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EXPLANATION OF THE PLATES. 257
Fig. 17. Symphytum officinale. Borag'mea. Microbasis.
Calyx five-parted, one lobe cut away ; eremes, or
nuts, four ; style persisting.
Fig. 18. Cynoglossum Isevigatum. Boraginece. Internal
surface of one of the cariopsides, nut lodged in the hollow
part of the shield-like cariopsis, or ereme.
Fig. 19. The whole microbasis of the same.
Fig. 20. The same, with the several cariopsides cut
transversely, nuts immersed in the shield-like eremes.
PLATE THE FIFTEENTH.
Fruits.
Fig* 1 . Prunus domestica. Dryadece. Drupe cut lengthways
: umbilical cord passing within the suture to the tip
of the stone ; seed pendent.
Fig. 2. Amygdalus nana. Dryadece. Stone of the drupe
split open; umbilical cord passing within the suture to the
tip of the stone ; seed pendent, ovate rounded, acuminated
at top, deeply lenticular, pale with painted veins.
Fig. 3. Vitis vinifera. Vi7iiferce. Acinos cut longitudinally
sphserical, free, seeds boney.
Fig. 4. The same, cut transversely. Acinos five-seeded.
Fig. 5. Sparganium ramosum. Typhacece, Drupe juiceless,
bark taken off in part to show the stone, with a small
hole at the tip.
Fig. 6. The same: stone cut transversely.
Fig. 7. Vitis vinifera. Viniferce. Embryo taken out of
the seed.
Fig. 8. The seed cut longitudinally, coated, perispermed
embryo at the base, straight; radicle opposite.
Fig. 9. The seed cut transversely.
Fig. 10. Aquifolium spinosum. CaprifoUacece. Nuculane
with part of the flesh taken away; pyrense four.
Fig. 11. Pyrene of the same, with the seed cut trans-
versely.
Fig. 12. Pyrus domestica. Pomacece. Pome cut trans-
versely; cells five, two abortive.
Fig. 13. The same cut longitudinally; cells cartilaginous
; ovules in each cell always 2, the fertile cells usually
one-seeded ; seeds rather large.
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