Class XVIII. POLYADELPHIA. 



Filaments combined, in more than two 



sets. 



Order I. TOLYAlSlBRIA, Stamens nume- 

 rous. 



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

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

 eels. Caps, with many seeds. 



POLYADELPHIA POLYANDRIA. 

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



Linn. Gen. 392. Juss. 2bo. Fl. Br. 800. DeCand. Prodr.v.].54S. 



Tourn. t. 131. Lam. t. 643. Gcertn. t. 62. 

 Androsaemum. Tourn. t. 128. Gcsrtn, t, 59. DeCand. Pro3r. 



?;. 1.543. Capsule pulpy. 

 Ascyrum. Tourn. ^ 1 3 1 ; not of Linn^us. 



Nat. Ord. Rotaceae. Linn. 20. Ht/perica. Juss. 68. Hype" 

 7-icinece. DeCand. .34. 



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, with as many cells as there are styles. Seeds 



