14 DAKOTA AGRICULTURAL COLLEGE 



year after transplanting becomes, then, a matter of prime importance. 

 Careful preparation of t'e ground by deep plowing and thorough har- 

 rowing, and high cultivation after planting, are aids to growth that 

 the planter should never lose sight of. Boot growth is of far greater 

 importance, during the first years of a tree's life, than top growth, 

 though luxuriant foliage always indicates good healthy root action. 



THE FOREST-TREE NURSERY. 



During the first week in March the following forest-tree seeds 

 were received from Douglas & Sons, of Waukegan, 111 : Norway ma- 

 ple (Acer platinoides), Scotch alder (Aliius incana), white birch 

 (Betula alba), European larch (Larix Europaea), red elm (Ulmus 

 fulva), cockspur thorn (Crataegus crus-galli), white willow (Salix 

 alba), red oak (Quercus rubra), scarlet oak (Quercus cocciuea), 

 pin oak (Q. palustrus), hawthorn (Crataegus oxycantha), white 

 walnut or butternut (Juglans cinerea), black walnut (Juglans 

 nigra) bitter hickory (Carya amara), shellbark hickory (Carya 

 alba), pig nut (Carya porcena), Ohio buckeye (^Esculus glabra), 

 yellow birch (Betula lutea), honey locust (Gleditschia tricanthos), 

 iron wood (Ostrya Virginica), Kentucky coffee tree ( Gymnoclaudus 

 Canadensis), hackberry (Celtis occidentalis), sugar maple (Acer 

 saccharinum), canoe birch (Betula papyracea), black locust (Kobi- 

 nia pseudacacia), basswood (Tilia Americana), black wild cherry 

 (Prunus serotina), white ash (Fraxinus Americana) from Michigan 

 and from Kansas; box elder (Negundo aceroides) from Michigan and 

 from Kansas. 



As a rule there is enough cold weather in March to freeze any 

 variety of seed sufficient for its germination. 



The following varieties were mixed with moist sand and placed in 

 a shaded situation, where they were frozen until near the time of 

 planting: The maples, ash, box elder, oaks, thorns, hackberry, bass- 

 wood, wild cherry and buckeye. The walnuts, butternuts and hick- 

 ories were spread on the ground in layers three inches deep in a 

 shaded place, and covered lightly with straw. Here they were kept 

 until ten days before planting, when they were placed in a barrel of 

 water and soaked until planted. The remaining seeds were kept dry 

 until four days before planting, when they were put to soak The 

 seeds of black locust, honey locust and Kentucky coffee tree were 

 covered with boiling water 24 hours before planting. All the varieties 

 were planted April 10th. The vessels containing the soaking seeds 

 were carried to the field and the seeds were sown direct from them. 

 The frozen seeds were sown with the sand in which they were kept. 



