192 
sainbucifolia. 
Americana. 
tomentosa^ 
aqnatica. 
DIOECIA, PENTANDRIA. 
1. F. folioles petiolated, oval, serrated, sessile j 
branches dotted. — Mich.f. 
Black-ash. Elder-leaved Jlsh. Water-ash. 
A large tree, not unfrequent in the neighbouring woods. 
Ij . April. 
£. F. petioles very entire, long, acuminated, pe- 
tiolated, glaucous beneath.— 
F. discolor, Muhl. 
White Jsh. 
A large and useful tree. In our woods, common. . May. 
3. F. folioles about nine, dentated, petiolated; 
branches and petioles pubescent-tomentose. — 
Mich. f. 
Red Ash. Ash. 
The commonest species, well known by the name of Ash. 
Ig . May. 
ORDER V. PENTANDRIA. 
374. NYSSA. Gen. pi. 1599. {EUagni.} 
Hermaphrodite. Calix 5-parted. Corolla 
none. Pistil 1. Drupe inferior. JS*ut 1- 
seeded. Masc. Stamina 5^ 8^ 10 and 12^ 
seated around a peltate gland. — Mutt. 
1. N. leaves ovate-oblong, very entire, acute at 
each end, glabrous ; feminine peduncles £-flow- 
ered ; berries short-ovate ; nut obtuse-striate. — 
Willd. and Fursh. 
N. aquatica, L. and Mich. f. 
N. integrifolia. Ait. 
N. biflora, Mich, and Pursh. 
