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260 EXPLANATION OF THE PLATES.
Fig. 13. Cotyledons of the same inicovered; radicle in
the furrow of their fold, centrifugal.
Fig. 14. Thlaspi cuneatiim. Cniciferce. Silicule ovate,
rounded, compressed, two-celled, two-valved ; valves boat-
shape ;
partitions opposite or contrary to the valves.
Fig. 15. Draba verna. Cruciferce. Silicule oval; two-
celled; valves flat; cells many-seeded; partition parallel to
the valves.
Fig. 16. Vella annua. Cruciferce. Silicule nearly glo-
bular, with soft bristles, two-celled, two-valved ; partition
parallel to the valves, transparent, bearing three or four
seeds in each cell ; style persistent, leaflike.
Fig. 17. Transverse section of the same.
Fig. J 8. Anagallis phoenicea. Primulacece. Seed much
magnified, ovate, slightly acuminate on each side, roughly
dotted ; hile in the middle of the belly.
Fig. 19. Pyxidium of the same when dehiscent.
Fig. 20. P3'xidiura of the same magnified, and opened
on one side; placentarium globular, spongy, honeycombed,
free.
Fig. 21. Dianthera Malabarica. Acanihiacece . Capsule
oblong, two-valved, pointed at the tip, two-celled, twovalved
; partition opposite, or contrary to the valves, with
retinacles close to the seeds.
Fig. 22. Serapias Helleborine. Orchidea-. Diplotegia
cut transversely, elliptical, sphserical, one-celled, threevalved,
six-ribbed; placentaria three, on the middle of the
valves.
Fig. 23. The three alternate, sutural ribs of the same,
remaining after the falling off of the valves.
Fig. 24. Iris Sibirica. Iridcce. Diplotegia when dehiscent;
three-ceiled, three-valved, loculicidal; valves oneribbed,
rib prominent; placentarium on the internal edge
of the valves, whicii re-enter conjointly; seeds numerous,
horizontal, depressed, flat on both sides, one side straight,
the other semicircular.
Fig. 25. Campanula rigida. CampmmlacecE. Capsule
crowned with the withered corolla; calyx five-cut, segments
turned back, opening by pores at the base.
Fig. 26. Lysimachia quadrifolia. PrimulacecB. Capsule
cut transversely and magnified, one-celled, five-valved; placentarium
globular, spongy, pitted, free, central.
Fig. 2?. Capsule of the same when dehiscent, mag-
nified.