Class XVIII. POLYADELPHIA. 



Filaments combined, in more than two 



sets. 



Order I. POLYAJ^DRIA. Stamejis nume- 

 rous, 



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

 Pet. 5. Fllam. united at the base, into 3 or 5 par- 

 cels. Caps, with many seeds. 



POLYADELPHIA POLYANDRIA. 

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



Lin7i. Gen. 392. Juss.2dj. FL Br. 800. DeCand. Procbw. \ . 543^. 



Tourn. t.\3\. Lam. t. G43. Gcertyi. t. 62. 

 Androssemum. Toiirn. t. 128, Geertn. t. 59. DeCand. Prodr. 



V. 1.543. Capsule pulpy. 

 Ascyrum. Tourn. t.\3\ ; not of Linnaeus. 



Nat. Ord. Rotacece. Linn. 20. Hyperica. Jiiss. 68. Hype- 

 ricinece. DeCand. 84. 



Cal. inferior, of 1 leaf, in 5 deep, nearly ovate, concave, 

 somewhat unequal,' permanent segments. Pet. 5, oblong- 

 ovate, obtuse, spreading, obliquely imbricated. Filam. 

 numerous, capillary, united at the base, more or less ac- 

 curately, into 3 or 5 sets. Anth. small, roundish, tremu- 

 lous. Germ, superior, roundish or ovate. Styles termi- 

 nal, simple, usually 3 or 5, distant, the length of the sta- 

 mens, sometimes only 1 or 2. Stigmas simple. Caps. 

 roundish, witli as many cells as there are styles. Seeds 



