60 ASCLEPIADES. 
4, Stigma, the depressions on its angles visible but no 
rudiment of glands. 
Second stage. Cor. 4 longer than the calyx. 
I? Bud. 
2’ Corona staminea and anthers: corona slightly deve- 
loped, its processes are of a form totally different from 
that of the mature ones. 
3’ Stigma. Glands visible, arms not so. 
Third stage, Cor. twice longer than calyx. 
1” Bud. 
2” Corona staminea and anthers, the fissure in the pro- 
cesses has closed up and the convoluted base is appar- 
ent, no traces of the 2 teeth at the upper part. 
9" Ovarium and stigma. Glands and arms developed but 
as yet unattached to the pollinia. 
4" Gland detached. 
Calotropis gigantea, Pl. CCCXCVII. Fig. I. 
1. Bud. 
2. Flower, 3 times natural size. 
3. Ditto Pollinia : adhering and detached. 
4. Corona staminea. 
5. Pollen mass with its gland. Front view. 
6. Ditto lateral view. 
7. Gland detached. 
8. Long section of Pollen masses. 
The same Pl, CCCXCVII. Fig. III. 
1. Longitudinal section of the ovarium, the passage of the 
cord, down the base of the style is marked by a spha- 
celated appearance, at the upper end of the cavity the 
pollen tubes are seen, some of them are disarranged and 
their extremities seen. 
. 2. Longt. section of the placenta, the pollen tubes are 
. Seen ramified over the placenta passing down its base. 
