258 
EXPLANATION OF THE PLATES. 
Fig . 14. Seeds of the same ; the covers cut off in part, to 
show the kernel. 
Fig. 1 5. Embryo of the same : cotyledons elliptic, fleshy. 
Fig. 16. Mespilus Germanica. Pomacece. Woody celled 
pome, or pyrenarius, cut transversely, one of the cells 
opened : ovules two. 
Fig. 17. Punica Granatum. Myrti. Balausta with part 
of the rind taken off, crowned by the tube of the calyx ; 
partitions indeterminate, some longitudinal, some cross- 
ways : seeds numerous, drupelike. 
Fig. 18. Seeds of the same, of the natural size; drupe- 
like, outer skin pulpy. 
Fig. 19. Embryo of the same, cut transversely, and much 
magnified; cotyledons convolute, leaflike, very thin. 
Fig. 20. Seed of the same, cut lengthways, and the em- 
bryo uncovered ; embryo oblong, pointed at each end. 
Fig. 21. Cucumus sativus. Cucurlitacece . Pepo cut 
transversely; cells three, parted ; placentarium parietal. 
Fig. 22. Cucurbita esculenta. Cucurlitacece . Seed cut 
longitudinally. 
a. Outer skin leatherlike. 
1. Inner skin green. 
c. Cotyledon, veiny and wrinkled, on the internal face. 
d. Embryo. 
Fig. 23. Citrus Medica. Aurantiacecc. Hesperidium 
ovate, cut transversely ; outer bark glandular ; inner bark 
spongy; cells nine, each lined with a fine skin, filled |with 
a pulpy flesh. 
