﻿594 
  

  

  Index 
  

  

  Parosela 
  formosa. 
  561; 
  Jamesii, 
  561 
  

  

  Paspalum, 
  313 
  

  

  Passiflora, 
  327 
  

  

  Pectis 
  angustifolia, 
  562 
  

  

  Pedicularis 
  bracteosa, 
  4 
  50 
  ; 
  canadensis, 
  

   445. 
  452; 
  crenulata, 
  447, 
  453; 
  Grayi. 
  

   449. 
  451; 
  Parryi, 
  447; 
  racemosa. 
  446 
  

  

  Peltandra 
  virginica. 
  539 
  

  

  Penicillium 
  glaucum, 
  425 
  

  

  Penicillus, 
  411 
  

  

  Penstemon. 
  559; 
  alpinus, 
  5'57» 
  5^1 
  ; 
  

   ambiguus. 
  561; 
  coccineus, 
  558; 
  cyatho- 
  

   phorus, 
  454; 
  Jamesii. 
  559, 
  561; 
  Leon- 
  

   ard!. 
  453; 
  Rydbergii,- 
  453; 
  secundi- 
  

   florus, 
  444; 
  strictus, 
  453; 
  teucrioides, 
  

   454; 
  Torreyi, 
  453» 
  55^^ 
  56i; 
  unilateralis, 
  

   453; 
  virens, 
  444, 
  453; 
  xylus, 
  454 
  

  

  Peperomia, 
  327 
  

  

  Peramium 
  decipiens, 
  443; 
  ophioides, 
  443 
  

  

  Petalostemon, 
  298 
  ■ 
  

  

  Phacelia 
  ciliata. 
  453; 
  integrifolia, 
  561; 
  

   sericea, 
  452; 
  tanacetifolia, 
  472 
  

  

  Plialaris 
  arundinacea, 
  542 
  

  

  Phaseolites 
  formus, 
  403 
  

  

  Phleum 
  alpinum, 
  445. 
  448 
  

  

  Phragmites 
  communis. 
  538, 
  541 
  ; 
  Pratti,399 
  

  

  Phyla 
  cuneifolia, 
  561 
  

  

  Phyllitis 
  fascia. 
  103, 
  i04» 
  106 
  

  

  Phyllophora 
  Brodiaei, 
  102; 
  membrani- 
  

  

  folia, 
  102 
  

  

  Phyllospadix. 
  563-565. 
  5^9, 
  575 
  

   Phymosia 
  Crandallii, 
  451 
  ; 
  grandiflora, 
  

  

  451; 
  rivularis. 
  451 
  

   Physalis 
  lobata, 
  561 
  

   Physical 
  factors 
  in 
  the 
  growth 
  of 
  the 
  

  

  tomato, 
  The, 
  261 
  

   Phytogeographical 
  notes 
  on 
  the 
  Rocky 
  

  

  Mountain 
  region 
  — 
  IX, 
  441 
  

   Picea 
  Engelmannii, 
  441, 
  444; 
  Parryana. 
  

  

  441. 
  444 
  

   Picris 
  hieracioides, 
  189, 
  190 
  

  

  Pilobolus, 
  335, 
  337 
  

  

  Pinnularia 
  Hagelsteinii, 
  69, 
  72 
  

  

  Pinus 
  Banksiana, 
  187, 
  189; 
  echinata, 
  

   303* 
  3o8;fiexiHs, 
  441, 
  56o;Lambertiana. 
  

   259; 
  Murrayana. 
  441, 
  442; 
  palustris, 
  

   304, 
  305, 
  308; 
  radiata, 
  472; 
  raritanensis. 
  

   398; 
  resinosa, 
  27; 
  rigida, 
  112; 
  scopu- 
  

   lorum, 
  441, 
  442; 
  serotina, 
  582; 
  Strobus, 
  

   414. 
  416, 
  424; 
  Taeda^ 
  303, 
  305, 
  307, 
  

  

  308, 
  31X. 
  582 
  

   Piperia 
  unalaschensis, 
  443 
  

  

  Pisonia 
  cretacea, 
  402 
  

  

  Pistia 
  Nordenskioldii, 
  399 
  

  

  Plagiogramma 
  Loczyi, 
  68 
  

  

  Planera 
  aquatica, 
  309; 
  cretacea, 
  400 
  

  

  PJantago 
  decipiens, 
  i09f 
  53^. 
  534- 
  537! 
  

  

  eriopoda, 
  561; 
  major. 
  218 
  

   Platanus 
  occidentaiis, 
  308, 
  317 
  

   Pleuraphis 
  Jamesii, 
  560 
  

   Pluchea 
  camphorata. 
  536; 
  foetida, 
  306 
  

  

  189; 
  

  

  Plumaria 
  elegans, 
  102 
  

  

  Poa 
  compressa, 
  27, 
  31, 
  109, 
  443; 
  crocata, 
  

  

  445, 
  448; 
  leptocoma. 
  450; 
  longipedun- 
  

   culata, 
  446; 
  Olneyae, 
  443; 
  pratensis, 
  

  

  109; 
  reflexa, 
  44S, 
  45It 
  453! 
  rupicola, 
  

   453; 
  tricholepis, 
  444; 
  Vaseyana, 
  446 
  . 
  

  

  Podophyllum, 
  327 
  

  

  Podozamites 
  Knowltoni, 
  398; 
  lanceolatus, 
  

  

  398 
  

   Polemonium 
  albifiorum, 
  453; 
  Archibaldae, 
  

  

  446; 
  delicatum, 
  446; 
  foHosissimum. 
  446, 
  

  

  449; 
  molle, 
  446; 
  occidentale, 
  446; 
  

  

  pulcherrimum, 
  471; 
  robustum, 
  446 
  

   Pollen-mother-cell 
  of 
  Cobaea 
  scandens 
  

  

  alba. 
  Cell-division 
  of 
  the, 
  325 
  

   Polygala 
  longa, 
  478; 
  mariana, 
  306; 
  Senega 
  

  

  478 
  

  

  Polygonella 
  articulata, 
  189 
  

   Polygonum 
  acre, 
  539; 
  amphibium, 
  

  

  arifolium, 
  541; 
  aviculare 
  littorale, 
  536; 
  

  

  Engelmannii, 
  453; 
  exsertum, 
  536; 
  

  

  sagittatum, 
  541; 
  scandens, 
  iii 
  

  

  Polyides 
  rotundus, 
  102 
  

   Polypodium 
  hesperium, 
  446 
  

  

  Polysiphonla, 
  103; 
  elongata, 
  102; 
  fasti- 
  

   giata, 
  104, 
  106; 
  fibrillosa, 
  104; 
  Harveyi; 
  

   524; 
  nigrescens, 
  102; 
  OIneyi, 
  524; 
  

   urceolata, 
  104; 
  variegata, 
  104; 
  violacea, 
  

   T04 
  

  

  Polystichum 
  Lonchitis, 
  445; 
  munitum, 
  

   125, 
  126, 
  129 
  

  

  Pontederia 
  cordata, 
  539 
  

  

  Populus, 
  317; 
  acuminata, 
  447; 
  angusti- 
  

  

  foUa. 
  441. 
  447. 
  448r 
  560; 
  aurea. 
  444; 
  

  

  balsamifera, 
  441, 
  447; 
  grandidentata, 
  

  

  24, 
  27, 
  188, 
  190; 
  Sargentii. 
  447; 
  

  

  tremuloides, 
  24, 
  188, 
  190, 
  444, 
  445 
  

   Porphyra 
  laciniata, 
  106 
  

   Posidonia, 
  563; 
  oceanica, 
  564 
  

   Potamogeton, 
  535, 
  539; 
  amplifolius. 
  190; 
  

  

  foliosus, 
  190; 
  heterophyllus, 
  190; 
  inter- 
  

  

  ruptus, 
  190; 
  natans, 
  190; 
  pectinatus, 
  

  

  190. 
  534; 
  perfoliatus, 
  190 
  

   Potentilla, 
  326; 
  glaucophylla. 
  453; 
  ju- 
  

  

  cunda, 
  446; 
  paeifica, 
  536 
  

   Prenanthes 
  paucifiora, 
  562; 
  tenuifolia, 
  s^^ 
  

   Primula, 
  326; 
  angustifolia, 
  557, 
  561; 
  

  

  Parryi, 
  444; 
  sinensis, 
  325 
  

   Prosopis 
  glandulosa, 
  298 
  

   Prosopodium, 
  470 
  

   Proteoides 
  crassipes, 
  401 
  

  

  Protoplasmic 
  streaming, 
  The 
  effect 
  of 
  

  

  zinc 
  sulphate 
  on, 
  425 
  

   Prunella 
  vulgaris, 
  448 
  

  

  Prunusallegheniensis, 
  581; 
  maritima, 
  109; 
  

  

  pennsylvanica, 
  190; 
  pumila. 
  190; 
  vir- 
  

   giniana, 
  189, 
  190 
  

  

  Psedera 
  quinquefolia, 
  109 
  

  

  Pseudocymopterus 
  montanus, 
  446; 
  multi- 
  

   fid\i<i, 
  446; 
  sylvaticus, 
  446; 
  tenuifoHus, 
  

   446 
  

  

  

  