IN FLOWERING PLANTS. 213 
which it adheres rather firmly. It is sometimes branched, 
and terminates in a cul de sac which is occupied by a num- 
ber of granules. It is not a continuation of the cap: al- 
though the latter separates with it: yet the boyau, for such 
I believe it to be, may be traced upwards beyond the extent 
of the cap and both the terminations had passed into the 
ovulum. See fig. 2. b. 
‘Pl. 56. A. Ovules at a very early stage. 
l. Long section of ovarium and ovule, + inch focal dist. 
2. The same detached, 5 focal dist. 
3. Section of ovule, nucleus not yet visible, ip focal dist. 
B a. Fruit. 
— b. Seed with testa. 
c. Ditto shewing the raphe. 
d. Testa removed.  . 
e. Separated along the cotyledons. 
f- Long section of seed and fruit. 
g. Plumula. 
C. Ovula son before the expansion of the flower. 
1. Section of primine: secundine entire. 
2. Ditto of primine and secundine, nucleus entire. 
3. Nucleus, primine and secundine cut away. 
D. Sections of ovula, perhaps two-thirds developed, after 
impregnation. 
. Longitudinal. 
Pericarp. 
Caruncula. 
Foramen ; f. hilum. 
cS. 8 = 
Plumula. 
Transverse. 
Dass 
. 
nios. 
Part of Plumula. 
Vessels of cotyledons. 
Cotyledons. 
Ao es 
