LAI51ATK. 263 



2. S. palustris, L. Marsh Hedge-Nettle. 



S/em softly pubescent, or smooth below : leaves oblong-lanceolate, eremite-toothed, 

 rounded or heart shaped at the base, rugose, hairy, nearly sessile; whorls 6 to 10- 

 Bowored; cdh/x smooth, the teetih lanceolate, acute and -omewhat spiny. 



Wet places. July, Aug. Per. Stem 2 to 3 feet high, branched. Flowers pur- 

 plish, in whorls. fuTmiug a long terminal spike. 



3. S. iiyssopieolia, Michx. Smooth Hedge-Nettle. 



Smooth or nearly so; leaves linear oblong, sessile, obscurely teethed towards the 

 nj-'ox; whorls 4 to 6-flowered ; calyx smooth, lanceolate, acute; corolla twice or 

 thrice tlie length of the calyx. 



Wet sandy places. July- Per Stem slender, ascending: to 12 inches high. 

 J.mv.s eflen" linear, very finely toothed. Flowers purple, sessile in whorls near 

 .the summit of the stem. 



26. MAftRUBIUM, Linn. Horetiounp. 



A name of Tliny, said to be derived from the Hebrew marrah, a bitter juice. 



Calyx tubular, 5 to lO-ncrved, nearly equally 5 to 10- 

 toothed; throat hairy. Corolla 2-lipped ; vpper lip ereot, 

 flattish, notched; hiccr lip spreading, o-clcft, the middle 

 lobe broadest. Stamens 4, in -hided in the tube of the 

 corolla. — Whitish-woofy bitter perennial herhs t with rugose 

 and crenelle or cat leaves, and whitish flowers. 



M. VtJLGAREj L. Com?non llorclumnd. 



Stem ascending; leaves round-oyafe', cr: nate-to othed, petroled : /lowers in distinct 

 nr.d dense capitate whorls : cahj.r wilh 10 recurved teeth, the alternate ones short r 



Roadsides and waste places, common, naturalized, duly. Aug. Stem 12 tol8 

 frches high, bran(hed from the base, covered with a while wcpl. Flowers small, 

 white, hi crowded whorls. An aromatic bitter herb, much used as a domestic 

 m d.cmc. Native of Europe. 



27. TRICHOSTEMA, Linn. Blue Curls. 



Kir. thn'x, tr.kos, a hair, p.-nd sterna, stamen; in -allusion to the hair-like stamens. 



Calyx bell-shaped, oblique, deeply 5-cleft ; the 3 upper 

 teeth elongated, the 2 lower short. Corolla 5-lobed j the 

 lobes oblong, declined j the 3 lower more cr less united. 

 Stamens 4, much exscrtcd beyond the corolla, declined and 

 then turned upward. — Low soriieichat dummy pubescent an- 

 nuals', ic ''ih entire have*, and v.odly blue Jhwers on solitary 1- 

 j. 'nicer cd pedicels terminating the branches. 



T. ihciiotoma, L. Bastard PenriyroyeL 



Stan pubescent; leaves lance al lorg or rhombic-Jan eeo^ate, rarely lancc-linean 

 petiolate, entire ; flowers inverted ; stamens very long, exserti d. 



Sandy fields and roadsides, common. July — Sept. Stem 10 to 12 inches hi<rh) 

 obtusely 4-anxlel, bushy. Flowers -axillary and terminal, becoming iaverted by 

 tho twisting of th > petiole, parpie. Stints.ri<: slea ler. curved from the lower iip of 

 tt),' corolla to the ppper. forming a bjautiful arch. 



