86 SYNGENESIA. iEQUALIS. 



287. EUPATORIUM. Nutt. Gen. 642; 

 [Dedicated to Eupator, king of Pontus; who, it is alleged, first used it as a medicine.] 



Cal. oblong> mostly imbricate. Style ]on^,h\M. Pc^pws pilose, scabrous. jScerf 5-8triate, or angkd. 

 § 1. Calyx with not jnore than 5 florets. 

 E. sEssiLiFOLiUM. Ell- Leaves opposite, sessile, ovate-lanceolate, rounded at base, serrate, glabrous. 

 jF/. Beginning of August, and after. Fr. mat. Latter end of September. 



Hab. Borders of woodlands: Bath. &c. frequent. 2 to 3 feel high: flowers white. 



E. MELissoiDEs. Ph. Leavcs pctiolate, ovatCj rather obtusc, obtuselj Serrate, Veined, sub-glabrous. 

 Fl. Middle of August. Fr- mat. Last of September- 



Uab. Dry, sterile soils; R. Strode's: frequent. 1 to 2 feet high: flowers white. 



§2. Calyx with more than 5 florets. 

 E. PERFOLiATrM. Ell. Leaves connate-perfoliate, rugose, tomentose beneath; stem villous. 

 Synon. E. connatum. Mx. Fw/gro-Thorough-stem. Thorough-wort. Indian Sage. Bone-set 



Fl. Latter end of July, and after- Fr. mat. Middle of September, and after. 



Hab- Low, swampy grounds: common. 2 to 4 feet high: flowers white. 



Obs This plant is well known as possessing valuable medical properties. The cold infusion of the flowers 

 and leaves is an excellent tonic, in proper doses; and may often be given when peruvian bark is madmissi- 

 ble When administered warm, it is diaphoretic; and, in large quantities, is actively emetic and cathar- 

 tic- I have used it extensively, and with much satisfaction . 



E. AGERAToiDEs. Ell. Glabrous; leaves pctiolatc, lance-ovate, acuminatc, coarsely serrate; ^calyx scales 

 Synon. E. urticsefolium. Mx. [equal. 



Fl. Last of August, and after- Er. mat. Last of September, 



Hab. Woodlands: Brandywine, &c. frequent. 2 to Sfeethigh: flowers very white. 

 E. AROMATicuM. Ell. Leavcs petiolate, cordate, obtusely serrate; flowers corymbose, branches oppositev 

 Fl. Latter end of August. Fr. mat. Last of September. 



Hab. Woodlands: R. Strode's, &c. frequent. 1^ to 2 feet high: flowers white, fragrant. 



§3. Calyx scales scariose: Leaves mostly verticillatc 

 E. THiFOLTATUM. Ph. Stem solid; leaves petiolate, mostly in threes, ovate, tapering at each end, serrate. 

 Synon. E. ternifolium? Ell. 



Fl. Latter end of August. Fr- mat Beginning of October. 



Hab. Woodlands: Bath, &c. frequent. 3 to 5 feet high: flowers pale reddjsh purple. 



Obs Mv specimens agree pretty well with Mr. Elliott's E. ternifolium, except in the leaves,— which arg 

 disVinctly attenuate at each end. The upper leaves are frequently opposite. I have the authority of Mr, 

 gchweinitz for my plant. 



E PURPUREUM. Ell. Stem hollow, purple; leaves petiolate, in 3's,4's or 5's, lance-oval, rugose-veined 

 Fl. Middle of August, and after. Fr. mat. Last of September. 



Hab. Low meadows, and swampy grounds: frequent. 3 to 6 feet high: flowers deep purple. 

 E verticillatum; Ph. Stem solid; leaves petiolate, in 3's or 4's, lance-ovate, cuneate at base, serrate- 

 Fl. Beginning of August, and after. Fr. mat. Latter end of September. 



Hab. Woodlands, and low grounds: frequent. 4 to 6 feet high: flowers purple. 



Obs Thi'^ is certainlv nearly allied to E. trifoliatum, above mentioned. 1 have several other specimens 

 ofihAdilM frmU?, which^I have not been able to ascertain satistactor.ly, from the books,-although 

 they are doubtless all comprised in Dr. Muhlenberg's catalogue- 



288. C AC ALIA. Nutt. Gen. 645. 

 [An ancient Greek name; etymology obscure.] 

 Cal. oblong, cylindric, squamose, or sub-calyculate at base. Pappus pilose. 

 C ATRiPLTCiroLiA. Ell. Herbaccous; Icavcs petiolate, glaucous beneath; cauline rhomboid, sinuate-lobed. 

 Fu/ffo-Indian Plantain. Heal-all. Orach-kaved Caraway , ^ , , , 



„, % ,. ^ .f T,,,^ Fr. mat. Middle of October. 



S;»Woodb;;d° and low, shaded grounJ.: frequent. 3,«5 tee.Mtl.: flowe,. sreenbh whUe. 



hend the medical virtues are very tnfimg- 



