OCFANDRIA. MONOGYNIA. 253 
European maple. 3. darbatum. 4. saccharinum. (Sugar- 
Maple.) 5. nigrum. Searcely distinct from the preceding. 
Confined almost exclusively to the west side of the moun- 
‘tains. 6. macrophyllum, Pu. v. s. Somewhat resembling 4. 
Pseudoplatanus. 7. circinatum, Pa. Both indigenous, to 
North California, on Columbia river. 8. striatum. Persoon, 
1. p. 417. Pursh, L. p. 267. Owns. Racemes pendulous. 
Calix 5-cleft, petals 5, oblong; stamina 8, anthers hala, 
‘oval, small. This is certainly a correct type of the genus, 
as weil as the following. 9. montanum. 
Necunpo. Dioicous—Calix minute, 5-toothed. Pe- 
tals none. Male, with 5 stamina, anthers linear, sessile, 
‘and acuminate. Sumare similar to Acer. 
A tree, with pseudoternate or imperfectly biternated 
leaves (something like those of Fraxinus), racemes aggre- 
gated, filiform. ; 
10. * Fraxinifolium. Has, North-westward on the banks 
of the Missouri to the mountains? 
Of this genus there are § species on the continent of Eu- 
rope, Lin the isle of Crete, which is pt with leaves 
like Anemone hepatica, 1 in Tartary, 6 in Japan. 
367, DIRCA. L. (Leather-wood.) © = 
Calix none. Corolla tubulous, border obso- - 
Tete. Stamina unequal, exserted. Style filiform, 
Berry 1-seeded. A 
~ A low shrub, virgately branched; bark tenaceous; buds 
3-flowered, axillary; flowers small, pale yellow. 
Specizs. 1. D, palustris. The only species of the 
genus. = 
368. JEFFERSONIA. Barton, 
 Calix ere cite nite nee ons. 
of 8 petals, incurvately spreading. | 
ceptacular. Capsule obovate, substipitate, 1-cel- 
led, opening below the sammit by a lunate fora- 
men. Seeds many, oblong, arillate at the base. 
-. Stemless; leaves binate; scapes naked, 1-flowered; flow. 
.- ers eaducous, white. Natural order Papaveracee. ——_- 
, Spxcses. 1 J.diplylla, The only species of the genus. 
t 
