Effects of a Bush Fire on the Vegetation of Signal Hill. 
221 
conspicuous on the ridge at the northern boundary of the burnt area. 
Here several new water-courses were formed as a result of the washing 
away of the loosened soil. 
Man was also instrumental in loosening the soil. Wood-gatherers were 
constantly seen, as is always the case after a bush fire, and the tracks caused 
by dragging large bundles of burnt brushwood down the hill were very 
noticeable. 
The outstanding feature of the next period of activity, which began 
towards the end of August, was the predominance of Monocotyledons 
amongst the herbaceous plants in flower. The following were noted : — 
Monocotyledons. 
Water-course of valley A. 
Moraea tristis (f). 
Moraea papilionacea (o). 
Valley slopes and ridge. 
Sparaxis grandiflora (a). 
Geissorhiza secunda (a). 
Geissorhiza sp. (a). 
Pterygodium catholicum (a). 
Homeria collina (f). 
Moraea tripetala (f). 
Lachenalia orchioides (f). Not in full flower. 
Pterygodium alatum (f). 
Disperis villosa (1, f). 
Hesperantha sp. (o). 
Babiana plicata (o). End of flowering period. 
Satyrium bicorne (o). 
Hypoxis serrata (o). 
Komulea chloroleuca (o). 
Lachenalia unifolia (r). 
Gladiolus gracilis (r). 
Disperis circumflexa (r). 
Ridge only. 
Romulea hirsuta (a). 
Baeometra collumellaris (f). 
Galaxia ovata (o). 
Ornithogalum tenellum (o). 
Aristea cyanea (o). 
Galaxia graminea (r). 
I 
