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EXPLANATION OF THE PLATES. 259
PLATE THE SIXTEENTH.
Fruits.
Fig' I- Cassia Fistula. Leguminosce. Tip of the legume,
partly opened; legume phragmated, many-celled; cells
one-seeded ; placentarium unilateral ; umbilical cord threadlike;
seeds ovoid, compressed.
Fig. 2. Genista candicans. Leguminoscs. Cod, or legume,
opened ; legume deeply scrobiculate, nearly celled ;
umbilical cords short, from the convex suture, seeds affixed
alternately to each valve.
Fig. 3. Seed of the same magnified; hile or umbilicus
prominent.
Fig. 4. The same, with the hile facing the spectator, hile
crescentlike, surrounded by a glandular prominent edge.
Fig. 5. The kernel of the same magnified; seed perispermed;
embryo bent, cotyledons ovate; radicle bent,
centrifugal.
Fig. 6. Scorpiurus sulcata. LegummoscE. Legume
jointed^ nodose, furrowed, spiral.
Fig. 7. Astragalus uliginosus. Leguminosce. Legume
cut transversely, two-celled ;
marginal.
partition longitudinal, valvean,
Fig. 8. Cardamine Graeca. Cruciferce. Siliqua, or pod,
when dehiscent. Valves flat, ribless, flown back and roiled
up spirally ; partition very narrow, thin ; seeds four in each
cell ; umbilical cord fixed alternately to each edge of the
partition.
Fig. 9. Sinapis alba. Cruciferce. Siliqua hispid, two-
celled, two-valved; valves marked with three hispid ribs
lengthways; upper joint valveless, sometimes containing
one imperfect seed, or partition produced far beyond the
valves into a swordshape beak.
Fig. 10. Embryo of the same, magnified : cotyledons
rounded, nearly leaflike, the outer involving the interior
radicle lying in the furrow of the folding, centrifugal.
Fig. 11. Raphanistrum vulgare, Cruciferce. Part of
the siliqua; valveless, many-celled, jointed, becoming necklaceshape;
cells boney, separate, in a longitudinal series,
perforated at each end for the passage of the two umbilical
cords, which enter all of them, each cord bearing a seed
in the alternate cells; seeds one in a cell.
Fig. 12. Boney cell of the same cut transversely.
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