DESCRIPTION OF THE PLATES. 
magnified. Fig. 6, the ovary, seated on the calyx. Fig. 7, a longitudinal section of the 
same. Fig. 8, a transverse section of the same : all equally magnified. 
Plate 68. — Portion of a plant of Villakesia pungens. 
Plate 69. — Villakesia Congonha. 
Fig. 1, a three-flowered branch of the panicle. Fig. 2, a single flower: both nat. size. 
Fig. 3, a flower, magnified. Fig. 4, a sepal. Fig. 5, a petal. Fig. 6, the pistil, with the 
stamens. Fig. 7, the pistil : all equally magnified. 
Plate 70. — Villakesia cuspidata. 
Fig. 1, a flower, nat. size. Fig. 2, a flower, magnified. Fig. 3, a sepal. Fig. 4, a 
petal, seen in front. Fig. 5, the same, seen sideways. Fig. 6, a stamen, seen in front 
and behind. Fig. 7, the ovary : all equally magnified. Fig. 8, longitudinal section of 
the same, with the ovules removed, to show the pseudo-parietal placenta. Fig. 9, the 
same, with the ovules in their place. Fig. 10, a transverse section of the same : all more 
magnified. 
Plate 71. — Villakesia megaphtlla. 
Fig. 1, a flower, nat. size. Fig. 2, the calyx. Fig. 3, the petals. Fig. 4, the stamens : 
all magnified. Fig. 5, the stamens, showing the fllaments and anthers in different posi- 
tions, more magnified. Fig. 6, the pistil. Fig. 7, a longitudinal section of the same, 
showing two collateral ovules in a single cell. Fig. 8, a transverse section of the same. 
Fig. 9, a two-celled ovary, with two collateral ovules in each cell. Fig. 10, a transverse 
section of the same : all magnified. 
Plate 72. — .^Extoxicum punctatum. 
A. The male plant. 
Fig. 1, a flower in bud, nat: size. Fig. 2, the same, showing how the bract bursts and 
falls off by the expansion of the bud, magnified. Fig. 3, the same, showing the mode of 
aestivation of the sepals and petals. Fig. 4, the same after expansion. Fig. 5, two of 
the sepals. Fig. 6, two of the petals. Fig. 7, the stamens : all equally magnified. 
Fig. 8, the stamens before and after dehiscence, more magnified. Fig. 9, the disk, mag- 
nified. 
B. The female plant. 
Fig. 10, a flower in bud, nat. size. Fig. 11, the same, showing the rupturing bract. 
Fig. 12, the same, showing the calyx and corolla in aestivation. Fig. 13, a sepal. Fig. 14, a 
petal. Fig. 15, the pistil, surrounded by the sterile stamens alternating with the lobes of 
the disk : all equally magnified. Fig. 16, two of the sterile stamens. Fig. 17, one of the 
free lobes of the disk : both more magnified. Fig. 18, longitudinal section of the ovary, 
seen sideways. Fig. 19, the same, seen in front. Fig. 20, a transverse section of the 
same : edl magnified. Fig. 21, a fruit, nat. size. Fig. 22, a longitudinal section of the 
same, showing only a single fertilized seed. Fig. 23, the same, with two seeds perfected. 
