1899] 
Ulota Ludwigii, 34. 
Ulothrix collabens, 127. 
Umbelliferae, Preliminary list of New 
England Species, 159. 
Undescribed and little-known Varieties of 
Aster and Solidago, 187. 
Uroglena, 101. 
Ustilago antherarum, 90. 
Utricularia cornuta, 184; gibba, 82, 224; 
intermedia, 82; purpurea, 184; resu- 
pinata, 224. 
Uvularia grandiflora, 26, 172, 221. 
Vaccinium, 168; arboreum, 95; caespi- 
tosum, 94, 186, 192; canadense, 94, 
183; corymbosum, 94; macrocarpon, 
94; oxycoccus, 94, 183, 192; pennsyl- 
vanicum, 94, 192; stamineum, 94; 
uliginosum, 94, 172, 192, at a low 
altitude, 172; vacillans, 94; Vitis- 
Idaea, 94, 171, 192. 
Vagnera trifolia, 184. 
Valeriana officinalis, 81. 
Variations of Spiranthes cernua, On some, 
IIO. 
Varieties of Aster and Solidago, some 
undescribed and little known, 187. 
Veratrum viride, 167. 
Vermont, Botanical Club, 77; Helvelleae, 
with descriptive Notes, 59; Hydrastis 
canadensis, L., in, 200; Kalmia latifolia 
in, 136; Myxomycetes with Notes, 
List of, 128; Saniculas of Western, 7. 
Vibrissea, 60, 61, 64; circinans, 64, 67, 
Correction in regard to, 91; lutea, 64, 
91; truncorum, 60, 64. 
Viburnum cassinoides, 191; 
183; Opulus, 168. 
Vicia hirsuta, 48; sativa, 47; tetrasperma, 
81. 
Viola canadensis, 171; canina, 223; 
cornuta, 81, 171; ovata, 107; rostrata, 
171; rotundifolia, 170; sagittata, 107; 
Selkirkii, 184; striata, 171. 
lantanoides, 
Index 
| Wild Lettuce, 
243 
Violet-flowered Form of Fringed Polyg- 
ala, 173. ; 
Viorne, 168. 
Vitis riparia, 48; vulpina, 48. 
Water-Supplies, Pollution by Algae, 98. 
Webera nutans, 34, 35. 
Webster, Hollis, Notes on some Fleshy 
Fungi found near Boston, 13; Notes 
on Calostoma, 30; Fungus Notes, 57; 
Fungi in Greenhouses, 83; Hydnum 
Caput-Medusae, 108; Peculiar State of 
Polyporus pergamenus, 136; Note on 
Morchella bispora, 156; Lepiota rha- 
codes, 224. 
White Blackberry, 205. 
Whitney, Luella C., List of Vermont 
Myxomycetes with Notes, 128. 
Wiegand, Karl M., Notice of Work, 111. 
A New, from Eastern 
Massachusetts, 12. 
Wille, N., New Forms of Green Algae, 149. 
Williams, Emile F., Myosotis collina in 
New England, 11; New England 
Botanical Club, 37. 
Williamstown, Some Plants about, 24. 
Wills, Frank J., On the Edibility of 
Clitocybe illudens, 186. 
Winter Botanizing, 215. 
Woodsia, 219. 
Woodwardia virginica, 42, 102, 184. 
Worcester County, Massachusetts, Addi- 
tions to Flora of, 42, 201. 
Xanthorrhiza apiifolia, 170. 
| Xerophyllum asphodeloides, 185. 
| Xylaria, 56, 60. 
Xyris flexuosa, 183; montana, 183. 
Zea Mays, 107. 
Zizia aurea, 160; cordata, 160. 
Zygadenus, 230; leimanthoides, 185. 
| Zygnema, 99. 
