452 THE VEGETABLE WORLD. 
reversed in the case of the fruit of the Guigne, a species very like 
it, and which supplies us with various fruits, known under the 
name of Red Guigne, Pentecost Cherry, &c. . 
In the Pomacrea#, which like Drupacee are usually treated as a 
phyla —Pome and Section of Pyrus m 
¢, calyx ; stamens ; Bape 5 Rag + pe, epi yee ee 
, endocarp ; s, seed. moda 
and the Mountain Ash (Pyrs aucuparia) ; prussic acid oceurs in : 
_ the seeds of most of the species, and abundantly in eis 
Cotoneaster, 
sub-order of the natu- 
ral family Rosacee, we 
have the Apples, Pears, 
Quinces, Medlars, and 
having the indefinite 
stamens inserted in a 
ring, in the throat of 
the calyx (Fig. 418) ; 
the flowers solitary, 
white or pink; the 
ovary adherent to the 
side of the calyx ¢ 
(Fig. 419), the sides 
of the calyx tube ¢¢ © 
fleshy ; the endocarp ¢ 
cartilaginous ; _ the 
seeds s solitary. The ; 
Pomacee are found — 
unknown in gas? 
in cee quan- ue : 
tities in the Apple 
PSE Sas Shy OSS Re Tre ae 
ot 
