267 



Trillium, 6i; cernuum, 179; erectum, 



179, 42 

 Trypetheliaceae, 94 



Trypethelium cruentium, 94; virens, 94 

 Tsuga canadensis, 178, 183, 184; hetero- 



phylla, 61; Mertensiana, 63 

 Tussilago Farfara, 42 

 Two Additions to the Flora of Louisiana, 



21 

 Two British Columbian Notes, 45 

 Two New Plants from the Tertiary 



Rocks of the West, 135 

 Two New Tertiary Species of Trapa, 105 

 Two Recent Works on the Marine 



Algae (Review), 4 

 Typhaceae, 230 



Ueber den Einfiuss des Tabakrauches 

 auf der Pfianze (Review), 34 



Ulmaceae, 238 



Ulva lactuca, 98 



Umbilicaria, 88; Dilleni, 88; hirsuta, 88 

 Muhlenbergii, 88; papulosa, 88 

 pennsylvanica, 88; 170; pustulata, 88 

 pustulata papulosa, 88; vellea, 88 



Underwood Fund, 130 



Urceolaria scruposa, 91 



Urticaceae, 238 



Usnea, 139; angulata, 79; articulata, 

 139; barbata, 78, 79; barbata cera- 

 tina, 79; barbata dasypaoga, 79; 

 barbata fiorida, 79; barbata hirta, 79; 

 barbata plicata, 79; barbata rubigi- 

 nea, 79; calif ornica, 139; fiorida, 79; 

 fliorida hirta, 79; fiorida rubiginea, 79; 

 longissima, 79; plicata, 79, 139; pli- 

 cata Huei, 79; trichodea, 79 



Usneaceae, 78, 139 



Usneei, 78 



Ustilaginaceae, 211 



Vacciniaceae, 248 



Vaccinium pennsylvanicum, 102, 173, 

 177; vacillans, 173, 177; Vitis-Idaea, 

 66 



Valeriana capitata, 66 



Valerianaceae, 251 



Van Loan, C, 129 



Van Tieghem, P. E. L., death of, 96 



Vegetation of Connecticut — III, The, 

 167 



Vegetation of the Smaller Islands be- 

 longing to Porto Rica, The, 164 



Verbascum Thapsus, 181 



Verbenaceae, 249 



Vernonia, 113 



Verrucaria epigaea, 95; nitida, 95 



Verrucariaceae, 95 



Vesicularia amphiloba, 31; vesicularis, 



31 

 Viburnum acerifolium, 177, 179; molle, 



160; nudum, 160 

 Vicia sativa, 34 

 Viola, 42; Brittoniana, 4; emarginata, 3, 



4; emarginata X septemloba, 3, 4; 



pedata, 173; fimbriatula, 189; pedata 



lineariloba, 102; septemloba, 2, 4; 



villosa, 4 

 Violaceae, 246 



Violets New to Southeastern Virginia, 2 

 Vitaceae, 245 

 Vitrea, 137 



Wager, H., The Action of Light on 



Chlorophyll (Review), iii 

 Warner, C. H., Formaldehyde as an 



Oxidation Product of Chlorophyll 



Extracts (Review), iii 

 Watson, J. H., death of, 131 

 White, O. E., 17, 130 

 Whorled Leaves in Gentiana, 108 

 Wieland, G. R., 96 

 Wild Flowers of Spring, 164 

 Wille, N., 25s 

 WilUams, R. S. & Britton, E. G., 



Central American Mosses, 24 

 Wilson, E. H., 38 

 Wilson, G. W., 165 

 Wilson's A Naturahst in Western China 



(Review), 8 

 Winter Changes in Weeping Willow, 31 

 Wood, G. C, A Preliminary List of the 



Lichens found within a Radius of 



100 Miles of New York City, 73 

 Woodsia ilvensis, 171, 172 



Xanthium, 12, 13, 14; fruticosum, 12 

 Xanthoria lychnea, 82; parietina, 82; 



polycarpa, 82 

 Xylogropha parallela, 92 

 Xyridaceae, 235 



Zannichelliaceae, 230 

 Zizaniopsis miliacea, 151 

 Zostera, 100, loi 

 Zosteraceae, 230 



