16 POLYANDRIA. 1)I-PENTAGTKIA> 



form, terete; larger leaves of the calix roundish. Tife 

 peduncles of all the following species are brlbracteute 

 above the middle. 3. Cmx Andr€<£. /3 migustifolia. 

 Leaves oblong-linear, crowded; flowers lateral and itt-mi- 

 nal, erect, bibracteate near the base; styles 1 or 2, coruir 

 vent; larger calix leaves acute, elliptic-ovate- IJab. In 

 Carolina. Probably a distinct species. 4. hypencoides. 

 5. amplejncavle. 

 An American genus. 



376. HYPERICUM. L. (St. John's-wort.) 



Calix 5 -parted, segments equal. Tetals 5. 

 Stamina numerous, scarcely united at the base. 

 Capside roiihdish; cells equal with the number 

 of styles; 1, 2, S, and 5. 



Herbaceous or shrubby; stems cylindric, ancipltal, Or 

 quadrangular; leaves opposite, entire, often furnished with 

 pellucid resinous punctures; flowers cymose, mostly co- 

 rymbose, peduncles irichotomous, S-fiovrered, terminal 

 and axillary; flowers yellovv'. 



Species. 1. H. Kulmianum. 2. pyramidatum. 3. flfi- 

 cyroides. 4. frondosxim. 5. aynamim. Ph. Nearly allied 

 to II. glaucum. 6. prolifiaim. 7. iiudiflorvm. 8. glmicum^ 

 9. demifiomm. 10. galioides. 11. aspalathoides. 12. /a s- 

 ciculatum. 13. tenvtifalinm. Ph. Is this more than a vari- 

 ety oi H. gaUoiJes? 1 4:. perforatum. Too abundantly na- 

 turalized m dry pastures, and considered very injurious 

 to horses. 15. cot ymbosvm. 16. pnrviJJovinn. \7 ■ tripH- 

 nerve. 18. dolubriforme. 19. angulosum. 2U. spJiarocar- 

 pum] Obs. Herbaceous, upper part of the stem ancipi- 

 tal; leaves oblong, or cuneaie-oblon;^, obtuse, pellucidly 

 punctate, nerves nunterous, (seen between the light;) 

 cyme naked, pedicellate, twice or thrice compousded; 

 calix at length foliaceous, at first shorter than the petals^ 

 entire; styles 3, united or distinct; stamina shorter than 

 the petals, not very numerous; capsule subgloi^ose. Uae. 

 In New Jerse}-, near Pliiladtlphia sparingly. Z. Collins, Esq. 

 and Dr. W. Barton. It may be distinct from Michaux's 

 plant, yet makes a near ai)proach to it. 21. canademe. 

 22. simplex. " Hypericum tomentosum carolinianuiKy erec- 

 tum, foliolis bina'tis ad caulem strictissime appressis, et 

 decussatim positis."— Phik. Amahh. p. 120. tab. 421. fig. 

 3. mala. 23. pilosinn. Pilose; Stem virgate, simple, 

 leaves spreading, ovate, acute, somewhat attenuated at 

 the base, very few flowered. Igon. Fluiv. Aim. t. 245. f. 



