12 LIST OF ILLUSTRATIONS 



29. Enchanter's nightshade (Circaea Lutetiana) 59 



30. Bladder campion (Silene Cucubalus) 61 



31. Hobble-bush (Viburnum lantanoides) 63 



32. Pipe-wort (Eriocaulon septangular e) 68 



33. Colic-root (Aletris farinosa) 69 



34. Round-leaved sundew (Drosera rotundifolia) 71 



35. One-flowered pyrola (Moneses grandiflora) 73 



36. Twin-leaf (Jeffersonia diphylla) ' 74 



37. Pine sap (Monotropa Hypopitys} 75 



38. Great burnet (Poterium Canadense) 76 



39. White sweet clover (Melilotus alba) 77 



40. Yarrow (Achillea Millefolium) 80 



41. Chamomile (Anthemis Cotula} 82 



42. Climbing false buckwheat (Polygonum scandens} 83 



43. Wild lily-of-the-valley (Maianthemum Canadense). ... 84 



44. Devils-bit (Chamaelirium Carolinianum) 85 



45. Leather-leaf (Cassandra calyculatd) 87 



46. Thorn-apple (Datura Stramonium) 87 



47. Cassiope hypnoides 89 



48. Water-pennywort (Hydrocotyle Americana) 90 



49. Marsh andromeda (Andromeda polifolid) 93 



50. Labrador tea (Ledum latifolium) 94 



51. Silver-rod (Solidago bicolor) 96 



52. Wild lettuce (Lactuca Canadensis) 96 



53. Common everlasting (Gnaphalium polycephalum) 96 



54. Bastard toad-flax (Comandra umbellata) 97 



55. Oswego tea (Monarda didymd) 107 



56. Hemp nettle (Galeopsis Tetrahit) 113 



57. Twin-flower (Linnaea borealis) 115 



58. Obedient-plant (Physostegia Virginiana) 117 



59. Spreading dogbane (Apocymim androsaemifolium) 118 



60. Seaside gerardia (Gerardia maritima) 119 



61. Purple-leaved willow-herb (Epilobium color alum) 120 



62. Joe Pye weed (Eupatorium purpureum) 122 



63. Tick-trefoil (Desmodium nudiflorum) 127 



64. Rabbit-foot clover (Trifolium arvense) 129 



65. Arethusa (Arethusa bulbosa} 130 



66. Adder's mouth (Pogonia ophioglossoides) 131 



67. Blue vervain (Verbena hastata) 136 



68. Self-heal (Brunella vulgaris) 137 



