Download PDF

264 EXPLANATION OF THE PLATES.
PLATE THE EIGHTEENTH.
Fruils.
Fig. I. Rubus Idseiis. Dryudece. Fruit cut lengthways;
polychlorion succulent, composed of several drupeolated
akenia soldered together, one-seeded; seed coated, without
a perisperm, hanging.
Fig. 2. Kosa canina. Rosacece. Hip cut longitudinally;
calyx become fleshy, ovate; utricles in pits on the internal
surface of the hip, the central utricles pedicelled; pedicells
fleshy, yellow, rather hairy; style persisting.
Fig. ?j. Agrimonia repens. y^gilmonacece. The amaltliEea
cut transversely; calyx five-toothed, echinated; seeds three,
ovate, not fleshy, slightly compressed, pointed at top, blunt
at bottom.
Fig.4!. Ranunculus muricatus. Ramniculacece. The polychlorion
formed of many cariopsides, prickly on both sides.
Fig. 5. Cariopsis of the same cut lengthways; embryo
very small, in the base of the seed.
Fig. 6. Fragaria' vesca. Dryadece. The polychlorion.
Calyx ten-cut; receptacle fleshy, wider than the calyx,
ovate, globular, very large? akenia numerous, small, ovate,
acuminate, slightly compressed.
Fig. 7. An akenium of the same.
Fig. 8. Morus alba. UrticecB. The sorose composed of
several fleshy utricles, soldered v/ith the calycine segments
of the several flowers.
Fig. 9. A single utricle of the same, with the fleshy segments
of its calyx displayed, magnified.
Fig. 10. An utricle of the same opened and magnified.
Fig. 11. Ambora Tamburissa. Urticece. Sycone, or fig,
cut transversely, to show tlie several carcerules, immersed
in the internal surface of the involucrum.
Fig. V2. Finns Americana, ylbietidece. Strobile eggshape;
cupules leatherlike, thick, triangular, rounded on
the outer edge.
Fig. 13. A cupule of the same; nucules two, winged
upon the outward side.
Fig. 14. Embryo of the same, magnified; cotyledons
four.
Fig. 15. Cupressus sempervirens. Cupressidece. Galbule
ovate, globular ; cupule angular, upright, headed, edge of
the head oblique and jagged, centre radiated.
Fig. 16. A cupule of the same.