178 BOTANY. 
Plate V. PentstemMon FENpLERI. 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. SarnviasrRUM Texanum. Page 169. 
Fig. 1, vertical section of a flower; fig. 2, the calyx laid open; fig. 3, corolla; fig. 4, a sta- 
men; fig. 5, pistil; fig. 6, vertical section of the ovary; fig. 8, vertical section of a seed—all 
the figures variously magnified. 
Plate VII. SrEGNOCARPUS CANESCENS. Page 169. 
Fig. 1, a flower, enlarged; fig. 2, the corolla laid open, showing the stamens and pistil, 
equally magnified; fig. 3, a stamen, more magnified ; fig. 4, pistil, with the ovary cut longi- 
tudinally ; fig. 5, an ovule, highly magnified; fig. 6, the fructiferous calyx, moderately en- 
larged; fig. 7, cross-section of the fruit; fig. 8, a atiek, more magnified; fig. 9, vertical sec- 
tion of the same. am 
Plate VIII. PrrLocALYx Greaat. 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, embryo— 
the last five figures moderately magnified. 
Plate IX. Eppya uisprpissmma. 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 . 7, cross-section of the ovary ; fig. 8, fructiferous 
calyx; fig. 9, a nutlet; fig. 10, embryo. 
Plate X. Puacen.a Poprzr. 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 divi- 
ded; 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. 
