542 Key to the System of 



(b) Almost or quite herbaceous Cakile, Stackhousia, Zygophyllum, 

 Tribulus, Euphorbia, Australina, Mollugo, Mesembrianthemum, Tetra- 

 gonia, Colobanthus, Portulaca, Polygonum, Ptilotus, Polycnemum, 

 Chenopodium, Dysphania, Bassia, Kochia, Enchylaena, Threlkeldia, 

 Bossiaea, Desmodium, Psoralea, Trigonella, Kennedya, Glycine, Swain- 

 sona, Glycyrrhiza, Pimelea, Acaena, Potentilla, Oreomyrrhis, Hydrocotyle, 

 Apium, Eryngium, Melothria, Coprosma, Cotula, Centipeda, Leonto- 

 podium, Scaevola, Lobelia, Isotoma, Selliera, Goodenia, Wilsonia, 

 Dichondra, Heliotropium, Mentha, Glossostigma, Mimulus. 



(c) Grasses or Grass-like Zostera, Oreobolus, Ehrharta, Hemarthria, 

 Zoysia, Sporobolus, Cynodon, Distichlis, Spinifex. 



Thorny or prickly or otherwise pungently pointed plants 



(a) Their branches Lepidium, Hymenauthera, Bursaria, Nitraria, 

 Muehlenbeckia, Rhagodia, Kochia, Acacia, Daviesia, Eutaxia, Bossiaea, 

 Rubus, Colletia, Cryptandra, Exocarpos, Leptomeria, Coprosma, Scaevola, 

 Lycium, Wilsonia, Prostanthera, Eremophila, Smilax, Rhipogonum. 



(b} Their leaves Hibbertia, Stellaria, Scleranthus, Colobanthus, 

 Salsola, Acacia, Daviesia, Oxylobium, Platylobium. Pultenaea, Bossiaea, 

 Eryngium, Aciphylla, Melaleuca, Callistemon, Leptospermum, Isopogon, 

 Lomatia, Grevillea, Hakea, Banksia, Solauum, Styphelia, Epacris, Spren- 

 gelia, Richea, Westringia, Xerotes, Xanthorrhoea, Calectasia, Bartlingia, 

 Livistona, Juncus, Calostrophus, Restio, Oreobolus, Lepidosperma, 

 Scirpus, Ehrharta, Stipa, Zoysia, Spinifex, Distichlis, Eragrostis, Triodia, 

 Festuca, Arundo. 



(c) Their flowers or fruits Eriostemon, Tribulus, Abutilon, Ricino- 

 carpus, Fagus, Casuarina, Tetragonia. Rumex, Bassia. Daviesia, Acaena, 

 Geum, Calycothrix, Ceratophyllum, Daucus, Sicyos, Hakea, Glossogyne, 

 Bidens, Calotis, Athrixia, Cynoglossum, Lappula, Burchardia, Xanthor- 

 rhoea, Damasonium, Sparganium, Ehrharta, Andropogon, Anthistiria, 

 Pentapogon, Stipa, Aristida, Echinopogon, Oplismenus, Panicum, Spinifex, 

 Chloris, Agropyron, Bromus, Danthonia. 



Normally minute plants 



(a) Erect or ascending Myosurus, Menkea, Alyssum, Capsella, 

 Drosera, Poranthera, Sagina. Scleranthus, Tillaea, Ammannia, Hydro- 

 cotyle, Didiscus, Asperula, Galium, Brachycome, Cotula, Elachanthus, 

 Helipterum, Sfcuartina, Rutidosis. Angianthus, Skirrophorus, Toxanthus, 

 Millotia, Candollea, Leeuwenhoekia, Sebaea, Mitrasacme, Rochelia, 

 Eritrichum, Utricularia, Polypompholyx, Microtis, Bartlingia, Triglochin, 

 Eriocaulon, Trithuria, Aphelia, Centrolepis, Cyperus, Schoenus, 

 Scirpus. 



