2W OCTANDRIA MONOGYNIA. AcCf, 



In Canada and on the Allegany mountains ; frequent. 

 Tj . April, May. v. v. Flowers very small, greenish- 

 yellow. 

 Xiegundo. lO. A. foliis pinnatis ternatisve inaequaliter serratis, floribus 

 dioicis. Willd. sp. pi. 4. p. 992. 



Icon. Mich- arh. 18. Schmidt arb. 12. IVangh. amer. 

 t. 12. f. 29. 



On the banks of rivers : Pensylvania to Carolina, fj . 

 May, June. v. v. A large tree, commonly called 

 Box Elder or Ash-leaved Maple. 



paluslris. 



iiphylla. 



343. DIRCA. Gen.pl.QQ5. 



1 . Dirca. Willd. sp. pi. 2. p. AQA. 



Icon. Duham. arb. 1. /. 212. Amoen. acad. 3. /. \.f. 7. 



In shady and boggv woods : New York to Carolina. 

 Pj . March, April, v. v. A low shrub } flowers 

 yellow J known by the name of Leather-wood, on 

 account of the extraordinary toughness of its branches. 



344. JEFFERSONIA. Barton in act. philad. Mich. fl. 

 amer, I. p. 236. 



J . Jeffersonia. Bart. I. c. 



J. Bartonis. Mich. ft. amer. 1. p. 23/. 



Podophyllum diphyllum. IVilld. sp. pi. 2. p. l\4l. 



On the side of hills, in rich soil, particularly limestone : 

 Virginia and Tennassee ; plentifully about Harper's 

 Ferry and the Sweet-springs, Virginia. 1/ . April, 

 May. V. tK Flowers while, resembling those of 

 Sanguinaria ; the capsule is covered with a lid, which 

 opens with elasticity and scatters the ripe seeds. 



345. PISTIA. Gen. pin 12. 



tpathulata. l. P foliis in petiolum abrupte angustatis superne dilatatis 

 rotundato-obtusls. Mich.Jl. amer. 2. p. \Q2. 

 In Carolina. Michaux. + . Flowers white, axillary. 



