458 
Phlox divaricata, 133. 
drummondii, 133, 319. 
Phoenix dactylifera, 321 
Phragmites vulgaris 182 
Picea excelsa, 325. 
morinda, 325. 
sitkiensis, 166. 
Picris hieracioides, 321. 
Pieris rapje, 62. 
Pimpinella integerrima, 277. 
Pine, 304, 320, 326, 329, 396 397, 398, 413 
Pinus australis. 398. 
contorta, 398. 
inops, 44. 
insignia, 398. 
laricio, 166. 
longifolia, 398. 
maritima, 398. 
mitis, 166, 398. 
montana, 398. 
polepensis, 398. 
ponderosa, 166, 320, 398. 
resinosa, 166. 
rigida, 398. 
sabineana, 398. 
strobus, 331, 397, 401, 428. 
sylvestris, 182, 397, 413, 428. 
treda, 398. 
uncinula, 398. 
Pirns mains, 183. 
Pithecoctenum, 331. 
Plane, 305. 
Plantago, 124. 
major, 124. 
patagonica var. aristata, 124. 
rugelii, 124. 
Plum, 54, 56, 60, 62, 99, 101,163, 164,168, 171, 173, 174. 
227, 253, 300, 301, 302, 303, 304, 307, 311.313 
354, 355, 403, 409, 410. 411, 412 415, 416, 419, 
420. 
Poa, 98. 
sudetica, 321, 
Pomaceous trees, 156. 
Polyactis, 159. 
Polygonum dumetorum var. scandens, 124. 
sagittatum, 330. 
Polyporus pergamenus, 320. 
Polytrichum, 276. 
Poplar, 305. 
Populus alba, 182,183. 
balsamifera, 326. 
grandidentata, 134, 319. 
tremula, 321. 
tremuloides, 134,182,319 
Portulaca oleracea, 111. 
Potentilla norvegica, 122. 
Potato, 9, 25, 48, 55, 57, 61, 62, 103, 159, 162, 168, 
171, 172, 173, 174, 175, 176, 180, 280, 298, 
299, 300, 301, 303, 306, 307, 308, 309, 310, 
311, 313, 317, 386, 387, 400, 406, 407, 408^ 
409, 411, 414, 415, 417. 418, 419, 420. 422, 
423. 
Preiselbeer, 304. 
Prenanthes brunoniana, 325. 
Primula, 167, 413. 
Prostantbera lasiant.hos, 425. 
Prune, 354, 355, 357. 
j Primus, 56. 
americana, 99,101. 
armeniaca, 101. 
doniestica, 101. 
mahaleb, 321. 
serotina, 66,101,181. 
virgimana, 101,182. 
Ptelea trifoliata, 181. 
Pulicaria viscosa, 182,183. 
Pumpkin, 320, 411. 
Pyrola rotundifolia, 320. 
Pyrus, 320. 
coronaria, 182. 
i 
Q. 
j Quercus, 182, 320. 
agrifolia, 423. 
alba, 103, 181. 
illicifolia, 181. 
lobata, 166. 
pedunculatus, 321. 
rubr-J 103. 
virens, 320. 
Quince, 60. 62. 168. 247, 280, 417, 422. 
R. 
Radish, 56, 300, 423. 
Randia, 322. 
Ranunculus bulbosus, 123. 
fasicularis, 123. 
Raphanus sativus, 111. 
Raspberry, 26, 57, 163,164,168,170, 310, 311, 315, 408, 
410,420. 
Redfieldia flexuosa, 281. 
Rliamnus, 327. 
eorymbosus, 183. 
Rheum raponticum, 181. 
Rhexia mariana, 330. 
Rhododendron, 305, 325, 413. 
arboreum, 325. 
campanulatum, 325. 
catawbieuse, 131,319. 
hodgsoni, 325. 
lepidotum, 325. 
Rhus venenata, 181. 
Rhyncospora glomerata, 274, 330. 
Rhytisma acerinum, 182. 
Ribes, 105,181,401. 
alpinum, 101. 
rubrum, 101. 
Rice, 48. 
Ricliardia africana, 330. 
Robinia, 189. 
pseudaeacia, 183, 331. 
Romulea ramiflora, 328. 
! Rosa, 105,130. 
canina, 182. 
j Rose, 183, 305,312, 313. 
Rubiaceie, 322, 326 
| Rubus, 105, 165. 
canadensis, 130. 
villosus, 130. 
Rudbeckia hirta, 320. 
lacimata, 320. 
Rumex, 277. 
