201 
Senecio erucifolius, 76. 
Jacobaea, 77. 
sylvaticus, 76. 
viscosus, 76. 
vulgaris, 76. 
Serratula tinctoria, 78. 
*Setaria glauca, 149. 
viridis, 149. 
Sherardia arvensis, 69. 
Sieglingia decumbens, 153. 
Silaus pratensis, 65. 
Silene Cucubalus, 21. 
*dichotoma, 22. 
gallica 22. 
inflata, 21. 
maritima, 22. 
noctiflora, 22. 
nutans, 22. 
*Silybum Marianum, 78. 
Sinapis arvensis , 15. 
Sison Amomum, 62. 
Sisymbrium Alliaria, 14. 
officinale, 13. 
*pannonicum, 14. 
Sophia, 14. 
Thaliana, 13 
Sium erectum, 62. 
Smyrnium olusatrum, 60. 
SOLAN ACEoE, 95. 
Solanum Dulcamara, 95. 
nigrum, 95. 
*rostratum, 96. 
Solidago Virgaurea, 71. 
Sonchus arvensis, 82. 
asper, 82. 
oleraceus, 82. 
Sparganium minimum, 134. 
racemosum, 134. 
simplex, 134. 
Specularia hybrida, 84. 
Spergula arvensis, 26. 
*Spiraea salicifolia, 43. 
Ulmaria, 43. 
Spiranthes autumnalis, 126. 
Stachys ambigua, 107. 
annua, 107. 
arvensis, 107. 
Betonica, 106. 
palustris, 107. 
sylvatica, 107. 
Statice auriculaefolia, 87. 
Limonium, 86. 
rariflora, 86. 
Stellaria aquatica, 23. 
graminea, 24. 
Holostea, 24. 
media, 24. 
nemorum, 24, 
palustris, 24. 
uliginosa, 24. 
umbrosa, 24. 
Stratiotes aloides, 126. 
Suaeda maritima, 114. 
*Symphoricarpus racemosus, 68 
Symphytum officinale, 92. 
Tamus communis, 130. 
Tanacetum vulgare, 75. 
Taraxacum officinale, 81. 
Taxus baccata, 124. 
Teesdalia nudicaulis, 17. 
Teucrium Scorodonia, 109. 
Thalictrum flavum, 3. 
minus, 3. 
Thlaspi arvense, 17. 
Thrincia hirta, 81. 
ThymeLoEacEo®, 117. 
Thymus Chamaedrys, 104. 
Serpyllum, 104. 
Tilia cordata, 29. 
platyphyllos, 29. 
'"vulgaris, 29. 
Tiliaceo®, 29. 
Torilis species, 66. 
*Tragopogon porrifolium, 83 
pratensis, 83. 
* Trifolium agrarium, 39. 
arvense, 38. 
dubium, 39. 
filiforme, 39. 
fragiferum, 39. 
*hybridum, 38. 
*incarnatum, 38. 
medium, 38. 
minus, 39. 
ochroleucum, 38. 
pratense, 37. 
procumbens, 39. 
repens, 39. 
*resupinatum, 39. 
striatum, 38. 
subterraneum, 37. 
Triglochin maritimum, 137. 
palustre, 137. 
*Trigonella foenum-graecum, 35. 
purpurascens, 35. 
Triodia decumbens, 153. 
Trisetum flavescens, 152. 
Triticum species, 159. 
Tussilago Farfara, 75. 
Typha angustifolia, 134. 
latifolia, 134. 
Typhace/e. 
Ulex europaeus, 34. 
Gallii, 34. 
Ulmus campestris, 119. 
montana, 119. 
Umbelliferous, 59. 
Urtica dioica, 119. 
•pilulifera, 120. 
urens, 120. 
