Note 330 — Chapter II · METAMORPHY OF THE FLORAL ORGANS.
Reading edition
'Verhandl. Nat. Hist. Ver. Preuss. Rheinl. und Westph.,' 1858, 1860, p. 381. Cramer also, 'Bildungsabweich,' p. 90, cites a case in Pæonia where the carpel was open and petaloid, and bore an anther on one margin, and four ovules on the other.