LIST OF ILLUSTRATIONS 
Plate I.—A. ASTRAGALUS FILIFOLIUS. 
Figure 1. Pistil enlarged. 2. Cross section of the ovary enlarged. 3. Legume transversely divided. 4. Same 
longitudinally divided_._.___.._..._..._. 
Page, 
38 
B. ASTRAGALUS BISULCATUS. 
Figure 5. Fruit with a leaf, &c. C. Fruit, with the calyx, &c., transversely divided, enlarged to thrice the natural 
size_...._. — ______...........-..... 38 
Plate II.—MUSENIUM DIYARICATUM. 
Figure 1. Vertical section of a flower. 2. Fruit. 3. The same, with the mericarps separating. 4,5. Cross sections 
of the fruit and seeds. The details variously magnified .............................____ 39 
Plate III.—ENDOLEPIS SUCKLEYX. 
Figure 1. Staminate flower. 2. Vertical section of the same, with the lobes of the calyx inflexed. 3. Pistillate 
flower, with the involucre entire. 4. Same, with one side of the closed involucre cut away. 5. A 4-leaved 
calyx of a pistillate flower. 6. Pistillate flower with its 3-leaved calyx, the involucre removed. 7. Pistil, with 
its ovary divided. 8. Fruit in its involucre. 9. Same, with one side of the involucre cut away. 10. The seed 
with its funiculus ; the micropyle has become superior. 11. Embryo detached. The details all variously mag¬ 
nified .......___........_......_______...____ 43 
Plate IV.—OBIONE SUCKLEYANA. 
Figure 1. Staminate flower spread open. 2. Pistillate flower in its involucre. 3. Same vertically divided. 4. Fruit 
in its involucre. 6. Cross section of the same. 6. Longitudinal section of the same. 7. The seed vertically 
divided. Details variously magnified............ 43 
Plate V.—ASTRAGALUS (HOMALOBUS) SEROTINUS. 
Figure 1. Vexillum, wing, and a keel petal. 2. Stamens, &c. 3. Calyx and pistil. 4. Legume transversely divided, 
&c. The details magnified............... 47 
Plate VI.—OROBUS LITTORALIS. 
Figure 1. Vexillum, wing, and a keel petal. 2. Calyx. 3. Stamens. 4. Pistil. 5. Inner face of the style. 
G, Legume. 7. Same with one valve removed. All the details except 6 and 7 enlarged .... ......... 54 
