PENTANDRIA, TRIGYNIA. 
151 
2. U. leaves oval-oblong, with a very long acimii- 
nation, pubescent on both sides; buds tomen- 
tose, with a thick tawny wool ; flowers sessile. 
— Fers. and Mich. 
U. rubra, Mich. Arb. forest. 3 . p. 278. t. 6 . 
U. campestris, Walt. ? 
Slippery Elm. Red Elm. 
The inner bark of this tree contains a fine mucilage^ useful 
in various complaints. In the woods, near Darby. March, 
April. 
149. CELTIS. Gen. pi. 1591. (Amentace^.) 
Polygamous. — Calix 5-parted. Corolla none. 
Styles thickish^ divaricate. Drupe 1 -seed- 
ed. Masculine flowers (inferior) calix 6- 
parted^ with 6 stamina. — JSTutt. 
1. C. leaves ovate, acuminate, equally serrate, occidentalism 
unequal at base, scabrous on the upper surface, 
hairy on the under; fruit solitary. — Ftirslt. 
Icon. Mich. Arb. forest. 3. p. 225. t. 8. 
Sugar-berry Tree. American JYettle Tree. 
In Jersey, not far from the Delaware, and opposite this city, 
April, May. 
ORDER III. TRIGYNIA. 
150. VIBURNUM. Gen. pi. 503. (Caprifolia.) 
Calix small, 5-parted, superior. Corolla 
small, campanulate, 5-cleft. Berry or 
drupe 1 -seeded. — dTutU 
1. V. leaves obovate, nearly round and oval, gla- prunifoiium 
brotis, sharply serrate •, petioles winged. — Sp. FI, 
Icon. Pluk. aim. t. 46. f. 2. 
