INDEX OF HOST-PLANTS MENTIONED 401 
Linum 
catharticum 356 
usitatissimum 356 
Listera 
cordata 344 
ovata 344 
Lolium perenne 251, 256 
Lonicera Periclymenum 257 
Lotus 
angustissimus 95 
corniculatus 95 
Luzula 
campestris 237, 239 
maxima 239 
pilosa 239 
silvatica 237 and p. xii 
Lycaste Skinneri 383 
Lychnis 
diurna (dioica) 219, 222 
vespertina 219 
Lycopsis arvensis 261 
Mahonia Aquifolium 251 
Malva silvestris 207 
Malvesr 207 
Mangels 113 
Medicago 93 
Melampyrum 277 
arvense 327 
pratense 327 
Mentha 
aquatica 171 
arvensis 171 
citrata 171 
rotundifolia 171 
silvestris 171 
viridis 171 
Mercurialis perennis 352 
Mespilus germanica 306, 307 
Milium effusum 251 
Molinia cerulea 251, 277 
Myrrhis odorata 195 
Narcissus 
poeticus 232 
Pseudonarcissus 232 
Nepeta Glechoma 174 
Nymphoides peltatum 240 
Oncidium 
Forbesii 383 
varicosum 383 
Orchis 
latifolia 268, 344 
maculata 344 
Origanum vulgare 171 
Ornithogalum umbellatum 235 
Orobus tuberosus 99 
Oxalis Acetosella 390 
Oxyria digyna (reniformis) 224 
G. U. 
Peonia officinalis 314 
Paris quadrifolia 267 
Parnassia palustris 250, 389 
Pedicularis palustris 249 
Petasites officinalis 324 
Petroselinum sativum 190 
Peucedanum palustre 193 
Phajus Wallichii 382 
Phalaris 
arundinacea 254, 266 
canariensis 251 
Phaseolus vulgaris 102 
Phillyrea 
latifolia 332 
media 333 
Phleum 
nodosum 284 
pratense 284 
Phragmites communis 272, 274, 275 
Picea excelsa 313, 369 
Pimpinella 
magna 188 
Saxifraga 188 
Pinus 
austriaca 321 
Cembra 317 
montana 325 
monticola 317 
silvestris 314, 321, 323, 324, 325, 
326, 327, 329, 351 
Strobus 317 
Pisum sativum 97, 100 
Plantago 
lanceolata 385 
major 385 
Poa 
annua 127, 279 
aquatica 256 
compressa 251 
fluitans 279 
nemoralis 1427, 251, 279 
pratensis 127, 251, 279 
trivialis 127, 251, 279 
Polygonum 
amphibium 228 
aviculare 117 
Bistorta 225 
Convolvulus 229 
lapathifolium 228 
viviparum 226 
Polypodium 
Dryopteris 375 
Phegopteris 380 
Robertianum 375 
vulgare 877 
Populus 
alba 350, 351, 352 
balsamifera var. 348, 349, 350 
canadensis 349 
canescens 351 
: 26 
