HARDY CONIFERS FOR PRIVATE ESTATES. 85 



not to any serious extent. The beetle lays its eggs in the month of 

 May on the shoots of the previous year. During the month of 

 June and first part of July the larvae feed on the inner bark, and 

 the shoots turn yellowish and brownish and soon die down to the 

 base of infestation. If the infested terminals are cut off as soon as 

 detected in June and July and burned, the broods of the weevils 

 will be destroyed. Professor A. D. Hopkins, Entomologist of the 

 United States Department of Agriculture, states that this course, 

 however, may destroy large numbers of valuable parasites. He 

 recommends placing those infested shoots in a tight barrel securely 

 covered with wire fly-screen netting, so that the parasites may 

 escape, while the beetles perish. By the first of October the weevils 

 will be dead, and the netting may then be removed, but the barrel 

 and its contents should be left until the following June to allow the 

 escape of the later developing parasites. 



We will give brief general descriptions of what we consider the 

 best and hardiest conifers for the northern and northeasteni states, 

 and we will take up the pines first. The section which includes the 

 white pines, or those with five leaves in a sheath, are perhaps the 

 most ornamental. 



The White Pine {Pinus Strohus), although a familiar native, is 

 very handsome and desirable. The light glaucous-green foliage 

 when stirred by the wind has a most pleasing effect. It grows 

 about as rapidly as any conifer when planted under congenial 

 conditions. Although growing naturally as far north as Manitoba 

 if it is planted in bleak situations and exjjosed to cold, northwest 

 winds it suffers greatly. It is therefore advisable to plant it where 

 it will be protected by the lay of the land, or otherwise, from the 

 sweep of the prevailing cold winds. Amongst the different forms 

 of the White Pine in cultivation a dwarf, compact variety dissemi- 

 nated from the Arnold Arboretum is a very desirable garden subject. 

 The Swiss Stone Pine (P. Cembra) has a distinctly compact 

 pyramidal outline. It is slow growing but it is a remarkably 

 handsome pine, both in juvenile and adult conditions. It will 

 retain its branches almost from base to summit when it attains 

 maturity if not crowded by other trees. 



The Corean White Pine (P. Koraiensis) is one of the most useful 

 and beautiful of the foreign white pines. It is said to seldom 



