16 POLYANDRIA. DI-PENTAGYNIA. 



form, terete; larprer leaies of the calix roundish, 'ilie 

 peduncles of all the foUowing species are bribracteate 

 above the middle. 3. Cmx .indrecs. /3 angiisiiJlUa. 

 Leaves oblon,^-linear, crowded; flowers lateral and termi- 

 nal, erect, bibracteate near the basej styles 1 or 2, cnnni- 

 vent; larg-er calix leaves acute, elliptic -ovate. Had. i\\ 

 Carolina. I'robably a dietinct species. 4. hvpcricoides. 

 5. awplexicart'e. 

 An American genus. 



576. HYPERICUM. L, (St. John's-wort.) 



Calix 5-parted, segments equal. Petals 5. 

 Stamina numH'ous, scarcely united at the base. 

 Capsule roiiuiWsh; cells equal with the luiniber 

 of styles; 1, 2, 3, and 5. 



Herbaceous or shrubby; stems cylindric, anclpltal, or 

 quadranpfiilar; leaves opposite, entire, often furnished with 

 pellucid resinous punctures; flowers cymose, mostly co- 

 rymbose, peduncles trichotomous, 3-flowered, terminal 

 and axiliar); flowers yellow. 



Species. 1. H. Kahaiamim. 2. pyramidaUim. S. fl«- 

 cyroides. 4. frondosiim. 5. amanum. Ph. K early allied 

 to // glaucum. 6. prolificum. 7. midijiorim. 8. glaucvm. 

 9. dcnifonim. 10. galjoidsa. \\. aslndathoides. 12. fas- 

 ciculidinn. 13. tcnmfoh'um. Vn. Is this more than a vari- 

 ety of H.g-aUoide-^? 14 perforatum. Too abundantly na- 

 turalized in dry pastures, and considered very injurious 

 to horses. 15. corum/>osiim. 16. pai-viforuvu Ij. tripU- 

 nerve. 18. d^hdni forme. 19. angnlomm. 20. sphxromr- 

 pujn] Of.s. Herbaceous, ujjper part of the stem ancipi- 

 lal; leaves oblong, or cuneate-oblonc;', obtuse, pellucidly 

 punctate, nerves^'numerous, (seen between the light;) 

 cyme niked, pedicellate, twice or thrice compounded; 

 calix at length faHaceous, at firet shorter than the petals, 

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

 the petals, not very nfimerous; capsule subglobose. Hae. 

 In New Jersey, near Pliiladelphia spar'.ngly. Z; Collins, Esq. 

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

 plant, vet makes a near approach to it. 21. cauadtnse. 

 22. simplex. *' H vpericurn tomentosum caroUniarv.im^ erec- 

 lum, foliolis binaVis ad caulem strictissime appre.ssis, at 

 decussatim positis."— Fluk. Amalth. p. 120. tab. 421. f.g. 

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

 leaves soreading, ovate, acute, somewhat attenuated at 

 the base! verv few flowered. Icon. Pluk. Aim, t. 245. f. 



