H YPERICA CEA E. 627 



lanceolate, 2-5 cm. long, obtuse, ascending, often with smaller ones fascicled in 

 the axils; cyme terminal, several-flowered; pedicels about 2 mm. long; flowers 

 12-18 mm. broad; sepals lanceolate, acute; stamens numerous, distinct; capsule 

 about 4 mm. long. In low grounds, Mass, to Ga., La., Mo. and Ark. July- Aug. 



7. Hypericum sphaerocarpum Michx. ROUND-PODDED ST. JOHN'S-WORT. 

 (I. F. f. 2450.) Stems 4-angled, 3-8 dm. high. Leaves oblong or linear-oblong, 

 obtuse, 3-8 cm. long, often with smaller ones in the axils; cymes terminal; flowers 

 sessile or nearly so, io-i6mm. broad; stamens numerous, distinct; capsule i-celled, 

 4-5 mm. long; seeds larger than in related species, rough-pitted. On rocky banks, 

 Ohio to Iowa, Ala., Kans. and Ark. July-Sept. 



8. Hypericum dolabriforme Vent. STRAGGLING ST. JOHN'S-WORT. (I. F. f. 

 2451.) Straggling, 1.5-5 dm. high; branchlets slightly angled. Leaves linear or 

 linear-lanceolate, 1.5-4 cm. long, with smaller ones clustered in the axils; cymes 

 terminal, leafy; pedicels about I mm. long; flowers 2-2.5 cm - broad; sepals foliaceous, 

 lanceolate or ovate, acute or acuminate, nearly or quite as long as the oblique 

 pointed petals; stamens distinct; styles united below; capsule 6-8 mm. long. On 

 dry hills, barrens of Ky. and Tenn. July-Aug. 



9. Hypericum ellipticum Hook. ELLIPTIC-LEAVED OR PALE ST. JOHN'S- 

 WORT. (I. F. f. 2452.) Herbaceous, perennial; stem somewhat 4-angled, 2-5 dm. 

 high. Leaves thin, spreading, elliptic or oval, obtuse, sessile, narrowed at the base 

 or partly clasping, 1.5-3 cm. long; cymes terminal, few-flowered, bracted ; flowers 

 pale yellow, nearly sessile, 1-1.5 cm. broad; sepals oblong or oblanceolate, slightly 

 shorter than the petals; styles united below; capsule ovoid- globose, about 4 mm. 

 long; sepals and petals sometimes 4. In swamps and along streams, N. S. to 

 Manitoba, Conn., N. J. , Penn. and Minn. July-Aug. 



10. Hypericum virgatum Lam. VIRGATE OR COPPER-COLORED ST. JOHN'S- 

 WORT. (I. F. f. 2453.) Herbaceous, 3-7 dm. high, the stem and branches 

 4-angled. Lower leaves ascending or erect, oblong lanceolate, acute or obtusish. 

 1.5-3 cm - l n g> sessile; cyme terminal, compound, bracted; pedicels 1-4 mm. long; 

 flowers numerous, copper-yellow, 8-12 mm. broad; sepals foliaceous, ovate or 

 lanceolate, keeled; styles distinct; stigmas capitate; capsule ovoid, 4 mm. long, 

 enclosed by the sepals. In low grounds, Del. to 111. and Fla. July- Sept. 



Hypericum virgatum ovalifolium Britton. Leaves oval or broadly elliptic, erect, 

 appressed, very obtuse. Pine-barrens of N. J. 



11. Hypericum perforatum L. COMMON ST. JOHN'S-WORT. (I. F. f. 2454.) 



Perennial, herbaceous, 3-7 dm. high. Stems erect, with numerous barren shoots 

 at base; leaves sessile, oblong or linear, 1-2 cm. long, obtuse, more or less black- 

 dotted; cymes terminal; flowers bright yellow, 1.5-2.5 cm. broad; sepals acute, 

 shorter than the copiously black-dotted petals; stamens united at their bases into 3 

 sets; styles 3; capsule ovoid, 4-6 mm. long, glandular. In fields and waste 

 places, common throughout our area except the extreme north, and in the Southern 

 States. Nat. from Europe. June-Sept. 



12. Hypericum maculatum Walt. SPOTTED ST. JOHN'S-WORT. (I. F. f. 

 2455.) Herbaceous, perennial, 3-9 dm. high. Leaves sessile, partly clasping, ob- 

 long or ovate-lanceolate, obtuse, 2-8 cm. long, copiously black-dotted; cymes ter- 

 minal, many-flowered; pedicels about 2 mm. long; flowers crowded. 8-14 mm. 

 broad; sepals ovate, acute, shorter than the conspicuously black-dotted petals; 

 stamens in 3 or 5 sets; styles 3; capsule ovoid, 4-6 mm. long. In moist soil, Me. 

 and Ont. to Minn., Fla., Kans. and Tex. July-Sept. 



Hypericum maculktum subpetiol^tum Bicknell. Leaves short-petioled, mostly 

 narrowed at the base. Me. to Ga. and Ky. 



13. Hypericum pseudomaculatum Bush. LARGE SPOTTED ST. JOHN'S- 

 WORT. Similar to the preceding, but the flowers much larger, the petals 15-20 

 mm. long. Mo. 



14. Hypericum graveolens Buckley. MOUNTAIN ST. JOHN'S-WORT. (I. F. f. 

 2456.) Herbaceous, perennial. Stem 3-9 dm. high; leaves oval, ovate or elliptic- 

 oblong, sessile or clasping, obtuse, 2-8 cm. long, sparingly black-dotted; cymes 

 terminal; pedicels 2-8 mm. long; flowers 2.5 cm. in breadth or more ; sepals lanceo- 

 late, acute, much shorter than the sparingly dotted or dotless petals; stamens united 



