1908] 
United States, 64; Notes on the 
vaseular Plants of the northeastern 
United States, 29. 
Roripa americana, 32; Armoracia, 32; 
hispida, 32; sphaerocarpa, 32. 
Rosa blanda, 112. 
Rosaceae, 195. 
Rotala ramosior, 143. 
Rubus, 14, 117, 119; allegheniensis, 
51, 118, 119, 121, forma albinus, 
50; var. calycosus, 51, var. Gravesii, 
51; amabilis, 120;  arcticus, 15; 
argutus, 152; canadensis, 117-120, 
206, On the Identity of, 117; Cham- 
aemorus, 141; glandicaulis, 118; 
idaeus, var. aculeatissimus, forma 
albus, 50; Millspaughii, 120; neg- 
lectus, 14; nigrobaccus, 51, 121, 
var. albinus, 51, var. calycosus, 51, 
var. Gravesii, 51; occidentalis, 13; 
pergratus, 121; saxatilis, 15; seto- 
sus; 114 stellatus, 15; strigosus, 
14, 119, var. albus, 50; triflorus, 
15, 120; triphyllus, 152; villosus, 
var. albinus, 51, var. humifusus. 152. 
Rudbeckia speciosa, var. Sullivantii, 68; 
Sullivantii, 68. 
Rumex, 17, 207; mexicanus, 17, 20; 
occidentalis, 95; pallidus, 19, 154; 
Patientia, 112; persicarioides, 20: 
salicifolius, 17-19, in eastern Amer- 
ica, Representatives of, 17. 
Ruppia maritima, 169. 
Rynchospora. 142; alba, 137, var. 
таста, 137; axillaris, 142; capil- 
lacea, 137, 142, var. ‘leviseta, 137, 
142; fusca, 137; glomerata, 137; 
macrostachya, 137, 142, var. inun- 
data, 137, 142; macrostachyon, 142 
Torreyana, 137, 142, 143. 
Sabatia stellaris, 43. 
Sagittaria 207; calycina, var. maxima, 
31; Ensgelmanniana. 43; gracilis, 
31; hastata, 64; latifolia. forma 
diversifolia, 31, forma graci'is, 31, 
forma hastata, 64, forma obtusa, 31; 
obtusa, 31; variabilis, var. diversi- 
folia, 31, var. gracilis, 31, var. obtusa, 
31. 
Salix incana, 56, at Castine. Maine, 56. 
Salsola Kali, var. Tragus, 152. 
Sampson, M. M., Some Plants of 
Tiverton, Rhode Island, 112. 
Sanguinaria canadensis, 165. 
Sanicula aretopoides, 13;  bipinnati- 
fida, 13; canadensis, 13; отесатіа, 
13; marilandica, 12, 13; Menziesii, 
12, 13. 
Index 231 
Sarcoscyphus aquaticus, 186; Ehrharti, 
var. aquaticus, 186, var. robustus, 
186. 
Satureja, 85; arkansana, 85; glabra, 
85. 
Scapania curta, 192; 
irrigua, 192. 
Scheuchzeria palustris, 141, 169. 
Schizoporella, 44; unicornia, 44. 
Schmaltzia illinoensis, 52. 
dentata, 192; 
Scilla, 129; esculenta, 31; sibirica, 
129. 
Scirpus americanus, 137, 204, 205; 
atrocinctus, 137, var. brachypodus, 
137; atrovirens, 137, var. pycno- 
cephalus, 137; caespitosus, 137, 143; 
campestris, var. Fernaldii, 137, var. 
novae-angliae, 137, var. paludosus, 
137; Clintonii, 137, 143; cyperinus, 
137, var. Andrewsii, 137, var. con- 
densatus, 137, var. pelius, 137; de- 
bilis, 137, 144, 204, var. Williamsii, 
137; Eriophorum, 137; fluviatilis, 
137; georgianus, 137; Halli, 43, 
187, 143; heterochaetus, 137, 143; 
hudsonianus, 20, 137, 146. in Rhode 
Island, 20; lineatus, 137; nanus, 
137, 143; occidentalis, 137, 143; 
Olneyi, 137, var. contortus, 137; 
pauciflorus, 137. 143; Peckii, 137; 
pedicellatus, 138, var. pullus, 138; 
planifolius, 138, 143; polyphyllus, 
138, var. macrostachys, 138; ro- 
bustus, 138; rubrotinetus, 138, var. 
confertus, 138; rufus, 95, 143, 
144, 201; Smithii, 138, 144, 205, 
var. setosus, 138, 144; subtermina- 
lis, 138; sylvaticus, 138, 144, var. 
Bissellii, 138; Torreyi, 138, 140; 
validus, 138. 
Seleria, 144; pauciflora, var. carolini- 
ana, 138; reticularis, 43, 138, 143, 
var. pubescens, 138; triglomerata, 
138; verticillata, 138. 
Sclerolepis uniflora, 143. 
Scotch Ling, 178. 
Sears, J. H., A southern Flora and 
Fauna of post-pleistocene Age in 
Essex County, Massachusetts, 42. 
Selaginella, 61; apus, 61, 140; rupes- 
tris 61. 
Selaginellaceae, 61. 
Senecio, 68, 195; aureus, 68, 69; 
aureus х Balsamitae. 69; Balsam- 
itae, 68, 69, var. Crawfordii 69; 
Crawfordii, 69; Notes on the Genus, 
68; Robbinsii, 145; viscosus, 145, 
153; vulearis, 153. 
Setaria verticillata, 150. 
