Photo by W. L. Bray: 
Fic. 38. Dwarf balsam and spruce on the summit of Mt. Marcy. In the 
photograph the dwarf, shrub-like conifers are matted in a shallow ravine. 
Photo by W. L. Bray 
Fic. 4. The heath-mat type of vegetation — chiefly Rhododendron Lap- 
ponicum in the foreground — on the summit of Mount Marcy. A matrix of 
fibrous peat interwoven with woody stems and roots of living heath shrubs, 
dwarf conifers, etc. is formed. 
