156 MELASTOMACE.E. (MELASTOMA FAMILY.) 



* Anthers long, linear, cure ing upward (excejit No. 6), saccate at the base, and 

 commonly furnished with a br.'stle-li/ce appendage at the insertion of the fila- 

 ments : flowers purple or whitish. 



1. R. Mariana, L. Bristly; stein branched, terete or 6-angled ; leaves 

 lanceolate, acute, short-petioled, bristly serrate ; calyx mostly smooth, cylin- 

 drical iu flower, the neck in fruit as long as the globose capsular portion ; 

 flowers purple. Varies with narrower, often linear leaves, and smaller 

 whitish flowers. ( R. lauceolata, Walt.) Swamps. July -Sept. Stem 1- 

 2 high. Leaves 3-ribbed. Flowers 1 i' - 2' wide, hairy externally. 



2. R. Virginica, L. Bristly ; stem 4-angled, nearly simple ; leaves ovate 

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

 neck of the bristly fruiting calyx shorter than the capsular portion ; the lobes 

 ovate, acuminate. Swamps, in the upper districts. July - August. Stem 

 6'- 12' high. Leaves 3 - 5-ribbed. Flowers purple. 



3. R. stricta, Pursh. Stem tall, smooth, 4-winged, bearded at the joints; 

 leaves lanceolate and ovate lanceolate, acute or acuminate, 5-ribbed, bristly 

 serrate, sessile ; cyme compound , calyx smooth, urn-shaped, the lobes lanceo- 

 late. Margins of ponds in the pine barrens of the lower districts. July - 

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

 Flowers purple. 



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

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

 calyx smooth or bristly ; flowers large, bright purple. Low pine barrens. 

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



5. R. aristosa, Brittou. Smooth; stem sharply angled, branching, 1| 

 high; leaves sessile, linear- oblong, bristly serrulate, 1' or less long; cyme 

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

 deep purple. Low ground near Sumpterville, South Carolina (.7. D. Smith). 



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

 branched, 4-angled ; leaves lanceolate, bristly serrulate, short-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, Florida. June- July. 



* * Anthers short, oUong, erect, not appendaged : neck of the calyx short. 

 +- Flowers purple : leaves small, orate or roundish, bristly serrulate. 



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

 bristly 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 ' 1< >ng. Flowers 1 ' - H' in diameter. 



8. R. serrulata, Nntt. Low; stem simple. 4-angled. smooth; leaves 

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

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

 August. Stem 2' -6' high. Leaves and flowers smaller than in the 

 preceding. 



