252 
Racomitrium fasciculare, 48; sude- 
ticum, 48. 
Radula obconiea, 18; tenax, 17, 224. 
Ramalina dilacerata, 89; rigida, 89. 
Range Extensions of Rhamnus 
Frangula and Sporobolus asperi- 
folius, 227. 
Rare Plants in Groton, Massachu- 
setts, 234. 
Regarding Viola pedata, forma rosea, 
22. 
Rehder, A. Rhododendron carolin- 
ianum, a new Rhododendron from 
North Carolina, 97. 
Reports on the Flora of the Boston 
District, — XIV, 76, XV, 107. 
Rhabdoweisia, 46. 
Rhamnus Frangula, 227, and Sporo- 
bolus asperifolius, Range Exten- 
sions of, 227. 
Rhaphidium faleatum aciculare, 114. 
Rhexia, 24; virginiea, 28. 
Rhododendron, 97, 98, 101; caro- 
linianum, 99-101, a new Rhodo- 
dendron from North Carolina, 97; 
catawbiense, 97, 98; Chapmanii, 
102; Cuthberti, 99-101; ferru- 
gineum, 97; maximum, 95, 97, 98, 
101; minus, 98-101, forma Har- 
bisonii, 102; punctatum, 97-101; 
viscosum, 21.' 
Rhodymenia pertusa, 59; Wilkesii, 
58, 59. 
Rhus, 21; copallina, 21; glabra, 21; 
Toxicodendron, 21; typhina, 21; 
Vernix, 21. 
Ribes americanum, 241. 
Riecardia multifida, 17; 
18; pinguis, 18. 
Riccia, 1, 6; americana, 4-6; ar- 
vensis, l-4, 8, 9, 11, var. hirta, 
8; Austini, 1, 4-7, 10, 224; bifurca, 
3, 4; dictyospora, 1, 6, 7; glauca, 
4; glaucescens, 10; hirta, 1, 8, 9; 
lamellosa, 4—6, 224, var. americana, 
4; Lescuriana, 1, 4, 8, 10, 11, var. 
cruciata, 10, var. trichotoma, 10; 
Micheli, 11; nigrella, 7; soro- 
carpa, 1, 4, 6, 7, 10; trichocarpa, 
8, 9. 
Rideau, Ontario, Notes on the Algae 
of the, 236. 
Rivularia incrustata, 236; 
114; pisum, 114, 236. 
Robinia Pseudo-Acacia, 80. 
Rubus, 120, 121, 133, 191; idaeus, 
var. anomalus, 205, var. anomalus, 
A new Station for, 205; villosus 
Enslenii, 96. 
palmata. 
natans, 
Rhodora 
. Rynchospora alba, 31; 
[DECEMBER 
Rudbeckia, 164; hirta, 23; sub- 
tomentosa, 164, A new Variety of, 
164, var. Craigii, 164. 
Rumex, 204. 
glomerata, 
28; macrostachya, 29, 30. 
Sabatia, 30; gracilis, 30, 32; dode- 
candra, 29, 32. 
Sagittaria Engelmanniana, 30; lati- 
folia, 26, 31, 103; teres, 31. 
Salicornia ambigua, 19; europaea, 
19; mucronata, 19. 
Salix, 79, 163; alba, var. vitellina, 
79; balsamifera, 69, 70, 79, An 
early Collection of, 69; candida, 77, 
199; discolor, 79; lucida, 79, 80; 
nigra, 79; pentandra, 79; rostrata, 
79; serissima, 72, 80, in southern 
Connecticut, 80; vestita, 87; vim- 
inalis, 79. 
Salsola Kali, 20, var. tenuifolia, 20. 
Salvia, 163; verticillata, 163. 
Sambucus canadensis, 206. 
Sand Plum in Indiana, 196. 
Sanguisorba canadensis, 241. 
Sargent, C. S., A Connecticut Sta- 
tion for Ilex mollis, 205. 
Sassafras variifolium, 83. 
Saxifraga caespitosa, 87; nivalis, 88. 
Scapania apiculata, 224; curta, 224; 
subalpina, 224. 
Scenedesmus bijuga, 115, 237; qua- 
dricauda, 237. 
Schizaea, 95; pusilla, 94. 
Schwetschkeopsis denticulata, 52. 
Scirpus americanus, 26, 30, 236; 
cyperinus, 21, var. Andrewsii, 21; 
Peckii, 204; planifolius, 176; 
ma var. setosus, 55; validus, 
Seleria reticularis, 29, 32. 
Sclerolepis, 23, 24; uniflora, 175, in 
Massachusetts, 23. 
Scytonema crispum, 114. 
Second Station for Cyperus Grayii 
n Essex County, Massachusetts, 
Sedum, 227, 228; acre, 228; anophyl- 
-= 228; new to North America, 
Seedless Barberry found at Sherborn, 
Massachusetts, 207. 
Senecio obovatus, 73. 
Setaria glauca, 180; italica, 168; 
pilosa, 171; verticillata, 180, 183. 
Shelburne, New Hampshire, Festuca 
ovina L., var. duriuscula (L.) 
Koch in, 92. 
