42 
SILVA OF NORTH AMERICA. 
ULMACEZ. 
The wood of Ulmus serotina is hard, close-grained, very strong and tough, and susceptible of 
receiving a beautiful polish : it contains numerous obscure medullary rays and bands-of one or two 
layers of small open ducts marking the layers of annual growth, and is light red-brown, with pale yellow 
sapwood.’ 
Ulmus serotina has been occasionally planted as a shade tree in the streets of Huntsville, 
Alabama, and Rome, Georgia, where it is distinguished by its broad handsome head of pendulous 
branches. In 1899 young plants raised from seeds gathered at Huntsville the previous autumn were 
distributed from the Biltmore nurseries. 
been sufficiently tested in the northern states. 
covered with fruit was seen by John Muir, W. M. Canby, and C. 
§. Sargent close to the highroad which leads eastward from Hunts- 
Subse- 
quently it was found to be abundant on the hills near Huntsville 
and on those in the neighborhood of Rome, Georgia, by Mr. C. L. 
Boynton of the Biltmore herbarium. 
ville, Alabama, across the ridge known as Monte Sano. 
It is the Ulmus racemosa 
of Chapman’s Flora so far as relates to the river banks of Ten- 
The hardiness of this handsome and distinct tree has not yet 
nessee, and the Ulmus racemosa for middle Tennessee of Sargent’s 
Silva. 
1 The specimen of Ulmus serotina in the Jesup Collection of 
North American Woods in the American Museum of Natural His- 
tory, New York, is seventeen and a quarter inches in diameter 
inside the bark and one hundred and twenty-eight years old, with 
twelve layers of sapwood, which is three quarters of an inch in 
thickness. 
EXPLANATION OF THE PLATE. 
Pruare DCCXVIII. Utmus serorrma. 
A flowering branch, natural size. 
A flower, enlarged. 
A pistil, enlarged. 
A fruiting branch, natural size. 
A seed, enlarged. 
An embryo, enlarged. 
A winter branchlet, natural size. 
als 
2. 
3. 
4. 
5. Vertical section of a fruit, enlarged. 
6. 
fl 
8. 
9. 
Portion of a branchlet with corky wings, natural size. 
