GENERAL INDEX 



261 



Perithecium 26 

 Persoonieae 144 

 Phaeophyceae 1 5 

 Phalline 21 

 Phalloideae 30 

 Phanerogams 88 

 Photographs by 



Belgrove, J. PI. 24 A 



Bohr, Frau Fig. 19 a 



Cook, A. Graham Fig. 98 



Dinter, Kurt PI. 65 B 



Dyke, E. Pis. 10, 61 A Figs. 77, 82 c 



Elliott, Arthur PI. 13 



Fuller, A. J. PI. 28 



Galpin, Wilfrid PI. 18 



Henkel, J. S. PI. 19 



Laney, P. S. PI. 16 



Meiring, Izaak Fig. 78 



Menne, Frank Fig. 75 B 



Rogers, A. PI. 53 B 



Schenck, Prof. A. Fig. 68 B 



Steer, E. J. PI. 27. Fig. 78 b and c 

 Phycomycetes 20 

 Phytolaccaceae 126, 193, PI. 47 

 Pigweed 187 

 Pileus 29 

 Pinaceae 105 

 Pines 102, 105 

 Pinks 212, 215 

 Piperaceae 120, 125, 128 

 Pistil 114 

 Plasmodium 4 

 Plates, list of Page xiv 

 Plomb, witte 218 

 Podocarpus 101 

 Poisonous mushrooms 21, 29 

 Poisonous plants 191, 198 £, 222 

 Pollen chamber 89 

 Pollen grain 89, 1 14 

 Pollen tube 89, 1 14 

 Pollination 114, 263 

 Pollinoids 18 

 Polycarpicae 117, 122 

 Polyembryonic seeds 168 

 Polygonaceae 126, 180, PI. 47 

 Polygonales 122 

 Polypodiaceae 71 

 Polyporaceae 30 

 Poplar 130 

 Poppy 232, 237 

 Populierboom 130 

 Porcupines 178 



Portraits of S.A. botanists PL 1 Text viii 

 Portulacaceae 126, 210, PI. 55 

 Postelein 211 



Potato disease 20 Fig. 16, 17 

 Pro-embryo 13 

 Pro-mycelium 33 



Protea 149 



Proteaceae 125, 141, Pis. 27-36 



Proteales 121 



Protective mimicry 205 — 208, Pis. 51, 52 



Protection against animals 150, 198 a, 218, 



220 

 Prothallial tissue 93, Fig. 62 

 Prothallium 64 

 Protogynous flowers 139 

 Protonema 43 

 Protozoa 7 

 Pruimbast 162 

 Pruim, wilde 165 

 Pseudopetals 126, 194 

 Pseudopodium 53 

 Pteridophyta 64 

 Pteridosperms xvii 

 Puff balls 21, 22, PI. 3 

 Purslane 211 

 Pycnidia 27, 34 

 Pycnoconidia 37, Fig. 36 

 Pycnospores 27, 36 

 Pyrenomycetes 27 



Quillworts 78 

 Quivering fungi 29 



Radix Pannae 66 



Rafflesiaceae 126, 174, PI. 43 



Rainfall, Karoo 199 



Ramanas 240 



Ramie fibre 140 



Ranales 117, 122 



Ranunculaceae 127, 220, Pis. 59 — 61 



Raphe 15 



Raphides 198 a 



Red algae 17 



Red Rain 9 



Reduced forms 120 



Relative humidity of air 102, 163 



Resedaceae 127, 243 



Resting cyst 8 



Resurrection plants 69 



Rhamnales 123 



Rhizobium 6 



Rhizoids 51, 64 



Rhodophyceae 17 



Rhoeadales 122 



Rhubarb 181 



Robin PI. 22 



Rooi ganna 183 



Rosales 123 



Rust 31 



Salicaceae 120, 125, 130 

 Salt bush 183 

 Sand dunes 133 

 Santalaceae 125, 159, PL 37 



