31G 



Rhodora 



[December 



Sibthorpia, 41. 



Siflglingia, 151; decumbens, 95, 143, 

 231. 



Silene, 119; acaulis, 119, 120, 

 American \'ariations of, 119, ;. 

 parviflora, 120, forma subacaul- 

 escens, 120, var. exscapa, 119, 120, 

 var. subacaulescens, 120; ex- 

 scapa, 120; gallica, 94, 204; poly- 

 trichoides, 120. 



Sisymbrium officinale, 140, 265, 

 var. leiocarpum, 140, 265. 



Sisyrinchium, 95; angustifolium, 

 95, 96, 147; arenicola, 96, 138, 

 244; atlantieum, 95-97, 99, 244; 

 gramineum, 95, 96, 134, 147, 244. 



Sium Carsonii, 113; cicutaefolium, 

 var. Carsonii, 113; suave, 112, 

 113, a new and an old Form, 

 111, forma Carsonii, 113, forma 

 f asciculatum, 111, 112. 



Smilacina racemosa, 242; stellata, 

 159; trifolia, 96. 



Smilax, 97, 144, 145; rotundifolia, 

 97, 109, 144, 145, 147, 242, var. 

 quadrangularis, 144, 147, 243. 



Soil Reactions of Spiranthes cernua 

 and its Relatives, 127. 



Solidago, 99, 172; altissima, 174; 

 bicolor, 292; canadensis, 143, 

 151, 172, 293; Elliottii, 144, 151, 

 157, 169, 292, 302: graminifolia, 

 157, 293, var. Nuttallii, 293; 

 humilis, 292; juncea, 292; lati- 

 folia, 164, 170, 292; neglecta, 

 292; nemoralis, 292; odora, 92; 

 puberula, 157; racemosa, 292; 

 rugoea, 157, var. Bpbagnophila, 

 151, 293, var. villosa, 292; scm- 

 pervirens, 157;serotina, 170, 2[Y,l, 

 var. gigantea, 293; tenuifolia, 99, 

 144, 160, 169, 170, 293, 294, var. 

 pycnocephala, 293, 294; Terrae- 

 Novae, 292; uliginosa, 292; uni- 

 ligulata, 157, 292, var. neglecta, 

 292, var. terrae-novae, 292. 



Some rare Plants from Knox 

 County, Maine, 198. 



Sorbus, 266; Aucuparia, fi. 266; 

 decora, 266; dumosa, 266; pumila, 

 266; scopulina, 2(i6; sitchensis, 



^ 266; subvestita, 266. 



South America, Veronica in North 

 and, 1, 29. 



Sparganium, 145; americanum, 142, 

 189, var. androcladum, 189; 

 diversifolium, 189, var. acaule, 

 189; fluctuans, 145, 189; mini- 



mum, 189. 



Spartina alterniflora, 110, var. 

 pilosa, 231. 



Spergularia leiosperma, 264; salina, 

 264. 



Spirantheae, 73, 82, 84. 



Spiranthes, 73, 75-77, 81-83; aesti- 

 valis, 83; Amesiana, 82, 83; 

 autumnalis, 81; Beckii, 77; cer- 

 nua, 74-82, 84, 127-129, 157, 167, 

 245, and its Relatives, The soil 

 Reactions of, 127; cernua X 

 gracilis, 80, 81, 84; cernua, var. 

 latifolia, 83, var. ochroleuca, 74, 

 77-79, 81, 84, 128, 129, 167, 245, 

 var. parviflora, 83; cranichoides, 

 73; eriophora, 73; gracilis, 75, 76, 

 79-81, 85; X intermedia, 81; 

 lucayana, 84; lucida, 83; latifolia, 

 83; Notes on New England 

 Orchids — I., 73; odorata, 74, 

 128, 129; ovalis, 83; parviflora, 

 83; plantaginea, 83; Ronianzofh- 

 ana, 74; Smallii, 83; Storeri, 

 84; tortilis, 82, 83; vernalis, 74, 

 7981. 



Sphagnum. 129. 



Spenopholis pallens, 136, 164, 170, 

 ^ 230. 



Sporobolus uniflorus, 229. 



Spruce, 91; White, 109. 



Stachvs palustris, 289, var. homo- 

 tricha, 289. 



Staghorn Sumach, 105. 



Stale of Washington, Lathyrus 

 Nissolia, a recent Introduction in 

 the, 246. 



Station for Croton glandulosus in 

 New Jersey, A, 221; for Pogonia. 

 affinis, A new, 195. 



Steironema ciliatum, 2S6. 



Stellaria graminea, 204; longifolia, 

 264; pubera, 71; uliginosa, 264. 



Stenorrhynchus, 84. 



Stcreocaulon, 183. 



Stipa canadensis, 132, 229. 



Streptopus amplexifolius, 242. 



Suaeda americana, 155. 



Subularia aquatica, 142, 143, 151, 

 156, 265. 



Sugar Maple, 91. 



Sumach, Staghorn, 105. 



Sunflower, 198. 



Sweet Clover, A freak, 25. 



Symphytum asperrimum, 288; 

 asperum, 288. 



Symplocarpus foetidus, 238. 



Synthyris, 40; major, 41; rcniformis 



