PENTANDRIA DIGYNIA. 
255. ATRIPLEX. Gen. pl. 1577. 
1. A. caule fraticoso, foliis alternis oppositisve oblongo-sub- 
rhombeis integerrimis, Willd. sp. pl. 4. p. 957. 
On the sea-coast of Virginia. Gronovius. b. v.v. in 
Hortis. I take this species up only on the authority of 
Gronovius, having never seen it myself as a native of 
America, : 
2. A. caule erecto herbaceo, foliis triangularibus dentatis 
concoloribus, calycibus fructus ovatis reticulatis inte- 
gerrimis. Willd. sp. pl. A. p. 961. 
Frequent in fields and about gardens. ©. July. v. v. 
3. A. caule erecto berbaceo, foliis triangularibus profunde 
dentatis subtus albidis, calycibus fructus rbombeis tri- 
nerviis denticulatis. Willd. sp. pl. 4. p.963. — 
Icon. Moris. hist. 2. s. 5. t.32. f. 17. 
Neat the sea-coast, on banks of rivers: New York to 
Virginia. ©. June—Aug. v.v. Leaves gray. 
4. A. caule herbaceo erecto, foliis triangulari-hastatis pro- 
funde dentatis concoloribus, calycibus fructus sinüato- 
uc my dente intermedio elongato. Willd, sp. pl. 1. 
p. 903. 
Frequent about gardens and in fields. ©. July. viv. 
256. CANNABIS. Gen. pi. 1522. 
1. C. foliis digitatis. Willd. sp. pl. A. p. 768. 
Common hemp is frequently found in fields, apparently 
indigenous, though it is one of those plan.s intro- 
duced from Europe. Q. 
. 257. HUMULUS. Gen. pl. 1523. 
^l. Humulus. Willd. sp, pl. 4. p. 769. rab. 
. In deep shady valleys on the mountains and on river sides 
. in the lower countries, frequent. It is really indi- 
genous. 2. 
258. ULMUS. Gen. pl. 443. 
1, U, ramis laevibus basi inzequalibus: serraturis uncinato- 
|  . acuminatis, floribus pedicellatis, fructibus villo den- 
. Sissimo fimbriatis.— B^ illd. sp. pl. 1. p. 1325. 
É Icon. Mich. arb. dn oe : - 
Halimus. 
hortensis: 
laciniata, 
hastata. 
sativa. 
Lupulus. 
americana. 
