INDEX. 
709 
Sicyos, 
Sid a, 
Silene, 
Sileneje, 
Silphium, 
Sinapis, 
Sison, 
Sisymbrium, 
Sisyrinchium, 
Sium, 
Smilaceje, 
Smilacina, 
Smilax, 
Smilax Family , 
Snapdragon Family , 
Solan ac eje, 
Solanum, 
Solea, 
Solidago, 
Sonchus, 
Sorbus, 
Sorghum, 
Sparganium, 
Sparganophorus, 
Spartina, 
Specularia, 
Spergula, 
Spergularia, 
Sphagniccetis, 
Sphagnum, 
Spiderwort Family, 
Spigelia, 
Spikenard Family, 
Spinacia, 
Spindle-tree Family , 
Spiraea, 
Spiranthes, 
Splachnum, 
Sporobolus, 
Spurge Family , 
Stachys, 
Staphylea, 
Statice, 
Stellaria, 
Stellate, 
Stenantbium, 
Stipa, 
Streptopus, 
Struthiopteris, 
Sty Ii pus, 
Stylophorum, 
Stylosanthes, 
Suaeda, 
Subularia, 
Succory Tribe, 
145 
68 
58 
57 
219 
38 
163 
38 
483 
163 
484 
Sullivantia, 
Sundew Family, 
Sweet-Gale Family, 
Sweet-Gum Family, 
Symphoria, 
Symphoricarpus, 
Symphytum, 
SympJocarpus, • 
Synandra, 
Synthyris, 
490 
485 
484 
296 
352 
354 
43 
Talinum, 
Tanacetum, 
Taraxacum, 
Taxinea:, 
Taxodium, 
Taxus, 
Teasel Family , 
Tecoma, 
Tephrosia, 
Tetraphis, 
Teucrium, 
Thalictrum, 
Thaspium, 
Thelypteris, 
Thistle Tribe, 
Thlaspi, 
Thuja, 
Thymeleacea:, 
Thymus, 
Tiarella, 
Tigridia, 
Tilia, 
Tiliacea:, 
I Tilla?a, 
Timmia, 
Tipuiaria, 
Tofieldia, 
Tradescantia, 
Trematodon, 
Tricheloatylia, 
Trichochloa, 
Trichocolea, 
Trie hophoru m, 
Trichostema, 
Trichostomutn, 
Tricuspis, 
Trientalis, 
Trifoliutn, 
Triglochin, 
Tbilliacka, 
Trillium, 
Trillium Family, 
Triosteum, 
'Trinlasia. 
149 
49 
420 
432 
170 
170 
335 
447 
328 
302 
67 
235 
250 
444 
443 
444 
104 
652 
333 
7 
161 
630 
241 
40 
442 
395 
324 
150 
483 
71 
71 
146 
664 
468 
502 
512 
654 
530 
580 
688 
528 
333 
652 
589 
282 
106 
458 
485 
487 
485 
173 
589 
60 
