Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean: Vol. 2, Pt. 4

BOTANY.
Plate V. PEiNTSTEMON FENDLERI. Page 168.
Fig. 1, corolla laid open, and moderately enlarged; fig. 2, longitudinal section of a flower,
more magnified; fig. 3, a perfect stamen, still more magnified; fig. 4, upper portion of the
imperfect stamen; fig. 5, pistil, its ovary laid open vertically.
Plate VI. SALVIASTRiUM TEXANUM. Page 169.
Fig. 1, vertical section of a flower; fig. 2, the calyx laid open; fig. 3, corolla; fig. 4, a stamen; fig. 5, pistil; fig. 6, vertical section of the ovary; fig. 8, vertical section of a seed-all
the figures variously magnified.
Plate VII. STEGNocARPUs CANESCENs. Page 169.
Fit,. 1 a flower,enlarged; fig.2, the corollalaid open, showing the stamens and pistil,
equally magnified; fig. 3, a stamen, more magnified; fig.4, pistil, with the ovarycutlongitudinally; fig. 5, an ovule, gilhly magnified; fig. 6, the fructiferous calyx, moderately enlarged; fig. 7, cross-section of the fruit; fig. 8, a nutlet, more magnified; fig. 9, vertical section of tile same.
Plate VIII. PTILOCALYX GREGGII. Page 170.
Fig. 1, a flower, magnified; fig. 2, the corolla laid open vertically; fig. 3, a stamen, more
magnified; fig. 4, the pistil, equally magnified; fig. 5, an ovule, highly magnified; fig. 6,
fructiferous calyx; fig. 7, the fruit and persistent style; fig. 8, transverse section of the fruit,
showing one perfect cell containing a seed, and three abortive, collapsed cells; fig. 9, embryothe last five figures moderately magnified.
Plate IX. EDDYA HISPIDISSIMA. Page 170.
Fig. 1, leaves, showing the upper and lower surface, magnified; fig. 2, a flower, equally
magnified; fig. 3, the corolla laid open vertically; figs. 4 and 5, stamens, front and back views;
fig. 6, pistil, with the ovary cut vertically; fi., cross-section of the ovary; fig. 8, fructiferous
calyx; fig. 9, a nutlet; fig. 10, embryo.
Plate X. PIIACEL.A POPEI. Page 172.
Fig. 1, flower enlarged; fig. 2, corolla laid open, showing the stamens and pistil; fig. 3,
stamens, more magnified; fig. 4, calyx and pistil; fig. 5, pistil, with the ovary vertically divided; fig. 6, transverse section of the ovary; fig. 7, ovule, more magnified; fig. 8, fruit scarcely
matured, with the persistent calyx; fig. 9, seed, more magnified; fig. 10, vertical view of a
seed transversely divided; fig. 11, embryo, still more magnified.
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