178 
6. M. magnum, on Walnut. 
6a. = » var. on Acer, U.S.A. 
7. M. ovatum, on Beech, from the Batheaston specimen. 
. Hederae, on Ivy. 
a 
= 
9. M. Pandani, on Screw Pine. 
10. M. Desmazierii, on Lime. 
11. M. sphaerospermum; a, on Phragmites. 
b, on Bamboo cane. 
c, diagrammatic view of a typical 
spore. 
All the figures, except 1lc, x 800 times. 
XV.—NOTES ON AFRICAN COMPOSITAE: V. 
J. Htutcurson. 
Hippia, Linn. 
The genus Hippia is distinguished from other South African 
members of the tribe Anthemideae by its alternate mostly divided 
) 
in size after fertilisation, at the same time erhaps becoming 
somewhat mucilaginous and entirely covering the styles. The 
fertile achenes appear to be nearly mature by the time the male 
flowers in the same head begin to open. 
ippia is confined to South Africa and occupies a rather 
restricted area of the South Western Region from the Cape and 
Tulbagh Divisions in the west to Humansdorp in the east. The 
receptacle, bisexual flowers, the males abortive, the extremely 
reduced female corollas and the dorsally flattened epappose 
achenes. 
