The insects visit the plant in large numbers, attracted by the foetid smell, and act as carriers of the pollen from one spathe to another.
- Orifice of foetid glands opening above the coxa of the 4th appendage, not raised upon a tubercle.
Among the North American species are the foetid or Ohio buckeye, Ae.
- Orifice of foetid glands opening above the coxa of the 3rd appendage, not raised upon a tubercle.
- Orifice of foetid glands opening on a tubercle situated near the lateral border of the carapace above the base of the 5th appendage.
Castoreum is a substance contained in two pear-shaped pouches situated near the organs of reproduction, of a bitter taste and slightly foetid odour, at one time largely employed as a medicine, but now used only in perfumery.
The inhalation of the fumes of nascent ammonium chloride by filling the room with the gas has been recommended in foetid bronchitis.
In East and South Africa there is a genus of Mustelidae known as Ictonyx (Zorilla) which possesses a foetid odour and is warningly coloured with black and white bands after the manner of skunks.
Like the skunk, this animal can eject the foetid secretion of the anal glands.
In many cases the slimy masses of spermatia (Uredineae), conidia (Claviceps), basidiospores (Phallus, Coprinus), &c., emit more or less powerful odours, which attract flies or other insects, and it has been shown that bees carry the flagrant oidia of Sclerotinia to the stigma of Vaccinium and infect it, and that flies carry away the foetid spores of Phallus, just as pollen is dispersed by such insects.