70 



THE MONTANA EXPERIMENT STATION. 



Mountain Thistle, 36. 



Monse-ear Chick weed, 20, 32, 



Mullein, 15, 64. 



Mustard, 30; see "Black Mustard". 



Native Plantain, 49. 



Nettle, 63. [Fig. 20]. . 



Nightshade, 59. 



Oak -leaved Goosefoot, 33. 



Oraehe, 7, 28. 



Ox-eyed Daisy, 33. 



Oyster plant, 63. 



Parsnip, 49. 



Pennycress, 7, 63. 



Pepper-grass, 45. 



Pigweed, 7, 14, 16, 26. 



Pigweed Parseley, 6, 14, 15, 26. 



Pin clover, 65. 



Plantain, 6, 9, 14, 15, 19, 20, 50. 



Poverty-weed, 14, 16, 19, 24, 33, 43, 48. 



Prairie Beans, 46. 



Prickley Lettuce, 45. [Fig. 12]. 



Purseley, 24, 26, 51. 



Radish, 5, 30. 



Ragweed, 7, 9, 14, 16, 24, 26, 40. 



Rayless Dogfennel, 14, 48. 



Bed Pigweed, 14, 33. 



Ri bgrass, 50. 



Kosin-weed, 15, 20, 41. 



Running Mallow, 46. 



Russian Thistle, 7, 8, 15, 20, 22, 23, 53, 



54, 55. [Fig. 15]. 

 Salsify, 15, 63. 

 Sandwort. 14. 

 Scotch Bull Thistle, 8, 14, 20, 22, 23, 36, 



37. [Fig. 8]. 

 Sheep Sorrel, 6, 15, 17, 19, 20, 51, 52. 



[Fig. 14] 

 Shepherd's-purse, 14, 16, 32. 

 Skeleton-weed, 46, 47. [Fig. 13]. 

 S'ough-grass, 42. [Fig. 10]. 

 Small Tarweed, 4(5. 

 Smartweed, 51. 

 Snow on the Mountain, 40. 

 Sow Thistle, 7, 9, 16, 60. 

 Spurge, 17; see ''Carpet- weed". 



Squirrel-tail Grass, 42. [Fig. 10}. 



Stinkweed, 35, 60. 



Stinging Nettle, 15, 63. [Fig. 20}. 



Strawberry Blite, 33. 



Sunflower, 6, 7, 9, 14, 16, 17 18, 20, 41, 42. 



Sweet Clover, 7, 48. 



Tall Ragweed, 27. [Fig. 2]. 



Tall Tarweed. 66. 



Tansy Mustard, 15, 58. 



Tarweed, 14, 46, 66. 



Thistle, 6, 7, 8, 15, 16, 19, 36. 



Thorny Cucklebur, 65. 



Tickseed, 14, 39. 



Trailing Vervain, 64. 



Tumble grass, 7, 14,49. 



Tumble-weed, 6, 7, 14, 15, 25. [Fig. 1]. 



Tumbling Mustard, 7, 18, 20, 58, 59. 



[Fig. 17]. 

 Turnip, 5, 30. 

 Vetch, 66. 

 Vervain, 6, 15, 64. 

 White Melilot, 48. 

 White Sage, 16, 28. 

 Wild Arnica, 41. 



Wild Asparagus, 16, 19, 46, 47. [Fig. 13]. 

 Wild Buckwheat, 16, 17, 51. 

 Wild Hollyhock, 48. 

 Wild Lettuce, 14,44. 

 Wild Liquorice, 6, 16, 19, 41. 

 Wild Morning-glory, 6, 19, 37. 

 Wild Mustard, 6, 7, 9, 14, 16, 18, 20, 30, 



31. [Fig. 4]. 

 Wild Oat, 6, 9, 16, 17, 18, 20, 28, 29. [Fig. 



3]. 

 Wild Potato, 15, 16. [Fig. 18]. 

 Wild Tansy, 25. 



Wild Tomato, 6, 60, 61. [Fig. 18]. 

 Wild Turnip, 5, 30. 

 Willow-leaved Dock, 15, 53. 

 Woolly Plantain, 15. 

 Wormwood, 14, 16, 28. 

 Yardgrass, 50. 



Yellow Evening Primrose, 49. 

 Yellow Melilot, 48. 

 l'ellow Thistle, 60. 



