224 



Trees for Shade and Ornament 



FIRS 



Abies (see also Picea, Spruce). This genus contains some twenty- 

 three species from nortlicrn and mountainous habitats, requiring cool 



''m. 





Fig. 67. — Abies Pinsapo Boiss. 



positions for best success. They are mostly tall, shapely conical trees 

 of symmetrical, stiff, and formal branch habit, but less so than the 

 spruces; mostly with blunt-pointed, flat leaves, arranged comb-like; 

 densely foliaged, the leaves persisting for seven to twelve years, cones 

 standing erect, the scales falling off when mature. They are usually 

 of slow but persistent growth, and highly shade-enduring. Moist, 



