1909] 
Silverweeds, 1, 48. 
Sinnott, E. W., Paracedroxylon, a new 
Type of Araucarian Wood, 165. 
Sisymbrium altissimum, 22, 130; Bar- 
barea, 138; officinale, var. leiocar- 
pum, 131. 
Sisyrinchium, 76; angustifolium, 76, 
92, 131; atlanticum, 76, 131; gra- 
mineum, 76, 179. 
Skunk Cabbage, 63, 64, in an unusual 
Place, Occurrence of the, 63. 
Smilacina stellata, 91, 131; trifolia, 91. 
Smilax Bona-nox, 42; rotundifolia, 
131, var. quadrangularis, 43. 
Societies, The New England Federa- 
tion of Natural History, 148. ' 
Society, Meeting of the Josselyn Botan- 
ical, 179. 
Sodium chloride by Spartina glabra 
alterniflora, Excretion of, 237. 
Solidago, 130; altissima, var. procera, 
57; hispida, 98; macrophylla, 98, 
var. thyrsoidea, 99; nemoralis, 130; 
odora, 130; sempervirens, 127, 130; 
tenuifolia, 130; uliginosa, 99; ulmi- 
folia, 130; uniligulata, 99. 
Solorina crocea, 101. 
Sparganiaceae, 204. 1 
Sparganium, 204; americanum, 204, 
var. androcladum, 204;  angusti- 
folium, 88, 204; diversifolium, 205, 
var. acaule, 205; eurycarpum, 205; 
fluctuans, 205; hyperboreum, 88; 
lucidum, 205, 220; minimum, 205; 
simplex, 13, 88. 
Spartina glabra, 225, 226, var. alterni- 
flora, 89, 237, Excretion of Sodium 
chloride by, 237, var. pilosa, 229; 
Miehauxiana, 89, 230; patens, 225, 
226, 229. 
Species and principal Varieties of 
Cladonia occurring in New England, 
Key to the, 212; of Cladophora, 
New, 17. 
Spergula, 132; arvensis, 93. 
Spergularia canadensis, 229; rubra, 93. 
Spermatophyta, 82. 
Sphaerophorus fragile, 101. 
Sphagnales, 16. ; 
Sphagnum, 225, 230, 234; acutifolium, 
var. rubrum, 231; amblyphyllum, 
var. parvifolium, forma tenue, sub- 
forma capitatum, 231; eymbifolium, 
var. virescens, 231; dasyphyllum, 
230; flavicomans, 232; imbricatum, 
var. affine, 232, var. cristatum, 
forma fuscescens, 231, 232; medium, 
var. purpurascens, 232;  obesum, 
Index. 
253 
230; pulchricomum, var. pulcher- 
rimum, forma  sphaerocephalum, 
232 
Sphenolobus, 16; exsectus, 118; Hel- 
lerianus, 195; Michauxii, 118, 195; 
Peckii, 195. 
Sphenopholis nitida, 83. 
Spiraea latifolia, 129, 175, 176; tomen- 
tosa, 129. 
Spiranthes, 79; Beckii, 79; cernua, 79, 
200, var. ochroleuca, 79; gracilis, 
79; graminea, var. Walteri, 80; 
intermedia, 79; lucida, 79; Roman- 
zoffiana, 92; vernalis, 80 
Spondiaceae, 163. 
Spongomorpha, 19. 
Spruce, Black, 175, 201; White, 201. 
Stachys ambigua, 83. 
Star-flower, 236. 
Status of Arenaria stricta in New 
Hampshire, 184; of Epilobium al- 
pinum and Epilobium Hornemanni, 
141. 
Stellaria borealis, 93; humifusa, 13, 
Ser Owe ба е media DI van. 
ргосега, 44. 
Stephanina, 16. 
Stereocaulon alpinum, 216; conden- 
satum, 216; coralloides, 216; den- 
udatum, 216; nanodes, 216; pas- 
chale, 216; pileatum, 216; tomento- 
sum, 216. 
Stone, G. E., A remarkable Form of 
Kalmia latifolia, 199. 
Streptopus amplexifolius, 91; roseus, 
J1. 
Stuartia, 51. 
Suaeda, 120, 121. 
Submarine Chamaecyparis Bog at 
Woods Hole. Massachusetts, 221. 
Symphytum, 55. 
Tanacetum vulgare, 127, var. erispum, 
1927. 
Tansy, 127. 
Taxodineae, 168. 
Taxoxylon, 168. 
Taxus, 168; canadensis, 87. 
Teucrium, 148; Botrys, 55; new to 
Massachusetts, 148; occidentale, var. 
boreale, 148. 
Thalictrum, 130; confine, 199; poly- 
gamum, var. hebecarpum, 93, 179. 
Thamnolia vermicularis, 216. 
Thistle, Canada, 130. 
Thuya, 37. 
Thylax, 63. 
Tofieldia glutinosa, 91; palustris, 91. 
