72 
INDEX 
Spiranthes____. 
Spraguea ...._ 
Stachys_.____42, 
Stanleya___ 
Stapliylea---..-- 
Stellaria..-.-. 
Stipa..... 
Streptopus______ 
Symphoricarpus___ 
Symplocarpus_____ 
Syntkyris_.____ 
Tanacetum__-.... 
Taxus___.__ 
Tellima_ 
Teucrium______ 
Thuya ...___ 
Tiarella___ 
Tkalictrum _____ 
Therm opsis ....._____._ 
Tolmoea_____ 
Trientalis______ 
Triglochin_____ 
Page. 
Triticum_...._ 45 
Tradescantia.........._ 44 
Trifolium.. 38,54 
Trillium_ 65 
Troximon_....___ 41 
Typha_ 65 
Urtica_____ ... 43,65 
Uvularia_ 44 
Vaccinium_ 62 
Valeriana....._............ 60 
Verbena_ 41 
Veratrum_.......___ 66 
Veronica_....._ 41,63 
Vicia.. 37,47,54 
Vilfa... 44 
Viola. ..... 37,52 
Woodsia_......... 45 
Xanthium_......___ 40,49 
Yucca __ 44 
Zanthoxylum... 37 
Zostera_ 65 
Zygodenus. ... 44 
Page. 
50,65 
47 
50,63 
37 
37 
53 
44 
66 
40,59 
65 
63 
61 
65 
58 
42 
65 
58 
36 
38 
58 
63 
65 
