CONTENTS. 



Page. 



FRONTISPIECE. 

 INTRODUCTORY REMARKS. 



Some General Observations on Weeds ... ... ... ... ... ... ... 1 



Section I. Bad Points of Weeds 1 



Section II. Dispersal of Weeds by natural means 9 



Section III. Dispersal of Weeds by animals ... ... ... ... ..". 11 



Section IV. Prevention and cure ... ... ... ... ... ... ... 13 



Section V. Miscellaneous (including Legislation) 16 



Commonwealth Lists of Proscribed Weeds ... ... ... ... ... ... 19 



Weeds Proscribed in Victoria 24 



List of Plants declared Noxious bv various Shires and Municipalities in New South 



Wales 20 



The Twenty Worst Weeds of New South Wales 27 



SOME WEEDS OF NEW SOUTH WALES. 



Nut Grass (Cyperus rotundus) ... ... ... ... ... ... ... 31 



Water Hyacinth (Eichhornia speciosa) ... ... ... ... ... ... 34 



Wild Onion or Sweet-scented Garlic (Allium fragrans) ... ... 38 



Wild Onion or Onion Weed (Asphodelus fistulosus) 40 



Dwarf Nettle ( Urtica urens) 41 



Khaki Weed (Alternanthera Achryantha, var. echinata; syn. A. cchinata) ... 42 



Cow-Cockle (Saponaria vaccaria) ... ... ... ... ... . 44 



A Poison Buttercup (Ranunculus sceleratus) ... .. ... ... 47 



Rough-seeded Buttercup (Ranunculus muricatus) ... ... ... ... 49 



Mexican Poppy (Argemone mexicana) 



Hexham Scent (Melilotus par vi flora) ... ... ... ... 53 



Petty Spurge (Euphorbia peplus) ... ... ... ... ... ... 56 



Paddy's Lucerne or Queensland Hemp (Sida rhombifolia) ... ... ... 58 



St. John's Wort (Hypericum perforatum) ... ... ... ... ... 62 



Blue Weed or Paterson's Curse (Echium plantagineum} ... ... 64 



Purple-top or Wild Verbena ( Verbena bonariensis) ... ... ... 63 



Blue Weed (Verbena venosa) 70 



Stagger Weed (Stachys arvensis) ... ... ... ... ... ... 72 



Buffalo Burr (Solanum rostratum) ... ... ... ... ... ... ... 74 



Thorn Apple or False Castor Oil Plant (Datura Stramonium) ... ... ... 76 



Castor Oil Plant (Ricinus communis) ' '.-H ... ... ... ... 84 



Bushy Star wort (Aster subulatus) ... ... ... ... ... 87 



Stinkwort (Inula graveolens) 



Soliva sessilis ... ... ... ... ... ... ... 93 



Bat hurst Burr (Xanthium spinosum) ... ... ... ... . ... 94 



Noogoora Burr (Xanthium strumarium) ... ... ... ... 98 



Groundsel (Senecio vulgaris) ... ... ... ... ... *" a 



Black or Spear Thistle (Carduus lanceolatus) ... ... ... 106 



True Star Thistle (Centaurea calcitrapa) 110 



Cockspur or Saucy Jack (Centaurea melitensis) ... ... ... ^^ 



St. Barnaby's Thistle (Centaurea solstitialis) 



Saffron or False Star Thistle (Carthamus lanatus) 120 



Cat's Ear or Flat Weed (HypochcKris radicata) 



Prickly Lettuce or Compass Plant (Lactuca Scariola) 



Sow Thistle (Sonchus oleraceus) ... ... ... ... 127 



Cape Weed (Cryptostemma calendulaceum) ... 



INDEX 13 2 



518429 



