INDEX 
Physalis Alkekengi, 642 
ce one 160; crispa, 160; integrata | 
ac 
ste niles 
Physiological ‘etenlesicon on Drosera 
Be Leana, 160; picta, 160; 
42 
lr a singing ret notes on the Rocky 
region—VI. Distribution of 
mee ie alpine plants, 343 
Picea albertiana, 355; canadensis, 354; 
meets 354, 355; mariana, 354 
; i 42, 261 
a, 353 
Pilotrichella conferta, on nite 331 
fas pinella ssp 588, 6 
, 626 
nacea 
Pinguicula gers 347 
cibtedetie. 348, 352; aristata, 
350; flexilis, 348; 
Murrayana, 348; palustris, 933 Strobus, 
Pisum sativum, 637 
Pituranthos Thomso: 
Plagiochila a Saale 239, 240 
Plagiothecium dentic ulatum, 240; nitens, 
78; Raoarernnry 78 
s Oederi 
Plagi tae 241 
Pastis. 4 643 
Plant wearers ° pe chp, ciety age 587, 
671 
| Micsacesdaiai pete 581, 582 
Pogo ca dias 330; poly- 
sae 30; gore e, 69 
Polygonaceae, 630 
sed lags biflorum, 
lat 29 
Po "RASPES 318 
Polemonium Brandegei, 361; confertum, 
pe nee atum pint foliosissimum, 361; 
num, 363; miletum, 361; vis- 
253; + verticil- 
m, 359 
Paiyeenion affine, 582, 584, 630; alatum, 
31; amplexicaule, 630; aviculare, A 
5 7, 630; cognatum 630% 
volvulus, 631; filicaule, 630; Parca 
piper, 587, 631; interruptus, 310; 
islandica, 630; lapathifolium, 630; 
molliaeforme, 584, 630; Muhl rgii, 
255; par ronychioides, 630; pennsyl- 
vani ‘ ; Persicaria, 631; poly- 
Polypodiaceae, as: 625 
Pol a aceae, Branched prothallia in 
Polypodtum, 210; aureum, 365, 377; 
vulgar 
Po iypogon  ciandeiies 588, 627 
Polystichum 
* 
by Charles Wellington Furlong, 305 Polytrichadelphus a 309 
Platanus occidentalis, , 259, 262;| Polytrichum alpinum, 244; antillarum, 
orientalis, 39, ~ 56 
Pleea tenuifolia, 4 Acura cordata, 255 
Pleurogyne Sicactirant hera, 640; coat Populus, 5 9; alba, 588. 629; ciliata, 629; 
thiaca, Pt 3, 640; fontana, 357; Thom “td 588, 629; mi parent 2593 
soni, 581 640 euphratica, — gra italica, 5 203 
Pleurosperm Candollii, 583, 639; tremuloides, 3. 
Hookeri, race stellatum, 586, 639 Porella pinnata, 230 platyphylloides, 240 
Pluchea camphorata, 265 spin soegnile ; phaea, 147; tetra- 
Plumbaginaceae, 317, 640 
Poa alpicola, 360; alpina, 587, 627; Pocteaann nove eg 
ua, 582, 588, 627; aperta, 360; wonoeidaed as 
entina, 310; attenuata, 627; Buck-| Pota on alpinu 5 45; filiformis, 
leyana, 356; bul : ata, 345; eines “terol 3454 interior, 3505 
confusa, 358; Cusickii, 352; epilis, 356; us, i, 345; pectin 
enderleriana, 349; gianus, 9;|  atus, 345 "585, a 626; cartotiasut, 
Grayana, 360; laevigata, 356; lepto-| 587, 626; sp. 255 
coma, 355; Lettermanii, 360; longi- | Potentilla ‘ambigua, 586, 635; anserina, 
ligula, 340; longi ulata, 360;) 315, 580, 587, 6355 arachttoides, Add 
ucida, 360; nemoralis, 582, 587; argyrophylla, 582, 584, 636; 
nemoralis ligulata, 585, 627; nervosa, sanguinea, 636; bif , 580, ses 
358; nevadensis, 355; curviseta, 635; divisa, 357; flabellifolia, 
353; fruticosa, 635; fruticosa Inglisii, 
udica, 363; re 
Sheldoni, 
ca, 627; Traceyi, 360; tr 
6273 paeiile 363; Vaseyana, 3 
Poaceae, 287 
flexa, 
360; 
ula, 
ta, 358; Maco 
oi, 363; modesta, 361; 
86, 6355 Nelsonii, 363; sre 346, 636; 
