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262 EXPLANATION OF THE PLATES.
Fig. 10. Mandragora acaulis. SolanecB. Berry cut transversely,
globular; seeds immersed, towards the periphery,
all around.
Fig. 11. The same, with the pannexterne taken, off:
seeds many, kidneyshape ; calyx four cut.
Fig. 12. Asclepias nigra. ApocinecB. Follicle operrcrd,
one-celled, many-seeded, dehiscent; placentarium sutural,
becoming free by the dehiscence; umbilical cord pappuslike,
or seeds comose.
Fig. 13. Veratrum album. Colchicacece. Etterion threecamared,
camares oblong, slightly compressed, connected
at bottom, separate at top, and ending in a short style;
perigonium six-lobed.
Fig. 14. Camares of the same dehiscent, and emptied of
their seeds.
Fig. 15. Transverse section of the etaerion, towards the
bottom.
Fig. 16. Rhododendron maximum. Rhodode7idra. Cap- 1
sule cut transversely, five-celled ; placentarium central, ra- -*
diating, lobed.
Fig. 17' Caltha palustris. Rammculacece. Etasrion eightcamared,
camares compressed, spreading horizontally at
top.
Fig. IS. A camare of the same opened; placentarium on
the edges of the suture.
Fig. 19. The capsule of the rhododendron maximum,
in dehiscence; cells five, septicidal ; style persistent on the
central placentarium.
Fig. 20. Seed of the same cut lengthways, and magnified;
outer coat produced in a kind of beak; kernel ovate
oblong, shorter than the seed; embryo straight; cotyledons
very short.
Fig. 21. Butomus floridus. Buiomacece. Dieresile magnified,
six-coqued, ovate-beaked, connected together about
half their height, membranaceous, opening inwards.
Fig. 22. One of the coques cut transversely; seeds parietal,
very numerous, small, spread all over the internal
surface of the coque.
Fig. 23. Napaea dioica. Malvacece. Calyx magnified,
five-cut; central axis of the dieresile winged, pyramidal,
furrowed.
Fig. 24f. One of the ten coques of the same cut longitudinally,
semicircular, tip ending in a bent-back point;
umbilical cord very small ; seed kidneyshape, single.