128 
Potentilla, 
323 
*Pycnanthemum, 116-17 
Quercus, sp. 396-400 
^Ranunculus 
sp. 262-3 
*Rhexia, 
303 
Rhus, 
353 
Robinia, 
351 
*Rubia, 
242 
*Rubus, 
326-7 
*Rumex, 
80-81 
*Sabalum, 
sp. 29-30 
Sabbattia, 
155 
*Sagittaria, 
40 
*Salix, 
389-90 
^Salvia, 
118 
*Saponaria, 
310 
*Sarracenia, 
17 
Scirpus, 
22 
*Scrophularia, 
129 
* Scutellaria, 
127-8 
*Sicyos, 
377 
^Sida, 
296-8 
Silphium, 
228 
Sison, 
253 
Sisyrinchium, 
43 
* Sisymbrium, 
268 
Smilax, 
32-35 
* Solan urn, 
137-38 
^Solidago, 
208-9 
*Sonchus, 
181 
*Spergula, 
*Spermacoce, 
309 
240 
Spigelia, 
162 
Spinacia, 
*Stachys, 
85 
123 
Sty rax, 
167 
Tecoma, 
sp. 150 
*Teucrium, 
120 
*Tilia, 
304 
Tillandsia, 
46 
*Trifolium, 
339-41 
Triticum, 
27 
*Troximon. 177.180.182 
Typha, 
21 
*Ulmus, 
sp. 387-8 
*Urtica, 
380-2 
Verbascum, 
sp. 132 
Verbena, 
112 
Verbesina, 
218.223-4 
Viburnum, 
246 
Viola, 
305-7 
*Viscum, 
251 
*Vitis, 
286 9 
Yucca, 
45 
* —* — 
