[ [27] Silva of California, p. 145.
[ [28] Professor Jepson states that "stands of 125,000 to 150,000 feet, board measure, to the acre, are not uncommon," op. cit. p. 151.
[ [29] It is nowhere truly wild, and is a relic of a very ancient flora. Geological evidence shows that it is the last survivor of an ancient family, which flourished during Secondary times, and can even be traced back to the Primary rocks. In Mezozoic times this genus played an important part in the arborescent flora of north-temperate regions. Fossil remains, almost identical with the present existing species, have been found, not only in this country and North America, but also in Greenland.—A Naturalist in Western China, by E. H. Wilson, ii. 45.
Transcriber's Note
Hyphenation has been standardised.