15C MELASTOMACE-K. (MELASTOMA lA.MlI.Y.) 



• Anthers lonij, litiear, curving upward (excei>l No. 6), saccate at the liase, and 

 com iiioiili/ furnished with a hristle-like afi/untlaije at the insertion ot' tin lila- 

 inents ; /loin rs jntrjiU' vr whitish. 



1. R. Mariana, L. IJristlv ; .stem liranclic-d, terete »)r G-aii;;l((l ; leaves 

 lameolale, at iiic, sliort-petiuled, bristly serrate; ealvx mostly smooth, cylin- 

 drical ill liower, the neck in fruit as long as the glohosc? capsular portion ; 

 flowers pur|»le. — N'uries witli narrower, often linear leaves, and smaller 

 whitisli liuwers. (U. lanceolata. Wall.) — Swamps. .luly-Sept. — Stum 1°- 

 2° high. Leaves 3-ribhed. Flowers lA'-2' wiije, hairy externally. 



2. R. Virginiea, I>. Bristly; stem 4 angled, nearly simple ; leaves ovate 

 and ovate-lanceolate, barely acute, sessile, bristly serrate, the lowest roumled ; 

 neck of tlie bristly fruiting calyx shorter than the capsular ])ortion ; the lobes 

 ovate, acuminate. — Swamps, in the u])])(r districts. July -August. — Stem 

 6'- 12' high. Leaves 3-.'}-ribl)ed. Flowers jturple. 



3. R. stricta, I'msli. stem tall, smootli, 4-wingcd, bcardeil at the joints; 

 leaves lanceolate and ovate lanceolate, acute or acuminate, o-rilibed, bri.stly 

 serrate, sessile; cyme compound, calyx smoolli,urn-s]iaped, the lobes lanceo- 

 late. — Margins of ponds in the pino l)arrens of tiie lower districts. July- 

 August. — Stem 2° - 4° high. Leaves rugose, the lateral ribs obscure. 

 Flowers jfurjjle. 



4. R. glabella, Michx. Stem terete, smooth, mostly simple; leaves 

 lanceolate, .sessile, entire or slightly serrulate, thick, smooth and glaucous ; 

 calyx smo(jtli or bristly ; flowers large, bright purple. — Lov/ pine liarrens. 

 June -August. — Root spongy. Stem 2° -3° high. Leaves sweetish. 



5. R, aristOSa, Britten. Smooth; stem sharply angled, brandling, U^ 

 high; leaves sessile, linear-oblong, bristly .serrulate, T or less long; cyme 

 few-flowered ; calyx bristly, the lanceolate lobes as long as the neck ; petals 

 deep pnrplc. —Low ground near Sumpterville, Soutli Cnrohna (J. D. Smith). 



6. R. parviflora, n. sp. Sparsely bristly; stem low ((i'- 12' high), mnch 

 branched, 4-angled ; leaves lanceolate, bristly serrulate, sliort-petioled, 1' 

 long; cymes few-flowered; flowers ^' wide, white; anthers linear, straight, 

 erect, appendaged, as long as the erect filaments ; style declining. — Shallow 

 ponds, Apalachicola, F'lorida. June- July. 



* * Anthers short, ohlonp, erect, not appendaged: neck of the cali/x short. 

 t- Flowers purple : leaves small, orate or roundi.<!h, hrisllif serrulate. 



7. R. ciliosa, Michx. Stem simple, smooth, 4-angled above; leaves 

 bristlv on the upper surface, 3-ribbed ; cyme few-flowered, leafy ; calyx 

 smooth. — Bogs in the pine barrens of the lower districts. July -August. — 

 Stem 1° - 1 .1° high. Leaves rarely 1' long. Flowers 1'- U' in diameter. 



8. R. serrulata, Xmt. L.nv; stem simide. 4-angled, smooth; leaves 

 smooth' above: calyx glandular bristly ; cyme leafy, 1 - 6-flowered. — Open 

 flat pine barrens, near the coast, Florida, Georgia, and we.stward. July- 

 A^jrust. — Stem 2' -6' high. Leaves and flowers smaller than in the 

 preceding. 



