586 OCTANDRIA. RlONOGYNIA. rhe^ia, 



hairy; leaves sessile, ovate-lanceolate, serrate-ciliate, sprin- 

 kled with appressed hairs on both sides. JV il I d. Spec, II, 

 p. 301. Bot. Mag. 968. L a m, ///. 283, f, 2. Mich^ 

 FL I. p. 222. Pursh Fl. I. p. 258. Big. Bost. p. 91. 

 Elliot i S/c. L p, 439, Bart. Fl. Jim. Sept. I. t. 4. 

 Gron. Virg. 41. P luk. Aim. 235, t. 202. f. 's. 



Root perennial. Stem about a foot high, quadrangular, with mem- 

 branaceous angles, which are a little hairy, dichotomously pa- 

 niculate above. Leaves opposite, rarely ternate, an inch long, 

 acute, 3-nerved, with scattered hairs on the upper surface, 

 and on the nerves beneath ; margin distinctly serrulate. Pe- 

 duncles terminal, subcorymbose. Calyx exactly urceo- 

 late ; segments lanceolate, acuminate. Corolla bright purple, 

 large ; petals obovate, caducous. Filaments subulate, shorter 

 than the petals, inserted in the margin surrounding the mouth 

 of the calyx ; anthers at first hanging down, but ascending as 

 the flowers expand, linear, obtusely calcarate at the base, in- 

 curved, 1 -celled, yellow, with a small setaceous process at their 

 junction with the filaments, di.jcharging their pollen through 

 a terminal pore.f Style longer than the stamens, curved ; 

 .sr/^-wa obtuse, pubescent. Ca/jsw/e sub globose; valves open- 

 ing by an oblong fissure in the middle of each cell. Seeda 

 numerous, subreniform, cochleate, with a large concave umbi- 

 licus at one extremity. 



Hab. In wet meadows, among high grass; not uncommon, 

 July — August. Deer-grass. 



2. R. marxana L,: very hairy ; leaves lanceolate, acute 

 at each end, 3-nerved, subpetiolate ; calyx tubular, nearly 

 smooth. Willd. Spec, n.ip.301. L a ?n. ///. t. 283. f. 1 . 

 Bot.Cab.36G. Mick. Fl.l.^.'21\. PurshFl.l.'p. 

 257. Elliott Sk. I. p. 237. Bart. Fl. Jim. Sept. I. t, 

 27. Walt. Car. p. 130. P luk. Mant. t, 428. f. 2, 



Root perennial Stem a foot high, nearly terete, sulcate, branch- 

 ed, covered v/ith brownish spreading hairs. Leaves varying 

 from lanceolate to ovate-lanceolate, serrulate-ciliate. Calyx 

 ventricose at the base, contracted at the throat, which is tubu- 

 lar and slightly hairy ; segments linear-lanceolate, setaceous at 

 the extremity. Corolla purple j petals oblique, broad-ovate. 

 Anthers gibbous, and obtusely calcarate at the base., 



Hab. In bogs and sandy woods, near waters. New-Jersey to 

 Carolina. Pursh. In Maryland. Muhlenber g. 



3. R. ciliosa Mich.: stem subquadrangular, smooth j 



•j- JVfr. JSTuttall remarks, of the anthers in this genus, "that they 

 emit tlieir pollen byasing'le clandestine pore, situated at the junction with 

 tlie filament ; the pore guarded by a single seta." To me, however, they 

 appear to open as in the rest af the Nat. Ord. MEtASTOM.\cEa!, by a terminal 



