78 Agricultural Botany. Vol. VL 



53. Datura Stramonium, L. Jamestown Weed, or Jimson: Thorn Apple. A well- 

 known noxious weed ; in waste grounds, &c, 



5-4. Verbascum Thapsus, L. Common Mullen. A worthless biennial, abounding in the 

 fields of slovenly farmers. 



55. V Blattaria, L. Moth Mullen. A frequent weed in pastures ; but not so 



troublesome as the preceding. 



56. SoLANUM Nigrum, L. Nifrht-Shnde. A noxious weed, in waste grounds. 



57. S Tuberosum, L. Round Potato: Irish Potato. Universally known, and culti- 



vated, for its valuable tubers, of which there are several varieties. The Lijcopersi- 

 cum, or Tomato, is also much cultivated, in gardens, for its esculent fruit. 



58. S. Carolinense, L. Horse Nettle. A most pernicious weed, and extremely difficult 



to eradicate; happily rare, as yet, in this region. 



59. Lobelia Inflata, L. Eycbright : Indian Tobacco. An acrid weed, frequent in pas- 



tures. It has been suspected as the cause of slabberimr in horses, but the fact is 

 not well ascertained. It is the famous medicine of the Thompsonian Doctors. 



60. CuscuTA Europ.'ea, L. Flax Vine : Dodder. A pernicious vine, frequent among 



cultivated flax. 



61. CiiEiNOPODiUM Album, L. Lamb's Quarters: Goose-foot. A coarse weed, common 



in gardens and cultivated lots. 



62. Beta Vulgaris, L. Garden Beet: Sugar Beet. A valuable esculent; the variety, 



called Sugar Beet, much cultivated for feeding stock in winter. The B. Cycla, or 

 Mangel Wurtzel, is also sometimes cultivated, but not extensively. 



63. CicuTA Maculata, L, Water Hemlock : Wild Parsnep : Spotted Cowbane. A 



poisonous weed ; frequent in wet meadows. 



64. Archemora Rigida, Dc. Cowbane. A weed, said to be highly poisonous to cattle; 



frequent in low, swampy meadows. 



65. Pastinaca Sativa, L. Common Parsnep. A valuable esculent; chiefly cultivated 



in gardens, but often straying into the borders of fields, and becoming a troublesome 

 weed. 



66. Daucus Carota, L. Carrot: Wild Carrot. The cultivated I'crie/j/ is a valuable escu- 



lent; but the Wild Carrot is becoming a serious nuisance on many farms. 



67. Sambucus Canadensis, //. Elder Bush. A troublesome shrub, in many enclosures — 



especially along fence-rows, hedges, and borders of fields; giving them a slovenly 

 appearance. 

 6S. Rhus Glabra, L. Common, or Smooth Sumach. A frequent nuisance, in poor old 

 neglected fields, and along fences. 



69. R Radicans, L. Poison Vine: Poison Oah. A frequent pest along fence-rowe, 



and clinging to old stumps and trees: poisonous to many persons. R. Venenata, Dc, 

 is a very poisonous species, occurring in swampy thickets, along rivulets. 



70. LiNUM UsiTATissiMUM, L. Common Flux. A plant well known for its valuable fibrous 



bark, and oily seeds; but sparingly cultivated, of latter years, in this district. 



71. Allium ViNEALE, //. Garlic: Crow Garlic. An obnoxious and troublesome plant, 



especially in dairy pastures, and among wheat crops. 



72. Oknithogalum Umbellatum, L. Ten O'clock. A plant which has escaped from the 



gardens, and is a vile pest on many farms. 



73. JuNcus Ekfusus, L. Common Soft Rush. A worthless plant ; common in low grounds, 



and often forming tufts, or tussocks. 



74. Vkratrum Viride, L. Swamp Hellebore: Indian Poke. A frequent weed in swampy 



meadows. 



75. RuMEX Cuispus, L. Sour Dock: Curled Dock. A tronblesome weed, in moist, rich 



grounds. 



76. R Obtusifolius, L. Bitter Dock. Also a worthless, troublesome weed. 



77. R Acetosella, L. Sheep Sorrel, Another worthless species, and often so abund- 



ant as to be a nuisance. 



78. Polygonum Aviculare, L. Crefping Knot Grass. 



79. P Erectum, L. Erect Knot Grass. 



80. P Punctatum, Ell. Water Pepper. 



81. P Persicaria, L. Lady's Thumb. 



82. P Pennsylvanicum, L. 



83. P Sagittatum, L. ) These two species are commonly called Tear-Thumb, and 



84. P Arifolium, L. ) are oflen abundant in swampy meadows. 



85. P (/onvolvulus, L. Climbing Buckwheat. Frequent in wheat fields. 



86. P Fagopyrum, L. Buckwheat The only valuable species of this numerous 



All worthless; and often trouble- 

 some about houses, lots, and 

 waste grounds. 



