PENTAKDRIA DIGYNIA. 



199 



255. ATRIPLEX. Gen. pi 1577. 



A. caule frulicos':), foliis alternis oppositisve oblongo-sub- Halimus. 

 rhombeis integerrlmis. IFilld. sp. pi. 4. p. Q5/. 



On the sea-coast of Virginia. Gronovius. ^2 • ^'' ^- ^^ 

 Hortis. I take this species up only on the authority of 

 Gronovius, having never seen it myself as a native of 

 America. 



A. caule erecto herbnceo, foliis triangularibns dentatis hortensis, 

 concoloribus, calycibus fructus ovatis reticulatis inte- 

 gerrlmis. Willd. sp. pi. 4. p. g6l. 



Frequent in fields and about gardens. ©. July. v. v. 

 . A. caule erecto berbaceo, foliis triangularibus profunde laciniala. 

 dentatis subtus albidis, calycibus fructus rhombeis tri- 

 nerviis denticulatis. W^illd. sp. pL 4. p. g63. 



Icon. Moris, hist. 2. s. 5. t. 22./. I/. 



Near the sea-coast, on banks of rivers : New York to 

 Virginia. Q. June — Aug. v. v. Leaves gray. 



A, caule herbaceo erecto, foliis triangulari-hastatis pro- hastala. 



funde dentatis concoloribus, calycibus fractus sinuato- 

 dentatis, dente intermedio elongato. Wiild, sp. pi. 1. 

 p. 963. 



Frequent about gardens and in fields. Q. July, v. v. 



256. CANNABIS. Gen. pi. 1522. 



1 . C. foliis digitatis. IVilld. sp. pi. 4. p. 768. 



Common hemp is frequently found in fields, apparently 

 indigenous, though it is one of those plants intro- 

 duced from Europe. O • 



257. HUMULU3. Gen.pl. 1523. 



1 . Humulus. Willd. sp. pi. 4. p. 769. 

 In deep shady valleys on the mountains and on river sides 

 in the lower countries, frequent. It is really indi- 

 genous. 1/ . 



sativa. 



Lupulus. 



258. ULMUS. Gen. pi. 443. 



1. U, ramis laevibus basi inaequalibus : serraturis uncinato- 

 acuminatis, floribus pedicellatis, fructibus villo den- 

 sissimo fimbriatis. — Willd. sp.pl. 1. p. 1325. 

 Icon. Mich. art. t.. .. 



americana. 



