One of America’s most loved and appreciated trees is the native elm. At one time, the American elm, Ulmus americana, was probably the most well-known and widely used tree. However, Dutch elm disease ...

Leaves – simple, deciduous, alternate, about 5″, coarsely doubly serrate, usually scabrous above, and often pubescent below with an inequilateral base. Twigs – slender and zigzag. Buds – 1/4″, acute, ...

1. Gnomonia ulmea (Schw.) Thüm., the cause of the most common elm leaf spot in America, has been reported as occurring on five of the six native species of elm in this country and is of wide ...

Few trees can take the place of the millions of magnificent American elm (Ulmus americana) trees that used to grace streets in large parts of North America but fell victim to Dutch Elm disease or ...

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1. The microsporangia are in the mother cell stage in the early part of February and probably pass the winter in this stage, forming tetrads at the first breaking of winter weather. 2. The tapetum is ...

It’s a sunny September day in Castine, Maine, and I’m standing in a stranger’s yard debating how best to hug a tree. Not just any tree, but an American elm, a fully mature Ulmus americana. This tree, ...

WE are informed that there is an interesting reference by the late Prof. Meehan, of Philadelphia, to a weeping form of Ulmus americana in Proc. Acad. Nat. Sci. Philad., 1901, p. 356. Like Mr.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Once a fixture of eastern US cities, ...