Naturalisation in Extra-Tropical Countries. 639 



IMPORTANT CULTURAL PLANTS continued. 



Rubia, Rubus,* Rumex, Ruta, Sagittaria, Salix, Salvia, Sambucus, 

 Sanguinaria, Sanguisorba, Saponaria, Satureja, Saxono-Gothaea, Scan- 

 dix, Scorzonera, Secale,* Sequoia, Sesleria, Silene, Sison, Solanum, 

 Spartina, Spartium, Spergula, Spinacia, Stachys, Stilbocarpa, Sym- 

 phytum, Tamarix, Tanacetum, Taraxacum, Taxus, Thuya, Thymus, 

 Tilia, Tragopogon, Trapa, Trifolium,* Trisetum, Triticum,* Tropaeolum r 

 Tulipa, Typha, Ulex, Ulmus, Vaccinium,* Valeriana, Valerianella, 

 Veratrum, Vicia,* Viola, Zizania. 



VII. 



IMPORTANT CULTURAL PLANTS, ADAPTED EVEN 

 FOR THE DRIEST CLIMATE. 



[Contained within the following genera.] 



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

 phipogon, Anabasis, Andropogon, Anthistiria, Arachis, Aristida, 

 Astragalus, Atriplex, Avena, Beta, Bouteloua, Brassica, Broraus, 

 Callitris, Capparis, Casuarina, Ceratonia, Cereus, Chenopodium, Cucu- 

 nais, Cucurbita, Cynodon, Cyperus, Dactylis, Danthonia, Daucus, 

 Dorema, Duboisia, Ehrharta, Eremophila, Eriaiithus, Eriochloa, 

 Erodium, Ervura, Eucalyptus, Exomis, Fagopyrum, Ficus, Grevillea, 

 Helianthus, Helichrysum, Helipterum, Holcus, Hordeum, Ipomcea, 

 Jacksonia, Kochia, Lactuca, Lasiocorys, Lathyrus, Lespedeza, Medi- 

 cago, Mesembrianthemum, Milium, Neurachne, Ornithopus, Oryzopsis, 

 Oxytropis, Panicum, Pappophorum, Parinarium, Pentzia, Peucedanum, 

 Phaseolus, Phoenix, Phymaspermum, Physalis, Pinus, Pisum, Poa, 

 Pollichia, Portulacaria, Prunus, Ptilotus, Raphanus, Rhagodia, Rhus, 

 Ricinus, Rumex, Sanguisorba, Santalum, Scorzonera, Secale, Sesbania, 

 Solanum, Spergula, Spinifex, Sporobolus, Stenopetalum, Stenotaphrum, 

 Stipa, Telfairia, Tetragonia, Trigonella, Triticum, Vicia, Vigna, Vitis. 



VIII. 



IMPORTANT. CULTURAL PLANTS, EARLIEST 

 IN THE SPRING. 



[Contained within the following genera.] 



Allium, Asparagus, Crambe, Daucus, Lactuca, Pisum, Prunus, 

 Raphanus, Rheum, Ribes, Spinacia, Tragopogon. 



*h 



IX. 



IMPORTANT CULTURAL PLANTS, LATEST IN 

 THE AUTUMN. 



[Contained within the following genera.] 



Actinidia, Allium, Apium, Beta, Brassica, Capsicum, Castanea, 

 Citrus, Corylus, Cucumis, Cucurbita, Diospyros, Ficus, Humulus, 

 Juglans, Olea, Photinia, Prunus, Pyrus, Solanum, Stachys, Tragopogon, 

 Vigna, Vitis. 



