PNDES. yo Oe 
‘Senecio ii. 165  Stylophorum gers | ae 
- Serpicula (dors) ii. 242 Stylosanthes ; ii. 106 
Sesbania ii. 111 Styrax : ii. 83 
Seseli > - 194 Swertia 102 
Sesleria ; 64 vena - 28 
Sesuvium r 306  Symphoria aos 
Seymeria ii. 48 Symplocarpus Si 
Shepherdia a 2A Sieendrs ae ii. «629 
Sibbaldia : 207 
. Sicyos - fi. 229, 
Sida fi. $81 2¥ 
Siegesbeckia ‘ ii. 170 3 ‘ 
Silene ; 288 Talinum ii. + 6 
Silphium ; ii. 183 Tanacetum ii. 141 
Sison « é 187 Taxus ii. 245 
Sisymbrium—s ii. 67 Tephrosia. ii. 119 
Sisyrinchium + i224 Petra theca _-~ i 
sgium eee 186 Teucrium = ii. 
| §milacina = = 225 Thalia ee 
Smilax . ii. 237 Thali¢trum = 
Smyrnium Ser 195 Thapsia ra 
Solanum + 127. Thaspium sae 
Solidago ii. 159 Thermia sae 
_ Sonchus li. 124 Thesium (x Conant) ir = 
_ Sophora . 280 =Thiaspi : = 
_ Sorbus - $805 Thuja F 
Sorghum. , 64 Thymus . 
Sparganium : ii, 202 Tiarella a 
~Spharganophoras _ ii. 133 Tigarea 
Spergula . 290 Tilia : 
Spermacoce oan 94 Tiliza : 
Spigelia . 134 Tillandsia 
Spirza . 307 ‘ipularia -. * 
Stechys - ii. 30 Tofie!dia : 
Stanleya i ii. 71 Tradescantia 
Staphylea— - 204 Tragia : 
Starkea" ii. 169. Tribulus Sa 
ae . 205 Trichodium . 
Stellaria ; . 289 Trichophorum 
Stillingia © + ii, 226 Trichopbyllum 
Stipa . ; 58 Trichostema, 
Stipulicida - 29 = Trientalis ~ 
Stokesia ~ « ii. i i A 
ie i Strep to! us ee 224 Triuglochin- 
eS = Sepahiawesis : ii. 249 -Trigonella : 
eg oo ii; 84 Trillium kee EE 
“Btylandra —“.170 Trlosteum © = 
