282 
sticta, 231; linearis, 243; miniata, 
242, 243. 
Potamogeton, 45, 71, 73; lucens, 99. 
Potentilla canadensis, 122; conferti- 
flora, 142. 
Preliminary Lists of New England 
Plants, — XVII, 33. 
Prenanthus trifoliolata, 154. 
Prickly Lettuce, Identity of, 9. 
Primula, 160, 161. 
Proserpinaca pectinata, 75. 
Protoderma marinum, 225. 
Pruinosae, 193. 
Prunus serotina, 125. 
Ptelea, 157, 159, 160. 
Pteris, 95, 160. 
Ptilimnium capillaceum, 75. 
Ptilota pectinata, 243. 
Punctaria latifolia, 227; plantaginea, 
228. 
Punctatae, 192. 
Pylaiella littoralis, 226, 242. 
Pyrola, 160. 
Pyrus, 160. 
Quebec, A new Arabis from Rim- 
ouski County, 31. 
Quercus alba, 125; Robur, 125; tinc- 
toria, 125. 
Queria canadensis, 48. 
Ralfsia Borneti, 229; clavata, 229; 
deusta, 243; verrucosa, 229. 
Range of Eatonia pubescens, Exten- 
sion of, 138. 
Ranunculus abortivus, 220, var. Har- 
veyi, 222; affinis, 221, var. leio- 
carpus, 221, 222; Allenii, 220-222 ; 
from northeastern America, A new, . 
219; Macounii, 5; pedatifidus, 220, 
221; Purshii, 5; pygmaeus, 220, 
221. 
Raspberry, American Black, 143, 144; 
Black American, 143; White 
American, 143, 146; Yellow- 
fruited Variety of the Black, 143. 
Razoumofskya pusilla, 108. 
Reboulia hemispherica, 58. 
Recently recognized Species of Cra- 
taegus in eastern Canada and New 
England, — VI, 162, 174, 192. 
Red Maples, 123. 
Reforestation at Woods Hole, Mass- 
achusetts — A study in Succession, 
121. 
Remarks on Rhode Island Plants, 
.39- 
Reproduction of Spiranthes cernua, 
Vegetative, 49. 
Rhodora 
[DECEMBER 
Reseda alba, 25. 
Rhexia, 160; virginica, 74, 187. 
Rhinanthus, 37; Crista-galli, 34, 37, 
var. major, 37; major, 34, 37. 
Rhizoclonium hieroglyphicum, var. 
macromeres, 240; lacustre, forma 
americanum, 240; riparium, 225; 
tortuosum, 225, forma polyrhizum, 
225. 
Rhode Island, Lotus tenuis as a Waif 
in, 167; Plants, Remarks on, 39. 
Rhodochorton Rothii, 172, 234. 
Rhodomela, 169; Rochei, 169; sp., 
242; subfusca, forma gracilior, 233. 
Rhodymenia palmata, 231, 243. 
Rhus, 161, 190; copallina, 123, 125, 
127; Toxicodendron, 125. 
Rhynchospora alba, 72; capillacea, 
72, 154; fusca, 72, 106; glomer- 
ata, 106. j 
Ribes Cynosbati, 155, var. glabratum, 
156; oxyacanthoides, 153-155, var. 
calcicola, 155; Some lithological 
Variations of, 153. 
Riccardia multifida, 58; palmata, 58. 
Riccia fluitans, 58. 
Rimouski County, Quebec, A new 
Arabis from, 31. 
Rivularia atra, 224 ; nitida, 224. 
Robinia, 28; pseudoacacia, 125 ; vis- 
cosa, 28. 
Robinson, B. L., A Connecticut Sta- 
tion for Lycopodium Selago, 20; 
The Fern Allies, 267 ; A new Ra- - 
nunculus from northeastern Amer- 
ica, 219; Two varieties of Sisym- 
brium officinale in America, 101; 
A well marked Species of Sparga- 
nium, 60. 
Rosa, 157, 161, 190; carolina, 74. 
Roya, 114; obtusa, 114. 
Rubus, 157, 219; Idaeus, 143; leuco- 
dermis, 145 ; nigricans, 109; occi- 
dentalis, 143, 144, var. flavobaccus, 
146, var. leucodermis, 145, var. pal- 
lidus, 144, 146; villosus, 123, 125. 
Rumex, 161. 
Ruppia, 172, 223, 224, 226, 227, 230, 
331. 
Rutaceae, 28. 
Sabbatia chloroides, 38, white form 
of, 38; dodecandra, 75. 
Saccogyna viticulosa, 55. 
Sagittaria graminea, 71, 110; natans, 
72. 
Salicornia, 233. 
Salix, 142, 161, 185; anglorum, 185 ; 
arctica, 185; candida, 107, 154; 
