152 POLYADELPHIA POLYANDRIA. [CI. 18. 



r- 



6. M. minima, Suppl.2635. (Little Bur M.) Stalks many-flowered. 

 Stipulas half-ovate, nearly entire. Leaflets hairy. Legumes or 

 bicular, with a double row of hooked spines. 

 Sandy or chalky fields, rare. 0. 6, 7. Small, prostrate, densely 

 downy. Fl. yellow. 



*7. M. denticulata, Suppl. 2634. (Reticulated M.) Nearly glabrous. 

 Leaflets inversely heart-shaped. Stipulas laeiniated. Peduncles 

 2 — 5-flowered. Legumes broad, loosely spiral, and flat, reti- 

 culated, with 1 — 3 convolutions ; the margin thin, keeled, with 

 a double compact row of subulate curved prickles. 

 Sandy banks, S. of Engl, and Norfolk. 0. 4—6. Legumes very 

 beautiful, and quite different from any of the preceding. 



Class XVIII. POLYADELPHIA. Fila- 

 ments combined, in more than two sets. 



Order I. POLYANDRIA. Stamens numerous. 



369. HYPERICUM. Cal. inferior, in 5 deep divisions. Pet. 5. 

 Filaments united at the base, into 3 or 5 parcels. Caps, with 

 many seeds.- — N.O. Hypericine^e. 



POLYADELPHIA POLYANDRIA. 



369. HYPERICUM. St. John's-wort. 

 [Herbs, or shrubs, perenn. L. simple, opposite. Slip. 0. Pet. yell.] 



1. H. calycinum, 29. 2017- (Large-flowered St. J.) Flowers solitary. 



Styles five. Stem shrubby, branched, quadrangular. Segments 

 of the calyx obovate, obtuse, permanently spreading. Leaves 

 oblong. 

 Bushy pi. in the W. ; native ? T? . 7—9. \f Fl. very large, gold. yell. 



2. H. Androscemum, 18. 1225. (Tutsan, or Paik leaves.) Styles three. 



Capsule pulpy. Stem shrubby, compressed. 



Woods, rare. %. 7, 8. Fl. large, yellow. Fruit purplish-blach. 

 8. H. quadrangidum, 6. 370. (Square St. J. St. Peter's wort.) Styles 

 three. Stem herbaceous, with four sharp angles. Leaves with 

 copious pellucid dots. Segments of the calyx lanceolate. 



Moist mead, and thickets. If. 7, 8. Fl. small, lemon-col. 



4. H. perforatum, 5. 295. (Perforated St. J.) Styles three. Stem two- 



edged. Leaves obtuse, with copious pellucid dots. Segments of 

 the calyx lanceolate. 

 Thickets. 2£. 7,8. Fl. bright yell., dotted and streaked with black. 



5. H. dubium, 5. 296. (Imperforate S.) Styles three. Stem obscurely 



