Naturalisation in Extra- Tropical Countries. 579 



VII. 



IMPORTANT CULTURAL PLANTS, ADAPTED EVEN 



FOR THE DRIEST CLIMATE. 

 [Contained within the following genera.] 



Acacia, Acanthosicyos, Agriophyllum, Albizzia, Allium, Aloe, Ana- 

 basis, Andropogon, Anthistiria, Arachis, Aristida, Astragalus, Atriplex, 

 Avena, Beta, Bouteloua, Brassica, Bromus, Callitris, Capparis, Casu- 

 arina, Ceratonia, Cereus, Cbenopodium, Cucumis, Cucurbita, Cynodon, 

 Cyperus, Dactylis, Danthonia, Daucus, Dorema, Duboisia, Ehrharta, 

 Eremophila. Eriantbus, EriocMoa, Erodium, Ervum, Eucalyptus, 

 Exomis, Fagopyrum, Ficus, Grevillea, Helianthus, Helichrysum, 

 Holcus, Hordeum, Ipomoea, Jacksonia, Kochia, Lactuca, Lasiocorys, 

 Latbyrus, Lespedeza, Medicago, Mesembrianthemum, Milium, Neu- 

 racbne, Oriiitbopus. Oryzopsis, Oxytropis, Panicum, Pappopborum, 

 Parinariuni, Pentzia, Peucedanum, Phaseolus, Pboe^nix, Phymasper- 

 mum, Pliysalis, Pinus, Pisum, Poa, Portulacaria, Prunus, Raphanus, 

 Rhagodia, Rbus, Ricinus, Rumex, Sanguisorba, Santalura, Scorzonera, 

 Secale, Sesbania, Solanum, Spergula, Spinifex, Sporobolus, Stenope- 

 talum, Stenotaphrum, Stipa, Telfairia, Tetragonia, Trichodesma, 

 Trigonella, Triticum, Vicia, Vigna, Vitis. 



