DISPLACEMENT. 97 
tation in different flowers on the same plant is no 
unusual thing in malformed flowers ; thus, in double 
flowers of Saponaria officinalis I have met with sutural, 
parietal, and free central placentation in the same plant.' 
Professor Babington describes in the ‘ Gardeners’ 
Chronicle,’ 1844, p. 557, a curious flower of Cerastium, 
in which, in addition to other changes, the five carpel- 
lary leaves ‘‘ were partially turned in without touching 
the placenta, which bears a cluster of ovules, and is 
perfectly clear of all connection with those partitions” 
(fig. 51). See also Lindley, ‘ Veg. Kingdom,’ p. 497. 

Fie. 51.—1. Monstrous flower of a Cerastium; sepals and petals 
leafy. 2. Stamens and pistils separate. 3. Ovary cut open to show the 
imperfect dissepiments and the attachment of the ovules. 4. A deformed 
ovule. 
M. Baillon® records flowers of Bunias, some with 
ovules on the margins of the carpels, others with a 
central branch bearing the ovules; hence he concludes 
! «Journ. Linn. Soc.,’ i, 1857, p. 161. ¢. aylog. 
* * Adansonia,’ ii, 306. 
~ 
