EXPLANATION OF THE PLATES. 957 
Fig. 17. Symphytum officinale. Boraginee. Micro- 
basis. Calyx five-parted, one lobe cut away; eremes, or 
nuts, four; style persisting. ie 
Fig. 18. Cynoglossum levigatum. Boraginee. 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. Dryadec. Drupe cut length- 
ways: umbilical cord passing within the suture to the tip 
of the stone; seed pendent. 
Fig. 2. Amygdalus nana. Dryadee. Stone of the drupe | 
split open; umbilical cord passing within the suture to the 
tip of the stone; seed pendent, ovate rounded, acumi- 
nated at top, deeply lenticular, pale with painted veins. 
Fig. 3. Vitis vinifera. Vinifer@. Acinos cut longitudi- 
nally spheerical, free, seeds boney. 
Fig. 4. The same, cut transversely. Acinos five-seeded. 
Fig. 5. Sparganium ramosum, Typhacee. Drupe juice- 
less, 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. Vinifere. 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. Caprifoliacee. Nuculane 
with part of the flesh taken away; pyrene four. 
Fig. 11. Pyrene of the same, with the seed cut trans- . 
versely. 
Fig. 12. Pyrus domestica. Pomacee. Pome cut trans- 
versely; cells five, two abortive. 
Fig. 13. The same cut longitudinally; cells cartilagi- 
nous; ovules in each cell always 2, the fertile cells usually 
one-seeded ; seeds rather large. 
VOL. I. S 
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