260 EXPLANATION OF THE PLATES. 
Fig. 18. Cotyledons of the same uncovered; radicle in 
the furrow of their fold, centrifugal. 
Fig. 14. Thlaspi cuneatum. Cruciferae. Silicule ovate, 
rounded, compressed, two-celled, two-valved; valves boat- 
shape; partitions opposite or contrary to the valves. 
Fig.15. Draba verna. Cruciferae. Silicule oval; two-- 
celled; valves flat; cells many-seeded; partition parallel to 
the valves. 
Fig. 16. Vella annua. Crucifere. 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. 18. Anagallis phoenicea. Primulacee. 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. Pyxidium of the same magnified, and opened 
on one side; placentarium globular, spongy, honeycombed, 
free. 
Fig. 21. Dianthera Malabarica. Acanthiacee. Capsule 
oblong, two-valved, pointed at the tip, two-celled, two- 
valved; partition opposite, or contrary to the valves, with 
retinacies close to the seeds. 
Fig. 22. Serapias Helleborime. Orchidee. Diplotegia 
cut transversely, elliptical, sphzerical, one-celled, three- 
valved, six-ribbed; placentaria three, on the middle of the 
valves. 
fg.23. The three alternate, sutural ribs of the same, 
remaining after the falling off of the valves. 
(Fig. 24. Iris fibirica. Lridee. Diplotegia when de- 
hiscent; three-celled, three-valved, loculicidal; valves one- 
ribbed, rib prominent; placentarium on the internal edge 
of the valves, which re-enter conjointly; seeds numerous, 
horizontal, depressed, flat on both sides, one side straight, 
the other semicircular. 
Fig. 25. Campanula rigida. Campanulacee. Capsule 
crowned with the withered corolla; calyx five-cut, segments 
turned back, opening by pores at the base. 
Fig. 26. Lysimachia quadrifolia. Primulacee.. Capsule 
cut transversely and magnified, one-celled, five-valved; pla- 
centarium globular, spongy, pitted, free, central. 
ig. 27. Capsule of the same when dehiscent, mag- 
nified. 
