PENTANDRIA. DIGYNIA. S3 



G. SA?0VAH1A. £11. Flowers fasciculate, sessile, terminal and axillary; corolla ventricose, border connivent. 



Vulgo — Soap-wort Gentian. 



Fl. Middle of Septenaber. Fr. mat Beginning of November. 



Hab. Low grounds; borders of swampy rivulets: Pattsn's: frequent. 1 to 2 feet high: flowers blue. 



Obs. This is also a hands»me plant; the large blue flowers being clustered together at the top,— and 

 sometimes in the axils of the leaves. The root is pretty bitter; and is occasionally used as a tonic. 



106. CUSCUTA. Nutt. Gen. Append. 

 [A name of obscure derivation, and uncertain meaning.] 

 Cal. 5 or 4 ckft; fleshy at base. Cor. 5 or 4 cleft. Caps- 2 celled, circumcissed near the base. 



C AMERicAXA. Ell. Flowcrs pcduuculate, 5 clcft, Ift alternate and remote clusters. 

 Fu/g-o— Love-vine. Dodder. 



F/. Middle of August, and after. Fr- ?na?. Beginning of October. 



Hab. Moist grounds: along rivulets, &c. frequent. 2 to 6 feet long-: flowers yellowish white. 



Obs. This remarkable plant is a slender, twining, leafless, fleshy, orange-colored vine; not very unlike 

 brass, or copper wire, in appearance. It soon becomes parasitic,— losing its connection with the c-artli, and 

 deriving its support from the vegetables to which it attaches itself. Although it embraces variouis pkiUs, 

 its favorites seem to be the Mentha viridis, and our two species of Impatiens. 



C. Euiiop.aEA. Sm. Cycl. Flowers subsessilcj often 4 cleft, and tetrandrous; stigmas acute. 



F«/g-o— Flax-vine. Dodder. Devil's guts. 



Fl. Latter end of June. Fr. mat. Latter end of July. 



Hub. Cultivated grounds, chiefly among Flax: frequent. 2 to 4 feet long: flowers yellowish white. 



Oba. Resembles the foregoing, but smaller. It is a foreigner; and a very pernicious plant among flax, — 

 often entangling and spoiling whole lots of it Tlie Farmers know it by the name oi " f/je vine,'" in the 

 fiar. The German name is " Flachsaeide," or flax-silk. 



b. Corolla pentapetalous. 

 107. IIEUCHERA. Nutt. Gen. 252. 

 [Tn honor of John Henry Heucher; a German Botanist.] 

 Cal. 5 cleft. Cor. petals inserted on the calyx. Caps, birostrate, bilocular, many-seeded. 



II. AMERICANA. Ell. Viucid & pubescent; scapes naked, thyrsus elongated; leaves radical, on long petioles. 



Synon. H. cortusa. Mx. H. viscida. Ph. Fw/go— Alum root. American Sanicle. 



Fl. Latter end of May. Fr. mat. Latter end of July. 



//a6. Rich woodlands, fence-rows, &c. frequent. Scapes 2 to 4 feet high: flowers dusky red. 



Obs. The root of this is highly astringent; and is one of the Indian remedies which have enjoyed some 

 repute in the cure of ill conditioned ulcers. It is applied in the form of powder. There is no doubt but it 

 Kiay be uteful in some cases. See Barton^s collections for a Mat. Med. U. S. 



S> Flowers Superior: umbellate. Corolla pentapetaloui. Seeds mostly 2. 



a. Jnvolucrate. t fnvolucellate . 



lOS. SANICULA. Nutt. Gen. 253. 



[Lat. sanare, to heal; from its supposed vulnerary qualities.] 



Umbels subcapitate. Flowers of the disk abortive. Fruit muricate, with uncinate setae. 



S. MARiLANDicA. Ell. Leaves digitate; leaflets oblong, incised: fertile flowers sessile, sterile pedicellate. 



Fw/go— Maryland Sanicle. Black Snakeroot. 



Fl. Latter end of May. Fr. mat. Beginning of September. 



Mab. Woodlands: every where frequent. About 2 feet high: flowers greenish white. 



109. DAUCUS. Nult. Gen. 2-59. 

 [Etymology obscure: perhaps from the Gr. daro^ to afford a meal, or food; being esculent.] 

 /nvoZuc?-e pinnatifid. Umbels many-rayed. jPnni oblong, ribbed; ribs ciliate with barbed bristles. 

 D- CA-ROTA. Sm. Fl. Brit. Fruit hispid; petioles nerved beneath; umbels concave, when in seed. 

 Vulgo— WM Carrot 



Fl. Middle of July, and after. Fr. mat. Beginning of September, and after. 



Hab. Pastures and roadsides; frequent. 2 to 4 feet high: flowers white. 



06s. This naturalized foreigner is extending rapidly through the country, and threatf^ns to become a seri- 

 ous nuisance to our farmers. Being a biennial, however, itmay be subdued, by vigilance and perseverance 

 'Pheesctdcnt carrot, of the gardens, is believed to the same plant, improved by culture. The wild carrot 

 is said to be actively divrdic; and is quite popular as a remedy in calculouB complaints. An infuiicm of the 

 scrds isprffcvred; but wh?n they cannot be had, the root is used. 



