SYNGENESIA, £QUALIS. 101 
In watery thickets and near swamps; common. Perennial. 
August, September. 
11. E. leaves petiolate, in four’s or five’s, ovate- mculatum. 
lanceolate, unequally serrate, pubescent be- 
neath; stem solid, furrowed.— Willd. 
Icon. Herm. Parad. t. 158. (Pursh.) Morris. 
Hist. 3. s. 7. t. 18. 
Maculated Hemp-weed. 
Resembles No. 10, somewhat, but is not so tall. Flowers 
purple. In swampy thickets near the Buck-inn on the Lan- 
caster turnpike, and in similar situations near Frankford. Rare. 
Perennial. August, September. 
12. E. leaves petiolate, in three’s or four’s, ovate- verticillatum. 
lanceolate, cuneate at the base, unequally ser- 
rate and smoothish; stem solid, smooth.—- 
Willd. 
E. verticillatum, Willd. and Muhl. 
E. purpureum, Mich. 
E. trifoliatum, L. ? : 
Whorled-leaved Hemp-weed. 
Near six feet high. Flowers purple. It resembles No. 10, 
exceedingly, but differs in its solid stem and smooth leaves. 
In similar places with No. 10; common. Perennial. July, 
September. 
13. E. leaves sessile, sub-lanceolate-oval, acute, verbenefoli- 
somewhat obtuse, cut-dentate, roughish, pubes- — 
. cent; calices pubescent, awnless, 5-flowered.— 
Mich. ag 
E. verbenzfolium, Mich. 
Vervain-leaved Hemp-weed. 
About two feet high. Flowers white. On the edges of open 
woodsin Jersey, not unfrequent. Perennial. Augast. 
14, E. leaves connate, perfoliate, oblong, narrow perfolistum. 
above, serrate, rough, tomentose beneath ; stem 
villous.— Willd. and Pursh. 
VOL. Il. 10 

