49 STAMEN, 
the former in having the lips closely pressed together. 
53. In some flowers as in the Tulip, Hyacinth, 
Onion, Lily, &c. it is difficult to distinguish between a 
calyx and corolla, or rather there appears to be nothing 
but a corolla: if the flower of a Lily (pl. 14. f. 9.), is 
examined, it will be seen that out of the six petal like 
parts, three (¢.) are placed outside three inner ones, 
and that the backs of the outermost are slightly tinted 
with green when the flower is opening; and these only 
can be seen in the bud, while the others are contained 
within them; these outer parts may be considered as 
the calyx, but on account of the difficulty of stating 
exactly what part is calyx, and what corolla in some 
flowers, the term Perianth is applied to such, to signify 
that the calyx and corolla cannot be distinguished from 
each other. 
54. The corolla, as a whole, is in some flowers fixed 
to that part of the stalk which is immediately above 
the calyx, as seen in the Buttercup (pl. 15. f. 2.), while 
the petals of the Rose (f. 1.), Bramble, Pear, Apple, 
and Hawthorn, will be found to be placed on the calyx, 
which cannot be removed without taking the petals 
along with it. In the Campanula, Fuschia (pl. 18. 9.), 
and Carrot, the corolla appears to arise from the upper 
part of the pistil. This subject will be more fully 
treated of under the position of stamens in the flower. 
OF THE STAMENS. 
55. The Stamens form the third set of organs of a 
complete flower; for the flower, considered botanically, 
may have neither calyx or corolla, and may consist of 
