| 
M adel pif: se ales kd 
1901 | 
150; 
183. 
Pogonia, 86, 87; ophioglossoides, 86, 
87, 189; verticillata, 87. 
Polygonum aviculare, 189; Persicaria, 
189; sagittatum, 189; viviparum, 173. 
Polypodium vulgare, 190, 225, 236. 
Polyporites Bowmannii, 141. 
Polvsiphonia, 291, 292, 293; Olneyi, 
292 ; Schuebelerii, 291, 292 ; violacea, 
291, 292. 
Polystictus pargamenus, 40. 
Polytrichum commune, 150; juniperi- 
num, 180; ohioense, 180; piliferum, 
180 ; strictum, 180. 
Pontederia, 221. 
Populus balsamifera, 132, 189, 233, var. 
candicans, 233; tremuloides, 172, 189. 
Porter, Thomas Conrad, Biographical 
sketch of, 19r. 
Porterella, 193. 
Portland Society of Natural History, 
Herbarium ot, 260. 
Potamogeton, 69, 220, 221. 
Potentilla Anserina, 188; argentea, 
188 ; frigida, 165, 272 ; fruticosa, 160, 
164, 174; littoralis, 188; simplex, 
188 ; tridentata, 174, 188. 
Preliminary Lists of New England 
Plants,— vii, Boraginaceae, 214. 
Prenanthes alba, 177; altissima, 189; 
Boottii, 177 ; serpentaria, 177, 296; 
trifoliolata, 189, 296, var. nana, 177. 
Preston, Howard Willis, Herbarium of, 
261. 
Pringle, Cyrus Guernsey, Herbarium 
of, 261. 
Protection of Native Plants, A Society 
for, 213. 
Protoderma marinum, 132, 137. 
Prunella vulgaris, 189. 
Prunus, 241 ; alleghaniensis, 64; amer- 
icana, 234; cuneata, 160; insititia, 
234; nigra, 234; pennsylvanica, 130, 
164, 174; pumila, 160, 234 ; serotina, 
130, 188 ; virginiana, 130, 164, 174. 
Psilocarya, 33. 
Pteris aquilina, 129, 132, 164, 168, 190. 
Ptilidium ciliare, 181. 
Pycnanthemum, 221. 
Pylaisia polyantha, 180. 
Pyrola asarifolia, 151; chlorantha, 151; 
minor, 155, 175; rotundifolia, var. 
uliginosa, 195 ; secunda, 175. 
Pyrus Americana, 174; arbutifolia, var. 
melanocarpa, 188 ; sambucifolia, 174 ; 
sitchensis, 174, 299. 
tenue, 179; urnigerum, 180, 
Quebec, Notes on a Collection of Cra- 
Index 
311 
taegus made in the Province of, near 
Montreal, 71. 
Quercus alba, 137. 233; coccinea, 137, 
138, 139; coccinea X ilicifolia, 139, 
140; ilicifolia, 137, 138, 139, 233; 
ilicifolia, Notes on Hybrids of, 
137; ilicifolia X velutina, 138, 140; 
nana, 138; palustris, 139 ; palustris 
X ilicifolia, 139; prinoides, 137, 233; 
rubra, 137, 138, 233; tinctoria, 233 ; 
velutina, 137, 138, 233. 
Racomitrium aciculare, 180; fascicu- 
lare, 180; lanuginosum, 180; sude- 
ticum, 180. 
Raising Mushrooms in a Cellar, 57. 
Ralfsia Borneti, 134. 
Rand, Edward Lothrop, Herbarium of, 
261. 
Range, Some Extensions of, 296. 
Ranges in Cyperus and Hieracium, 
Extended, 36. 
Ranunculaceae, 262. 
Ranunculus acris, 149, 173, 187; alle- 
gheniensis, 296 ; bulbosus, 157, 190 ; 
Flammula, var. reptans, 173, 228; re- 
pens, 187; septentrionalis, 149. 
Rehder, Alfred, Notes on Hybrids of 
Quercus ilicifolia, 137. 
Rhadinocladia 218; cylindrica, 
Farlowii, 218. 
Rhamnus cathartica, 65. 
Rhinanthus Crista-galli, 165, 189. 
Rhizoclonium, 291, 292, 293; erectum, 
291, 292; pachydermum, 291; tortuo- 
sum, 290. 
Rhode Island College of Agriculture 
and Mechanic Arts, Herbarium of 
262 ; Notes on the Flora of, 33. 
Rhododendron, 156; canescens, 196, 
197, 235; lapponicum, 165. 175 
nudiflorum 196, 197 ; Rhodora, 175° 
189, 235 ; viscosum, var. nitidum, 197, 
Rhodora canadensis, 198. 
Rhus copallina, 188, 190, 234 ; glabra, 
234; Toxicodendron, 130, 188. 
Rhynchospora capillacea, var. leviseta, 
250. 
Ribes Cynosbati, 233; lacustre, 174; 
oxyacanthoides, 188, 233; prostratum, 
174, 188; rubrum, var. subglandu- 
losum, 174. 
Rich, William Penn, 
262. 
Rivularia Polyotis, 136. 
Robbins, James W., Herbarium of, 262. 
Robinson, B. L., Chloranthy in Anem- 
onella thalictroides, 205; Correct 
Disposition of Sisymbrium niagar- 
218; 
Herbarium of, 
