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398 ACCOUNT OF A NEW GENUS OF PLANTS.

Plate 19 (XXI).

Fig. 1. A Flower-buLl, its bractece and perianthium being removed, to show the column with the two annular processes at its base. Natural size.

Fig. 2. A portion (about ^) of the column, of which part of the limb is re- moved, to show the cavities of the neck, into which the antherse are received. Natural size.

Tig. 3. The portion of the Limb removed from fig. 2, with its antherse im- mersed in their proper cavities. Natural size, 234] j'jG. 4. An Anthera, magnified three diameters, as are figures 5, C, 7, and 8.

Fig. 5. A transverse section of the same above the middle.

Fig. 6. A transverse section of the same below the middle.

Figs. 7, 8. Vertical sections of the same.

Fig. 9. Pollen, magnified 200 diameters.

Plate 20 (XXII).

Fig. 1. A vertical section of part of the base of the smaller Flower- bud, showing the vessels of the root, some of which appear to penetrate the sub- stance of the parasite. Natural size.

Figs. 2, 3. Portions of the column of the expanded Flower, nearly corres- ponding with those of the Bud, in PL 19 (21),/. 2 and 3. Natural size.

Fig. 4. Anthera of the expanded Flower, magnified 3 diameters, as are figures 5 and 6.

Fig. 5. Transverse section of the same below the middle.

Fig. 6. A^ertical section of the same.

Fig. 7. Pollen of the expanded Flower, magnified 200 diameters.

Fig. 8. A transverse section of the Hoot, magnified 3 diameters.

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