African and Madagascar Flowering Plants. 365 
On looking down on the flower from above, five circular aper- 
tures are seen between the stamens which lead down to the 
base of the flower. In consequence of the fusion of the 
staminal filaments and corona there is therefore a circular 
gallery running round the base of the flower under the over- 
hanging style and the base of this gallery appears to be 
fleshy and secrete honey. Introducing a bristle into one of 
these circular apertures and bending it about as an insect 
would its proboscis, the disc becomes usually attached and on 
withdrawal brings out the pollen. When one does this there 
is a sudden motion of the pollen-masses which immediately 
spring forward so that they are in a line with the disc and 
bristle to which it is attached (whereas formerly they were 
inclined at 6o° to it). Hence on entering another flower the 
pollen-mass will enter the circular aperture and be in the right 
position to touch the stigma. Visitors Numerous Lepidop- 
tera : Junonia Rhadama , Closterus flabellicornus , Limnas 
chrysippus , sp., Acraea Zitya , and three other species. 
Hymenoptera : Apis unicolor and a sand-wasp form. Diptera : 
No. 50a. Coleoptera : No. 520. 
Belmontia eordata, E. Mey (Fig. 99). 
The tube of the corolla is 6 to 7 lines long, while the 
limb measures nearly 10 lines in diameter. The anthers 
are lodged in a slight swelling just below the throat of the 
corolla. The greatest peculiarity lies in the occurrence of two 
stigmata quite separate and distinct from one another. The 
first is on the extremity of the style and projects out of the 
throat: so far as I could see, it had normal, well-developed 
stigmatic papillae ; the second is about 2 or 3 lines below 
this and consists of two longitudinal ridges on the style 
about a line long : I thought I distinguished germinating 
pollen-grains upon it. There are peculiar round knobs on 
the tips of the anthers; in young flowers these are erect and 
surround the style, while in older flowers they are reflexed and 
hang downwards; they may secrete a sticky substance ren- 
dering the pollen adhesive. The second stigma seems to me 
