INDEX TO PLANTS. 



Picea, 237, 238, 242, 243, 244. 



Pickerel Weed, 319, 890. 



Pie Plant, 505. 



Pigweed, 154, 734, 751. 



Pine, 42, 119, 152, 171, 176, 238, 239, 240, 

 248, 250, 251, 253, 371, 372, 373, 375, 

 738, 821, 823, 825, 829, 833, 840, 853, 

 854, 901, 938, 953, 977, 985, 992, 993, 

 995, 997, 1007, 1008, 1012, 1013, 1014, 



IOI7, IO2O, IO2I, IO23 IO32, 1038 



1040, 1042, 1043, 1051 1053, 1057, 



1058, 1068, 1069, 1076, 1077, 1079, 



1081. 



Plantago, 230. 

 Plum, 43, 64, 169, 412, 414, 430, 432, 466, 



469, 729, 733, 74i, 9i3, 925, 993, 1062. 

 Podysoma, 453. 

 Poison Ivy, 49, 557, 924. 

 Pokeberry, 11, 34, 164. 

 Polygonum See Smartweed. 

 Pondweed, 724. 

 Pontederia, 319, 890. 

 Poplar, i, 192, 262, 264, 803, 1041. 

 Potamogeton, 724. 

 Potato, 126, 447, 571. 

 Prairie Clover, 410, 585. 

 Prickly Ash, 631, 635, 1044. 

 Prunus See Plum. 

 Psoralea, 54. 

 Pyrus, 393, 913, 951, 965, 993, 1003, io6_\ 



auercus See Oak. 

 uince, 736, 750. 



Ragweed, 29, 67, 130, 154, 164, 278, 295, 



507, 508, 520, 533, 745, 758, 860. 

 Rape, 680, 683, 685. 

 Raspberry, 53, 434. 

 Rattlebox, 709. 



Red Bay, 46, 446, 737, 798, 906. 

 Redbud, 434, 690, 926, 980, 1044. 

 Reed, 206, 863. 

 Rheum, 505, 506. 

 Rhizophora, 970. 

 Rhododendron See Laurel. 

 Rhubarb, 505, 506. 

 Rhus, 49, 557, 980, 1010, ion. 

 Rice, 236, 325, 885, 899. 

 Robinia, 100. 

 Rose, 53, 161. 

 Rose Mallow, 63. 

 Rosin Weed, 55, 860. 



Rubber Tree, 828, 904, 908, 930, 932, 941. 

 Rudbeckia, 584, 585, 588. 

 Rumex, 185, 505, 506, 720. 

 Rush, 325, 617, 639, 863. 

 Rye, 899. 



Sagittaria, 195, 197, 200, 209, 213, 215. 



217, 3ii, 319, 321, 325, 637. 

 St. Andrew's Cross, 464. 

 St. John's Wort, 431. 

 Salix See Willow. 

 Sand Cherry, 414. 

 Saponaria, 719. 



Sassafras, 164, 253, 480, 1002, 1035, 1044. 

 Satureia, 585. 

 Scirpus See Rush. 

 Sea Beans, 967. 

 Sea Ox-Eye, 151. 

 Sea Rocket, 493, 689. 

 Seaweed, 817, 818. 

 Sedge, 195, 321, 325, 353, 615, 885. 

 Senecio, 230. 



Senna, 34, 176, 425, 461, 760, 808. 

 Sensitive Pea, 176. 

 Sesbania, 176. 

 Shadbush, 402, 411. 

 Sheepberry, 118. 

 Shepherd's Purse, 683. 

 Sideranthus, 279. 

 Silphium, 55, 860. 

 Smartweed, 154, 155, 186, 200, 498, 503, 



514, 516, 517, 662, 663, 690, 711, 719, 



720, 721. 



Smilax, 907. 



Smut, 27. 



Snake Root, 576. 



Sneezeweed, 31, 276, 278, 520. 



Solarium, 431, 447, 449, 571, 725. 



Solidago See Goldenrod. 



Sour Gum, 996. 



Spanish Moss, 115, 325, 514, 858. 



Spice Wood, 1044. 



Spruce, 237, 238, 242, 243, 244, 249, 374, 

 827, 853, 910, 948, 959, 960, 971, 972, 

 975, 977, 993, 1014, 1020, 1022, 1025, 

 1028, 1029, 1031, 1040, 1042, 1051, 1053, 

 1055, 1056, 1058, 1064, 1070, 1075, 

 1076. 



Spurge, 719, 720, 751. 



Staphylea, 30. 



Strawberry, 141, 174, 434, 767. 



Strophostyles, 97. 



Stylophorum, 91. 



Sugar Beet, 154. 



Sumac, 49, 61, 919, ion. 



Summer Savory, 585. 



Sunflower, 54, 145, 154, 282, 505, 510, 584. 



Sweet Fern, 45, 313, 316. 



Sweet Flag, 866. 



Sweet Gum, 36, 907, 974. 



Sweet Potato, 4, 160, 755. 



Sycamore, 832. 



Tamarack, 472, 856, 975, 1029, 1042, 1054, 



1058. 



Tamarind, 898. 

 Taxodium, 255. 

 Thistle, 139, 140, 250, 500, 505, 549, 558, 



560, 761, 860. 

 Thoroughwort, 25. 

 Thorn, 411, 412, 418, 422, 431, 467, 469, 



621, 729, 736, 740, 741, 913. 

 Thuja, 1065. 



Tick Trefoil, 86, 95, 107. 

 Timothy See Grass. 

 Toxylon, 907. 

 Trifolium See Clover. 

 Trillium, 600. 

 Tsuga See Hemlock. 

 Tulip, 480, 825, 980, 1036. 

 Turnip, 683. 

 Typha, 866. 



Vlmus See Elm. 

 Urtica, 571, 678, 749. 



Vaccinium See Huckleberry. 



Verbascum, 225, 486. 



Verbesina, 585. 



Vernonia, 131, 160, 164, 558, 860. 



Vetch, 1 88. 



Viburnum, 116, 118, 432. 



Vicia, 188. 



Virginia Creeper, 557, 562. 



Walnut, 50, 60, 62, 381, 727, 799, 829, 838, 



972, 985, 997, 1044- 



Waterleaf, 622. 



Water Lily, 325, 327, 617. 



Water Hyacinth, 211, 764. 



Water Milfoil, 724. 



Wheat, 28, 899. 



Wild Cucumber, 115. 



Wild Indigo, 34, 99, 356, 753. 



Willow, 56, 57, 92, 192, 261, 265, 267, 270, 

 291, 393, 398 400, 402, 406 409, 428, 

 803, 844, 920, 921, 939, 1044, 1046. 



Willow Herb, 665, 765. 



Witch Hazel, 471, 928, 1043. 



Woodbine, 557, 562. 



Xanthium, 154, 524, 571, 860. 

 Xanthoxylum, 631, 635. 



Yellow Rocket, 702. 

 Zamia, 120. 



