HYPEBICACE.E. (sT. JOHN's-WUUT FAMILY.) 57 



1. Stamens 



* Capsules 3 - 5-celled : placenta; central : flyles connivent : shrubs. 



* Carpels (cells) united only at the axis : flowers in leaf y Jew-flowered axillary 



and terminal ct/iitrs : leaves narrow, and clustered tnthe axils, persistent. 



1. H. aspalathoid.es, Willd. Stem 1 -3 high, widely branched; 

 leaves 2" - 6" long, linear, obtuse, spreading, the margins revolute ; sepals 

 like the leaves, half the length of the slightly 1 -toothed petals, and the oblong- 

 linear obtuse-angled 3-celled capsule. Wet pine barrens. July -August. 



2. H. fasciculatum, Lam. Stem G-18 high, strictly erect, aud 

 with long erect straight branches; leaves 9"- 12" long, filiform, acute, erect; 

 sepals about the length of the sharply 1 -toothed petals, and the oblong rather 

 acute-angled 3-celled capsule. Shallow ponds near the coast. July. 



3. H. galioides, Lam. Leaves liuear-oblanceolate, obtuse, tapering to 

 the base, glossy above, rigid ; cymes lateral and terminal, few-flowered, or the 

 terminal ones compound ; sepals equal, linear, acute, shorter than the petals ; 

 capsules acute. Pine barrens, Florida to South Carolina, and westward. 



Var. ambiguum. Leaves oblauceolate, mucronate, pale and thin ; sepals 

 unequal, lanceolate, narrowed at the base, longer than the petals. River 

 swamps, Florida. July - August. Stems 2 4 high. Branches ofteu 

 elongated. Leaves I'-l^'loug. 



4. H. lobocarpum, Gattinger. Stem erect, 5 - 7 high ; leaves 

 oblong-lanceolate, obtuse or barely acute, l^'-2' long; cymes terminal, 

 naked, many-flowered; sepals linear-lanceolate, 2" -3" long, shorter than 

 the petals ; capsule oblong, 5-celled, sharply 5-angled, scarcely longer than 

 the very slender style. Deep marshes, West Tennessee ( Gattinger). 



5. H. densiflorum, Pursh. Stem 2 -4 high, much branched; leaves 

 lanceolate, flat, obtuse, mucronate, 1'- 2' long; cymes simple or compound, 

 naked ; sepals oblong or oval, \ as long as the petals, and f the length of 

 the ovate 3 - 5-celled capsule. Low ground iu the middle and upper dis- 

 tricts. July -August. 



-1 -- 1 Carpels partly united, forming a 3-G-cell.ed capsule. 



6. H. prolificum, L. "Stem l-4 high, with long rather simple 

 shoots ; leaves lanceolate-oblong, mostly obtuse, narrowed at the base ; flowers 

 numerous in simple or compound clusters ; pods oblong, 3-celled." Gray. 

 North Carolina (Curtis). Tennessee (Gattinger). 



7. H. ambiguum, Ell. Stem 4 -8 high, the long straight branches 

 erect, very leafy; leaves linear-lanceolate, or linear, tapering to the base, 

 l'-2' long; cymes axillary and terminal, 7 - 14-flowered ; sepals unequal, 

 linear, acute, as long as the oblong petals; capsule ovate, 3 -4-celled. Banks 

 of streams, on the mountains of Georgia and North Carolina. July - August. 

 A low rigid form (l-2 high) occurs on the summit of Roan Mountain 

 (J. D. Sni it/,). 



# * Capsule 3-celled: placenta; central: styles separate: flowers dotted intli 



black jwints. Herbs. 



8. H. perforatum, L. Stem much branched, slightly 2-edged ; cymes 

 corymbose, many-flowered; leaves elliptical or linear-oblong, obtuse, with pel- 



