268 
Negundo. 
palustris , 
dipkylh . 
spathulata. 
OCTANDRIA MONOGYNIA. Acer. 
In Canada and on the Allegany mountains j frequent. 
Tj . April, May. v. v. Flowers very small, greenish- 
yellow. 
10. A. foliis pinnatis tcrnatisve inaequaliter serratis, floribus 
dioicis. Willd. sp. pl. 4. p. 992. 
Icon. Mich . arb. 18. Schmidt arb. 12. Wangh. amer . 
t. 12. f. 29. 
On the banks of rivers : Pensylvania to Carolina. \ . 
May, June, v. v. A large tree, commonly called 
Box Elder or Ash- leaved Maple . 
343. DIRCA. Gen. pl. 665. 
I. Dirca. IVilld. sp. pl, 2. p. 424. 
Icon. Duham. arb. 1. t. 212. Amcen. acad. 3. t. l.f. 7. 
In shady and boggy woods : New York to Carolina. 
Tj . March, April, v. v. A low shrub ; flowers 
yellow ; known by the name of Leather-wood, on 
account of the extraordinary toughness of its branches. 
344. JEFFERSONIA. Barton in act. philad. Mich. ft. 
amer. 1. p. 23 6. 
J . Jeffersonia. Bart. 1. c. 
J. Bartonis. Mich.Jl. amer . 1. p. 237* 
Podophyllum diphyllum. Willd. sp. pl. 2. p. 1141. 
On the side of hills, in rich soil, particularly limestone : 
Virginia and Tennassee 5 plentifully about Harper's 
Ferry and the Sweet-springs, Virginia. 1/, April, 
May. v. v. Flowers white, resembling those of 
Sanguinaria ; the capsule is covered with a lid, which 
opens with elasticity and scatters the ripe seeds. 
345. FISTIA. Gen.pl.lU2. 
1. P foliis in petiolum abrupte angustatis superne dilatatis** 
rotundato-obtusls. Mich.fl. amer. 2. p. 162. 
In Carolina, Michaux . 4- . Flowers white, axillary. 
