304 
Plantago lanceolata, 135; major, 50, 
135. 
Plants at Cumberland, Maine, West- 
ern, 119; Further Notes on the 
twelfth Preliminary List of New 
England, 235; New Stations for 
Maine, 289; New to Maine, Records 
of some, 71; new to the Flora of 
Lynn, Massachusetts, Two, 256 ; Pre- 
liminary Lists of New England, — 
XI, Hepaticae, 170, XII, 188. 
Platanus occidentalis, 132, 134. 
Plectonema Battersii, 233; Golenkini- 
anum, 233. 
Pluchea camphorata, 133, 204. 
Pluteolus, 197, 198; A beautiful, 197; 
coprophilus, 198 ; expansus, 198. 
Pluteus, 198. 
Poa alpina, 48; annua, 135; debilis, 34, 
197. 
Podostemon ceratoph yllus, 134. 
Pogonia, 259 ; ophioglossoides, 82, 133. 
Polygala pauciflora, 130; polygama, 
129, 204 ; sanguinea, 130. 
Polygonella articulata, 131. 
Polygonum acre, 131; aviculare, 135 ; 
exsertum, 289; Hydropiper, 131; 
tenue, 128. 
Polypodium vulgare, 128, 257. 
Polysiphonia, 28, 212; fastigiata, 212. 
Polystichum Plaschnickianum, 272. 
Pontederia cordata, 132. 
Populus balsamifera, 49; tremuloides, 
129, 258. 
Porella pinnata, 172; platyphylla, 172 ; 
rivularis, 172. 
Porphyra, I, 210, 211; abyssicola, 212; 
amplissima, 211, 2145 coccinea, 211; 
laciniata, 210, 211, 212, forma epi- 
phytica, 212; forma umbilicalis, 211; 
var. umbilicalis, 212; leucosticta, 
210, 211, 212; linearis, 212 ; miniata, 
211, 212; tenuissima, 211, 212. 
Portulaca grandiflora, 190; oleracea, 
188 ; pilosa, 190. 
Portulacaceae, 188. 
Position of Echinodorus parvulus, 
Generic, 85. 
Potamogeton confervoides, 44, 48; 
crispus, 134, 135; natans, 134; spir- 
illus, 134. 
Potamogetons, 238. 
Potentilla Anserina, 133; arguta, 204 ; 
tridentata, 36, 256. 
Poterium canadense, 289. 
Prasiola, 16. 
Preissia quadrata, 170. 
Preliminary Lists of New England 
Rhodora 
[DECEMBER 
Plants, —XI, Hepaticae, 170, XII, 188, 
Further Notes on the twelfth, 235. 
Prenanthes alba, 132, 204; serpentaria, 
129, 204; trifoliolata, 46. 
Pringsheimia, 1. 
Proserpinaca palustris, 132;  pectin- 
acea, 134. 
Protoderma, I. 
Prunella vulgaris, 50. 
Prunus cuneata, 128; maritima, 131; 
pennsylvanica, 128; pumila, 204; 
serotina, 129; virginiana, 128. 
Pseudokobresia, 250. 
Psilocarya scirpoides, 130. 
Pteridium spinulosum, 206, 207. 
Pteris aquilina, 47. 
Pterodes, 194. 
Ptilidium ciliare, 51, 172. 
Puccinellia maritima, 133. 
Pursh’s Report of Dryas from New 
Hampshire, 281. 
Pycnanthemum muticum, 204. 
Pyrus americana, 35; arbutifolia, 45, 
49, 131. 
Quercus alba, 129; coccinea, 132, var. 
tinctoria, 129; ilicifolia, 128; prino- 
ides, 128; rubra, 129. 
Radula complanata, obconica, 
172; tenax, 172. 
Railroads, Roses vs., 93. 
Ralfsia, 209. 
Rand, E. L.  Galinsoga in Maine, 
258; Matricaria discoidea, DC. in 
New Hampshire, 288; Observations 
on Echinodorus parvulus, 83. 
Range, Some Notes on Mosses, with 
Extensions of, 199. 
Ranunculi, 238. 
Ranunculus, 86; abortivus, 132, var. 
eucyclus, 33; acris, 135; allegheni- 
ensis, 34, 203; aquatilis, var. tricho- 
phyllus, 134; bulbosus, 135; Cym- 
balaria, 130; fascicularis, 128, 203; 
multifidus, 134, 204; septentrionalis, 
I31. 
Reboulia hemisphaerica, 170. 
Recently recognized Species of Cratae- 
gus in eastern Canada and New 
England, — I, 52, II, 108, III, 137, 
IV, 1590, V, 182. 
Records of some Plants new to Maine, 
71; of Wolffia columbiana in Massa- 
chusetts, 287. 
Red Algae, 1; Baneberry, 77, Experi- 
ment with the Fruit of, 77 ; clover, 
173; 
