430 



HYPERICACEAE. 



[VOL. II. 



2. Hypericum Kalmianum L/. 

 Kalm's St. John's-wort. (Fig. 2445.) 

 Hypericum Kalmianum L. Sp. PI. 783. 1753. 



Shrubby, freely branching, i-2 high, 

 leafy; branches 4-angled, twigs flattened and 

 2-edged. Leaves oblong-linear or oblanceo- 

 late, sessile, or narrowed into a short petiole, 

 obtuse, i '-2)4' long, 2 // -4 // wide, more or 

 less glaucous beneath, generally with smaller 

 ones clustered in the axils; cymes terminal, 

 few-flowered; pedicels stout, 2 // -io // long; 

 flowers 6 // -i2 // broad; sepals foliaceous, 

 oblong, acute, 3 // -4 // long, usually about half 

 the length of the petals; stamens very nu- 

 merous, distinct; styles 5 (4-6), united below 

 into a beak; capsule ovoid, 3" long, com- 

 pletely 5- (4-6-) celled. 



Niagara Palls to Sault Ste. Marie along Lakes 

 Brie and Huron; also at Muskoka, Out., and in 

 "the oak-barrens of Tullahoma, Tenn." (Gat- 

 tinger. ) Aug. 



3. Hypericum prolificum L,. Shrubby St. John's-wort. 



Hypericum prolificum L. Mant. i: 106. 1767. 



Shrubby, diffusely branched from near 

 or at the base, i-3 high; stems some- 

 times i ' in diameter; branches ascending 

 or erect, leafy; branchlets 2-edged. Leaves 

 linear-oblong or oblanceolatc, narrowed 

 at the base, or tapering into a short peti- 

 ole, obtuse, often mucronulate, pale be- 

 neath, i '-3' long, 3 // ~9 // wide, with tufts 

 of smaller ones in the axils; cymes sev- 

 eral-many-flowered, terminal and some- 

 times also axillary; pedicels 6" long or 

 less; flowers 5"-8" broad; sepals slightly 

 unequal, shorter than the petals; stamens 

 numerous, distinct; styles 3; capsules 3- 

 celled, 4"-6" long. 



Sandy or rocky soil, New Jersey to Georgia. 

 Ascends to 3400 ft. in Virginia. July-Sept. 



(Fig. 2446.) 



4. Hypericum densifldrum Pursh. 



Bushy or Dense- flowered St. 



John's-wort. (Fig. 2447.) 



Hypericum densiflorum Pursh, Fl. Am. 



Sept. 376. 1814. 

 Hypericum prolificum var. densiflorum A. 



Gray, Man. Ed. 3, 84. 1867. 



Erect, 4-6 high, shrubby, freely 

 branching, densely leafy; branches some- 

 what angled and branchlets 2-edged. 

 Leaves crowded, i / -2 / long, i^ // -3 // wide, 

 acutish or obtuse, with smaller ones clus- 

 tered in the axils; cymes densely many- 

 flowered, mainly terminal; pedicels i // -4 // 



. _- , ^ v long; flowers 4' / -6 // broad; sepals narrow, 



not foliaceous, shorter than the petals; 

 stamens numerous, distinct; styles 3; capsule completely 3-celled, 2 // -3 // long. 



Pine-barrens of New Jersey to Florida, west to Tennessee, Arkansas and Texas. July-Sept. 



