160 



Sporobolus, 65 

 Sporocybe, 33 

 Sporotrichum, 32 

 vSpyridia, 16 

 Stachyobotrys, 33 

 Stachys, 133 

 Htaphylea, II4 

 Staurastrum, 3 

 Stauroneis, 24 

 Steironema, 126 

 Stemonitis, i 

 Stenophyllus, 70 

 Stereodon, 56 

 Stereum, 36 

 Stichococcus, ^ 

 Sticta, 47 

 Stilophora, lo 

 ►Stipa, 65 

 Htreptococcus, 26 

 Striaria, 9 

 Striatella, 21 

 Htrobilomyces, 39 

 Strophostyles, no 

 Stylosanthes, 107 

 Surirella, 26 

 Syniphoricarpos, 141 

 vSympbytum, 131 

 Synchytrium, 27 

 Syndesmon, 95 ^ 

 Synedra, 22 

 Syntherisma, 63 

 Syringa, 127 



I AJL>iiiJL*ljA,i\.lAj, 21 

 •*- Tanacetuioij 153 

 Taraxacum, 143 

 Taxus, 60 

 Tecoma, 138 

 Terpsinoe, 21 

 Tetraspora, 4 

 Teucrium, 131 

 Thalesia, 138 

 Thalictram, <)6 

 Thaspium, 1 21 

 Thelephora, 37 



Thelia, 56 

 Theloschistes, 44 

 Thlaspi, 97 

 Tilia, 115 

 Tissa, 93 

 Thuidium, 54 

 Thuja, 60 

 Toxylon, 85 

 Trade&cantia, 75 

 Trametes, "^^ 

 Trapopogon, 143 

 Tremella, 36 

 Trentepohlia, 6 

 Triadenum, 1 16 * 

 Triceratium, 20 

 Trichia, i 

 Trichocolea, 48 

 Tricholoma, 42 

 Trichostema, 131 

 Trientalis, 126 

 Trifolmm, 107 

 Triglochin, 62 

 Trillium, 78 

 TriosteutQ, 141 

 Tripsacum, 63 

 Trollius, 94 

 Tsuga, 60 

 Tubercularia, ^^ 

 Tubulina, I 

 Tunica, 91 

 Tussilago, 153 

 Typba, 61 



TTLMUS, 85 

 ^ Ulota, 51 

 Ulotbrix, 6 

 Ulva, 6 

 Uncinula, 29 

 Unifolium, 78 

 Uredo, 36 

 Uromyces, 35 

 Urtica, 86 

 Urticastnira, Z6 

 Usnea, 46 

 Ustilago, 34 



Ustulina, 31 

 Utricularia, 1 38 

 Uvularia, 77 



^TACCARIA, 91 



* Vaccinium, 125 

 Vagnera, 78 

 Valeriana, 142 

 Valerianella, 142 

 Vallisneria, t2 

 Valsa, 31 

 Vaucberia, 8 

 Veratrum, 77 

 Verbascum, 135 

 Verbena^ 131 

 Vernonia, 145 

 Veronica, 136 

 Viburnum, 141 

 Vicia, 108 

 Vinca, 128 

 Viola, 117 

 Vitis, 115 

 Volvox, 4 



TrrASHINGT0NIA,i2i 

 ^^ Weisia, 49 

 Willugbbaea, 146 

 Woodsia, 57 

 Woodwardia, 58 



VANTHIDIUM, 3 

 -^ Xanthium, 145 

 Xantborrbiza, 94 

 Xantboxylum, ill 

 Xolisma, 124 

 Xylaria, 32 

 X3a'is, 75 



7ANNICHELLIA, 62 

 ^ Zizania,64 

 Zizia, 122 

 Zostera, 62 

 Zygnema, 4 

 Zygogonium, 4 



