



