IIYPERICACE^E. (ST. JOHN's-WORT FAMILY.) 41 



than the calyx. (II. amoenum, Pursh.) Banks of the Flint River, Georgia to 

 Tennessee, and westward. June -August. Stem 2 high, diffusely branched. 

 Leaves 2' -3' long. Flowers 2' wide, with recurved orange- colored petals. 

 *-* ++ Cymes lea/less, bracted. 



10. H. nudiflorum, Michx. Branches 4-angled ; leaves oblong, obtuse, 

 narrowed at the base, paler beneath ; cymes terminal, pedunclecl, 5- 15-flowered ; 

 bracts subulate ; buds globose ; petals oval, twice as long as the oval sepals ; 

 capsule ovate, longer than the calyx. Low grounds, Florida and northward. 

 July and August, Shrub 2 -3 high. Leaves thin, i'-2' long. Flowers 

 ' wide. Petals recurved. 



11. H. cistifolium, Lam. Branches 2-eclged ; leaves rigid, linear-oblong, 

 sessile ; cymes terminal, compound, many-flowered ; bracts subulate ; buds 

 ovate ; petals spreading, obovate, twice as long as the oblong, unequal sepals ; 

 capsule 3-lobed, ovate, longer than the sepals. (H. rosmarinifolium, Ell.) 

 Pine barren swamps, near the coast, Florida to South Carolina and westward. 

 July- September. Shrub 2 - 3 high. Leaves very numerous, 1 ' long. Flow- 

 ers ' wide. Valves of the capsule strongly impressed on the back. 



12. H. fastigiatum, Ell. " Branches somewhat compressed ; leaves nar- 

 row-lanceolate, very acute ; corymbs terminal, many-flowered, fastigiate ; styles 

 united. Pine barrens of Scriven County, Georgia. May -July. Shrub 3 

 high. Leaves 3' long, narrowed but connate at the base. Flowers very numer- 

 ous." Elliott. ( * ) 



-i -i Herbs : styles distinct. 



13. H. graveolens, Buckl. Stem smooth, terete, nearly simple ; leaves 

 oblong-ovate, obtuse, clasping ; cymes lateral and terminal, many-flowered ; 

 petals oblong-obovate, much longer than the lanceolate acute sepals ; stamens 

 collected in three sets, as long the petals ; styles slender, twice as long as the 

 ovary. Mountains of North Carolina. July and August. Stem 2 - 3 high. 

 Leaves 2' long. Flowers large. 



14. H. pilosum, Walt. Downy; stem terete, mostly simple, slender; 

 leaves small, lance-ovate, acute, erect, sessile ; cymes compound ; styles short. 

 (II. simplex, Mich.) Wet pine barrens, Florida to North Carolina and west- 

 ward. July and August. ? Stems l-2 high. Leaves ' long. Flowers 

 5" -6" wide. 



15. H. angulosum, Michx. Smooth; stem 4-angled, branching ; leaves 

 ovate-lanceolate, acute, sessile; cymes leafy, many-flowered, the branches often 

 simple ; sepals ovate, shorter than the petals, longer than the ovate capsule. 

 Varies (H. acutifolium, Ell.) with larger shining leaves, compound and nearly leaf- 

 less cymes, and more crowded flowers. Pine barren ponds (the var. in dry 

 soil), Florida to North Carolina and westward. June - August. Stem 2 -3 

 high. Leaves 6"- 12" long. Flowers small. Styles longer than the capsule. 



2. Stamens 5-20 : capsule strictly l-celled : styles separate : annuals. 

 * Flowers in cymes. 



16. H. mutilum, L. Stems slender, branching above, 4-angled, leaves 

 oblong or roundish, obtuse, clasping, 5-nerved ; cymes leafy at the base ; sepals 



4* 



