I 8 TREES OF NEW ENGLAND. 



appearance to the twig, about g of an inch Long; bluish-green, 

 glaucous on the new shoots, needle-shaped, L-angled, slightly 

 curved, bluntish or sharp-pointed, often mucronate, marked on 

 each side with several parallel rows of dots, malodorous, espe- 

 cially \\ hen bruised. 



Inflorescence. April to May. Sterile (lowers terminal or 

 axillary, on wood of the preceding season; distinctly stalked; 

 cylindrical, .', an inch long; anthers pale red : fertile flowers at 

 Oi near ends of season's shoots; scales pale red or green, 

 spiralh imbricated, broader than long; margin roundish, 

 entire or nearly so; each scale bearing two ovules. 



Fruit. Cones short-stalked, at or near ends of branchlets, 

 light green while growing, pale brownish when mature, spread- 

 ing, 1-2^ inches long, when closed cylindrical, tapering towards 

 the apex, cylindrical or ovate-cylindrical when open, mostly 

 falling the first winter; scales broad, thin, smooth; margin 

 rounded, sometimes straight-topped, usually entire. 



Horticultural Value. A beautiful tree, requiring cold wim 

 ters for its finest development, the best of our New England 

 spruces for ornamental and forest plantations in the northern 

 sections ; grows rapidly in moist or well-drained soils, in open 

 sun or shade, and in exposed situations. The foliage is some- 

 times infested by the red spider. Propagated from seed. 



Plate VIII. Picea ai.ua. 



1. Branch with sterile flowers. 



2. Stamen, front view. 

 .">. Stamen, side view. 



4. Branch with fertile flowers. 



5. Cover-scale and o villiferous scale, outer side. 



6. Ovnlii'erous scale with ovules, inner side. 



7. Fruiting hranch. 



8. Open cone. 



9. Seed with ovuliferous scale. 



10. Leaves. 



11. Cross-sections of leaves. 



