1907] 
the Vermont Botanical and Bird 
Clubs, 108; Annual Meeting of the 
Josselyn Botanical Society, 107. 
Thistle, Blessed, 28. 
Three Plants from Maine, 202. 
Thuspeinata, 43, 50. 
Thymus Serpyllum, var. angustifolius, 
40. 
Tillaea, 49. 
Tillia, 49. 
Tissa, 54. 
Tofieldia glutinosa, 160, 172, 189; pa- 
lustris, 160. 
Torresia, 53. 
Tovaria, 53. 
Toxylon, 54; aurantiacum, 91; Mac- 
lura, 91; pomiferum, 91. ` 
Tragus, 53. 
Trees, Some new or little 
Forms of New England, 109. 
Triceratium, 130; alternans, 
flavum, 139. 
Trichochloa, 17, 18; foliosa, 19; glom- 
erata, 22; longiseta, 18; mexicana, 
18; sobolifera, 18. 
Trichochloa $ Acroxis, 18; § Steno- 
cladium, 17. 
'Tricoecae, 37. 
Trichilia alata, 50; pterophylla, 50. 
Trifoliastrum, 37. 
Trifolium hybridum, 121. 
Trillium cernuum, 121; 
121. 
Triodon, 53. 
Trisetum melicoideum, 159. 
Tristegineae, 50. 
Tristegis, 50. 
Tropidoneis seriata, 135; zebra, 135. 
Tuber, 51; cibarium, 51. 
Tuberaria, 46. 
Tubiflorae, 37. 
known 
139; 
undulatum, 
Ubochea, 38. 
Umbelliferae, 37. 
Unifolium, 53. 
Uromyces Fabae, 39. 
Uropedium, 50. 
Urticaceae, 37. 
Urticales, 37. 
Urticastrum, 54. 
Urvillea, 38, 52. 
Utricularia biflora, 119; clandestina, 
119; cornuta, 119; gibba, 119; in- 
flata, 119; intermedia, 119; resupi- 
nata, 119; subulata, 119. 
Vaccinium, 187; 
eaespitosum, 154, 
atrococcum, 
156, 163, 
119; 
190; 
Index 251 
canadense, 75, 156, 163, 169, 
ovalifolium, 163, 177, 178, 188, 190, 
191; Oxycoccus, 163, 190, 218; pal- 
lidum, 119; pennsylvanicum, 
187, var. angustifolium, 156, 
uliginosum, 154, 156, 163, 169, 174, 
177, 182, 190; Vitis-Idaea, 
var. minus, 156, 163, 169, 170, 177, 
189, 191. . 
Vagnera, 53. 
Valentinia, 53. 
Valeriana sylvatica, 163, 190; 
nosa, 163. 
Variations of Primula farinosa in north- 
eastern America, 15. 
Varieties of Gratiola at Westfield, a 
clerical Error, Record of Color, 195; 
of Gratiola aurea, The retrograde 
Color, 122. 
Variety of Houstonia caerulea, Alpine, 
209; of Scirpus Olneyi, A new, 220. 
Vaucheria, 200; Gardneri, 201, 202, 
forma tenuis, 201; geminata, 201, 
202; longipes, 201, 202. 
Verbena hastata, 122. 
Vermont Botanical and Bird Clubs, 
108; Further Information regard- 
ing the Occurrence of Dryopteris 
Filix-mas in, 27; Plants, New Sta- 
tions for two, 227; Rediscovery of 
Podostemon ceratophyllus in, 220. 
Vernonia, 55; noveboracensis, 122. 
Veronica alpina, 25, 154, var. una- 
lascheensis, 24, 163, 166, 190; Ana- 
allis, 39; Anagallis-aquatica, 39. 
Viburnum cassinoides, 122; dentatum, 
122; pauciflorum, 154, 163, 169, 190. 
Vienna Congress, On the Rules of Bo- 
tanical Nomenclature adopted by 
the, 29. 
Vincetoxicum 49; nivale, 43. 
Viola, 93, 151; affinis, 93, 94; arenaria, 
13; asarifolia, 95, 96; blanda, 93; 
canina, var. Muhlenbergii, 151, 162; 
carolina, 96, 97; conspersa, 151, 
162; cordifolia, 98; cucullata, 93, 94; 
cuspidata, 96; Dicksonii, 96: fim- 
briatula, 96; hirsutula, 98, 211-213, 
215; hirsutula X papilionacea, 98, 
211, 213, 214; hirta, 41; labradorica, 
162; laetecaerulea, 96;  Mendel's 
Law of Dominance in the Hybrids of, 
211; nephrophylla, 162, 189, 216; 
nodosa, 96; obliqua, 93, 94; pal- 
mata, var. dilatata, 96; palustris,162; 
papilionacea, 93, 94, 96, 98, 211-213, 
215, x villosa, 98; pedata, 121; 
rotundifolia, 93; sagittata, 13; sep- 
uligi- 
