264 DESCRIPTION OF THE PLATES, 
PLATE XVII. ASTRAGALUS CROTALARIAE 1—Page 56. 
А. UPPER PART OF THE PLANT. В. А RACEME OF PODS: BOTH OF THE NATURAL SIZE. 
Fig. 1. A separate flower; moderately enlarged. Fig. 2. The keel; more enlarged. Fig. 3. 
The stamens, with the pistil enclosed in the sheath of filament; equally magnified. Fig. 4. 
The pistil detached. Fig. 5. An ovule; pretty highly magnified. 
PLATE ХУШ. CHATOCALYX SCHOTTII.—Page —. 
A FLOWERING BRANCH OF THE NATURAL SIZE. 
Fig. 1. The petals separated; a, the vexillum; 00, the wings; с, the keel; moderately magni- 
fied. Fig. 2. Lower portion of a wing; more magnified. Fig. 3. The monadelphous stamens 
and the exserted style; still more magnified. Fig. 4. Pistil with the cavity of the ovary laid 
open; equally magnified. Fig. 5. Flower from which the corolla has fallen; less magnified. 
Fig. 6. Immature pod, showing the wing-like termination; moderately enlarged. Figs. 7 and 8. 
Pods of C. Wislizeni, of the natural size. Fig. 9. A seed of the natural size. Fig. 10. The 
embryo detached and magnified. 
PLATE XIX. АСЖМА PINNATIFIDA.—Page 63. 
A PLANT OF THE NATURAL SIZE. 
Fig. 1. An expanded flower; considerably magnified. Fig. 2. The calyx, shown separately 
and equally magnified. Fig. 3. Part of а stamen; more magnified. Fig. 4. A flower divided 
longitudinally, considerably magnified. Fig. 5. The pistil detached and equally magnified. 
Fig. 6. An ovule. 
PLATE XX. ADENOSTOMA SPARSIFOLIA.—Page 63. 
A BRANCH OF THE NATURAL SIZE. 
Fig. 1. A flower with bracts at the base of the calyx; magnified. Fig. 2. The same with 
the bracts cut away. Fig. 3. A portion of the flower, more magnified; showing a petal and 
three stamens. Fig. 4. The pistil; equally magnified. Fig. 5. The ovary of the same laid 
open, and exposing one of the ovules. Fig. 6. Transverse section of the ovary. Fig. T. . 
Fructiferous calyx, with the persistent filaments, magnified. Fig. 8. The fruit detached from 
the same. 
PLATE XXI. ROSA GYMNOSPERMA.—Page —. 
A FLOWERING BRANCH OF THE NATURAL SIZE. 
Fig. 1. A petal; enlarged. Fig. 2. A stamen; considerably magnified. Fig. 3. Longitudinal 
section of a flower, showing the pistils in the ventricose calyx-tube; the petals removed; enlarged. 2 
Fig. 4. A detached pistil; more enlarged. Fig. 5. Longitudinal section of the ovary; magnified. | 
Fig. 6. Cross section of the same; equally magnified. 74 
I In 
Incorrectly amed À tragal 8 talarioides on the plate. 
