234 FOREST CULTURE AND 
furniture and other things. The shells of the nut 
yield black pigment. Trees of choice quality of wood 
have been sold for six hundred pounds, the wood be- 
ing the most valuable of Middle Europe. Can be grown 
in cold localities, as it lives at two thousand feet ele- 
vation in Middle Europe. The Californian Walnut- 
tree (Juglans rupestris, Engelmann) and the Chinese 
Walnut-tree (Juglans Mandchurica, Maxim.) ought 
to be introduced here. 
Leucadendron argenteum, Brown. — The Silver- 
tree of South Africa is included, on this occasion, 
among forest trees, because it would add to the splen- 
dor of our woods, and thrive far better there than in 
our gardens. Moreover, with this tree many others, 
equally glorious, might be established in our mild for- 
est glens, as a source of horticultural wealth, were it 
only to obtain, in future years, a copious supply of 
seeds. Mention may be made of the tall Magnolia- 
trees of North America (Magnolia grandiflora, L., one 
hundred feet high; M. umbrella, Lam., forty feet ; 
M. acuminata, L., eighty feet ; M. cordata, Michx., 
fifty feet; M. Fraseri, Walt., forty feet ; M. macro- 
phylla, Michx., forty feet), M. Yulan, Desf., of Chi- 
na, fifty feet; Magnolia Campbelli, Hook., of the 
Himalayas, one hundred and fifty feet high, and 
flowers nearly a foot across; M. sphaerocarpa, Roxb., 
also of the Indian Highlands, forty feet; the North 
American Tulip-tree (Liriodendron tulipifera, L. ), 
one hundred and forty feet high, stem nine feet in 
diameter ; Mediterranean Styrax-tree (Styrax offici- 
nalis, L.); Stenocarpus sinuosus, Endl., of East Aus- 
tralia (the most brilliant of the Proteaceze); the crim- 
son and scarlet Ratas of New Zealand (Metrosideros 
