Hartbeesthoek 94 - The New South Africa Datum has a great detailed description of the history, datums and projected coordinate systems (Lo17, etc.) [seems no longer reachable, but easily found in the wayback]
The following thumbnails link to PNG images with alpha channels, for use as billboards. They were taken by Johan Hammes at the Jonkershoek Nature Reserve near Stellenbosch (45 km east of Cape Town)
Looks like common Calla Lilly, probably Zantedeschia aethiopica which is native to SA. This is not technically a lily, so it shouldn't be confused with the lily in the genus Calla (Calla palustris, common name "wild calla") Calla Lilly, Zantedeschia aethiopica Calla Lilly, Zantedeschia aethiopica Definitely family Proteaceae, but looks like genus Leucadendron rather than Protea. Common name unknown. There are 7 Leucadendron species listed as occurring in Jonkershoek. genus Leucadendron genus Leucadendron genus Leucadendron probably Proteaceae, genus unknown purple flower, unidentified unidentified brush plant, component of mountain fynbos unidentified brush plant, component of mountain fynbos unidentified grass tuft unidentified grass tuft unidentified large tree large tree, looks like a pine (?) there are a lot of European pines growing in Jonkershoek, being managed by the SA forestry service unidentified large tree large bush, looks like Proteaceae