^ 



478 MELASTOMACEiE. Rhexia. 



Georgia! Alabama! and Florida ! (on the margin of pine-barren ponds, 

 generally in water, Dr. Chapman). Aug.-Sept. — Stem 3-4 feet iiigh. 

 Leaves (two inches or more long) about the length of the mternodes, the 

 lowermost ovate, the uppemiost narrowly lanceolate. Flowers resembling 

 R. Virginica. 



I-- 5. R. glabella (Michx.) : stem nearly terete, simple, and, as also the 

 leaves, glabrous, slightly glaucous ; leaves lanceolate, entire or very minute- 

 ly denticulate, rather thick, obscurely 3-nerved, veinless ; calyx glandular- 

 hispid.— Mic/?.r./j^. 1. x>. 222,- Nutt. ! gen. 1. p. 244 ,- Bonpl. Rhex. t. 44 ; 

 Ell.sk. l.p. 438,- DC. I.e. 



p. leaves somewhat ovate. DC. — R. Alifanus, Walt. Car. p. 131 ? 



Damp woods, N. Carolina ! to Florida ! Alabama ! and Louisiana ! 

 June-Aug. — Stem 2-3 feet higli. Leaves about the length of the iuternodes, 

 sweet to the taste. Calyx infundibulifomi-campanulate above tlie ovary. 

 Petals very large, pale purple, glandular externally before their expansion. 

 — Deer-grass. 



§ 2. Anthers oblong, straight, with no setaceous process at the insertion of the 

 filament {sometimes ivith a very minute obsolete spur) : tube of the calyx 

 short and campanulate above the ovary : leaves ovate, sinall : flowers sessile, 

 ( few) violet-p urple. — C alorhexia. 



; 6. R. ciliosa (Michx.) : stem simple, quadrangular, glabrous ; leaves 

 broadly ovate, slightly petioled, glabrous beneath, sparsely hispid above, the 

 margin serrulate and ciliate with long spreading bristles ; flowers nearly 

 sessile, 1-3 together, involucrate by the upper pair of leaves ; calyx gla- 

 brous, the lobes acute.— Mic/;.r. .' fl. 1. p. 221 ; Nutt..' gen. 1. p. 343; 

 Pursh, fl. 1. p. 258, t. 10 ; Ell. sTc. 1. p. 348; DC. ! jrrodr. 3. p. 122. 

 R. petiolata, Walt. Car. p. 130 ? 



Damp pine-barrens, Delaware ? and N. Carolina ! to Florida! and West- 

 ern Louisiana ! June-Aug. — Stem simple, 1-2 feet high. Flowers large 

 (li inch in diameter when the petals are fully expanded) : the cah-x wholly 

 glabrous, or with a few scattered caducous hairs. 



' 7. R. serrulata (Nutt.) : small ; stem quadrangular, glabrous, simple ; 

 leaves (very small) ovate or oval, slightly petioled, glabrous on both sur- 

 faces, serrulate and ciliate with long spreading bristles ; flowers somewhat 

 pedicelled, 1-3 together ; calyx glandular-hispid, the teeth obtuse. — Nutt. ! 

 gen. l.p. 243; DC. I. c. 



Open swamps, Georgia! to Florida! June-July. — Stem 6-10 inches 

 high. Leaves scarcely half an inch in length, much shorter than the inter- 

 nodes. Flowers smaller than in the preceding species, but large for the 

 size of the plant ; the calyx more constricted above the ovary. 



§ 3. Anthers linear-oblong, straight and erect, tcith no process at the insertion 

 of the filament : calyx much constricted immediately above the ovary, the 

 upper portion campanulate: stems brachiately branched: leaves linear: 

 florvers yellow. — Rhexantha. 



8. R. lutea (Walt.) : stem quadrangular, sparsely hispid ; leaves linear 

 and oblanceolate, rather thick, obscurely ribbed, entire, the surface and mar- 

 gins beset -with scattered bristles, the up]5€rmost mucronate with a long 

 bristle; calyx smooth and shinuig, or hispid Avith a few scattered bristles; 

 the teeth cm])idate.— Walt. Car. p. 130; Michx.! fl. 1. p. 222; Pursh, fl. 

 l.p. 258, t. 10; Nutt. gen. l.p. 244 ; Ell. sk. l.p. 440; DC! I. c. 



