28 DESCRIPTION OF THE PLATES. 



Plate IV. HOSACKIA PUBERULA, (page 10.) 



Fig. 1. The calyx ; enlarged. 



Fig. 2. Parts of the corolla : a, the standard ; b, b, the wings ; c, c, the keel-petals ; equally 

 enlarged. 



Fig. 3. Monadelphous stamens, with the pistil enclosed in the stamineal sheath ; also mag- 

 nified. 



Fig. 4. Part of a stamen ; more magnified. 



Fig. 5. The pistil ; enlarged. 



Fig. 6. A pod of the natural size ; part of one valve removed to show the seeds. 



Plate V. OLNEYA TESOTA, (page 10.) 



Fig. 1. A separate flower ; a little enlarged. 



Fig. 2. The calyx ; more enlarged. 



Fig. 3. Parts of the corolla : a, the standard ; b, h, the wings ; c, c, the keel-petals ; equally 



enlarged. 



Fig. 4. The diadelphous stamens ; enlarged. 



Fig. 5. Part of a separate stamen ; magnified. 



Fig. 6. The pistil ; magnified. 



Fig. 7. The ovary laid open ; showing the numerous ovules. 



Plate VI. APLOPAPPUS SPHiEEOCEPHALUS, (page 12.) 



Fig. 1. A head of flowers ; somewhat enlarged. 



Fig. 2. A separate flower ; considerably magnified. 



Fig. 3. The corolla laid open, showing the stamens and style. 



Fig. 4. A separate stamen. 



Fig. 5. Branches of the style, showing the stigmatic lines ; much magnified. 



Fig. 6. A ripe achenium with its pappus ; considerably enlarged. 



Plate VII. MENODORA SCABRA, (page 18.) 



Fig. 1. A flower ; enlarged. 



Fig. 2. The corolla laid open ; more enlarged. 



Fig 3. A stamen ; still more enlarged. 



Fig. 4. The pistil ; equally magnified. 



Fig. 5. The ovary, longitudinally opened; more enlarged. 



Fig. 6. Ripe pod, showing the dehiscence ; moderately enlarged. 



Fig. 7. Longitudinal section of the seed ; more magnified. 



Plate Vlll. CENTROSTEGIA THURBERI, (page 20.) 



Fig. 1. Involucre; considerably magnified. 



Fig. 2. Limb of the same laid open, and more enlarged. 



Fig. 3. Flower ; still more enlarged. 



Fig. 4. A sepal, with a stamen attached to the claw ; highly magnified. 



Fig. 5. The pistil ; moderately magnified. 



Fig. 6. A ripe achenium ; more enlarged. 



Fig. 7. A mature seed ; equally magnified. 



Fig. S. The embryo-; also equally magnified. 



