in South Africa. 277 
downwards, as the short filaments of the stamens are thickened 
in such a way that they completely embrace the lower half of 
the pear-shaped swelling (Fig. 18). 
The style lengthens greatly after the calyx has attained its 
definite growth, and in consequence is thrown into a curved 
strained position. When it bursts the calyx, or is torn apart 
by the bird probing the flower, a slight explosion aud scatter- 
ing of pollen takes place. 
Rather to my surprise, I saw a pair of the Nectarinia chalybca 
carefully going over the heads of this plant. They were 
catching insects, but appeared also to suck the honey. Beetles 
also visit the flowers, e. g. No. 173, P attend, nov. sp., and a 
Hedybius. 
L. hypophyllum , R. Br., and L. diffusum , R. Br., agree in all 
important points with the above species. 
Leucospermum NUTANS, R. Br. (Figs. 14, 15.) 
In this form the style is further differentiated. The swollen 
end of the style instead of sloping upwards ends in a flat top, 
in the centre of which are two slight ridges protecting the 
stigmatic slit. The pollen is shed on this flat surface. 
Antholyza aetpiiopica, L. 
The five lower perianth-segments are turned backwards, 
whilst the upper, which is larger than the others, forms a roof 
over the stamens. 
The flowers are distinctly protandrous. All the stamens 
are turned so as to dehisce downwards, and the style branches 
subsequently unclose and move downwards between the sta- 
mens, so as to lie a little below the anthers. 
Self-fertilisation is possible therefore if all the pollen has not 
been removed in the earliest condition. 
After very tedious watching on different occasions, I was 
able to see birds at work on this flower, though not so clearly 
as I could wish. The length from stigma to base of ovary is 
sixteen lines, as usual in bird-flowers. Bees may often be 
