204 
Polypodiaceae, 80-82. 
Polypodium aculeatum, 180; 
are, 81, 82, 90, 130, 133. 
Polystichum, 83, 180; acrostichoides, 
81, 83, 90; Braunii, 81, 83, 84. 
Poplar, 131, 132. 
Populus balsamifera, 134; grandi- 
dentata, 134; tremuloides, 134. 
Potamogeton amplifolius, 136; bu- 
pleuroides, 136; dimorphus, 136; 
epihydrus, 136; filiformis, 15; 
heterophyllus, 136; .natans, 136; 
pusillus, 136; Robbinsii, 136. 
Potentilla Anserina, 92; monspeli- 
ensis, 137, var. norvegica, 137; 
pacifica, 92, 110; palustris, 135; 
saximontana, 195; tridentata, 38, 
48, 137. 
Preliminary Lists of New England 
Plants,—XXVII. 80. 
Primrose ın New England, A Euro- 
pean, 143. : 
Primula, 143; mistassinica, 39, 49; 
officinalis, 143; veris, 143. 
Prunella vulgaris, 136. 
Prunus pennsylvanica, 134. 
Psamma Grass, 70. 
Psedera, 72; quinquefolia, 72, var. 
hirsuta, 72; vitacea, 72. 
Pteretis nodulosa, 81, 83. 
Pteridium latiusculum, 81, 82, var 
pseudocaudatum, 81, 86. 
Pteris aquilina, 133. 
Pyrola, 39, 50, 123; americana, 40, 
43, 44, 52, 53, 121, 122, 137, P. 
rotundifolia and, 121; asarifolia, 
39, 44, 45, var. incarnata, 40, 42, 
44, 45, 121; chlorantha, 39, 43, 
44, 49-53, 194, American Varieties 
of, 49, var. convoluta, 51-53, 
var. occidentalis, 50, var. pauci- 
folia, 51-53, var. saximontana, 
51; convoluta, 49, 50, 52; cordata, 
52, 53; elliptica, 39, 41, 43, 44, 123, 
134; intermedia, 122, maritima, 
122; occidentalis, 50; picta, 50; 
rotundifolia, 53, 121, 122, and P. 
americana, 121, var. americana, 
121, 122, 123, var. arenaria, 121, 
122; secunda, 39, 42-44, 130, 134, 
var. obtusata, 40, 42-44; uligi- 
nosa, 42; uniflora, 180. 
Pyroloideae, 44, 45. 
Pyrus americana, 131, 134; Malus, 
136; melanocarpa, 48;  sit- 
chensis, 130, 131, 134. 
Quaternella, 181. 
vul- 
Rhodora 
[DECEMBER 
Radicula palustris, 135. 
Ranuneulaceae, 80. 
Ranunculus acris, 136, var. Steveni, 
136; aquatilis, var. capillaceus, 
136; Cymbalaria, 15; Flammula, 
var. reptans, 135; hispidus, 30, 
var. falsus, 30, A northern Variety 
of, 30; Purshii, 183, in Iowa, 183; 
septentrionalis, 31. 
Rare Variety of Vitis labrusca, 183. 
Raspberry, A new albino, 112. 
Red Cherry, 131; Maple, 131, 132; 
Pine, 130. 
Reed, Sand, 70. 
Region Gentiana Andrewsii in 
t v Coastal Plain of New Jersey, 
104. 
Report of the Committee on floral 
Areas, Second, 80. 
Reports on the Flora of the Boston 
District, —X XXII. 72, XXXIII. 
123 
Rhizophora, 89. 
Rhododendron canadense, 37, 44, 
134; lapponicum, 38, 44-40. 
Rhodora, 44, 131. 
Rhus typhina, 137. 
Ribes prostratum, 129, 130, 134; 
saximontanum, 195. 
Riddle, L. W., William Gilson Far- 
ow, 1. 
Ripley, W. S., Jr., Second Report of 
the Committee on floral Areas, 80. 
Rosa blanda, 134. 
Royal Fern, 132. 
Rubus, 112, 186, 188, 189, 191; 
abbrevians, 187-189;  allegheni- 
ensis, 185, 191; allegheniensis X 
setosus, 186; amicalis, 186; An- 
drewsianus, 185; arenicola, 186; 
argutus, 191;  Baileyanus, 186; 
Baileyanus X frondosus, 186; 
Brainerdii, 190; canadensis, 185, 
187, 189; Chamaemorus, 48, 189; 
cuneifolius, 185, 189; elegantulus, 
187-189; flagellaris, 187; frondi- 
sentis, 186-189, 191; frondosus, 
185-188, 190, 191; frondosus X 
setosus, 188; glandicaulis, 186, 191; 
hispidus, 185, 187; idaeus, var. 
aculeatissimus, 136, var. canaden- 
sis, 112, var. canadensis, forma 
Warei, 112, var. strigosus, forma 
albus, 112; Jeckylanus, 191; mul- 
tiformis, 186; nigrobaccus, 190, 
var. sativus, 190; pergratus, 188, 
190, 191; pergratus X setosus, 
180, 188; permixtus, 187; phila- 
