INDEX. 



clxv 



Pyracantha Rogersiana f . flava, F.C.C., 

 cxiii 



Pyrellia lasiophthalma at mistletoe, 



XXXV 



Pyrethrum, 410 

 Pyrola rotundi folia, xiv 

 Pyrus transitoria toringoides, A.M., 

 cxiv 



Pythium Debaryanum on conifers, 396 

 potatos, 410 

 tomatos, 420 



Quercus acuta, 158, 159, 169, 174, 

 184, 213, 220 



bambusifolia, 220 

 Aegilops, 158 

 agrifolia, 159, 181, 221 

 alba, 160, 163, 170, 173,186, 193 



hybrids, 161, 163, 164, 

 177, 223 

 aliena, 161, 223 



acutiserrata, 161 



calvescens, 161 

 alnifolia, 162 

 ambigua, 162, 177 

 aquatica, 185, 199 

 arkansana, 162 

 X audleyensis, 163, 177 

 Baronii, 222 

 X Bebbiana, 161, 177 

 bicolor, 163, 177, 192, 193 



hybrids, 164 

 borealis, 223 

 Breweri, 222 

 Buergeri, 184 



castaneaefolia, 164, 167, 170 

 Catesbaei, 164 

 Cerris, 165, 177 



crispa, 166, 188 



' Fortress,' 166 



hybrids, 187 



karlsruhensis, 166 



laciniata, 167 



variegata, 166 

 chrysolepis, 167 



vaccinifolia, 167 

 cinerea, 156, 168, 222 

 coccifera, 159, 181, 222 



pseudococcifera, 169 

 coccinea,i62, 165, 169, 172, 177, 

 181, 199, 201, 211,213 



hybrids, 177 



splendens, 169, 202 

 conferta, 169, 171, 192, 194, 



197 200 

 crispula, 170, 176, 198 

 crassipes, 222 



cuneata, 170, 193, 199, 223 

 hypophlaeos, 170 

 macrophylla, 170 



cuspidata, 170 



Daimio, 199 



densiflora, 170, 209 



dentata, 171, 199 



dilatata, 171, 181 



Douglasii, 187, 198, 222 



dumosa, 222 



munita, 222 



Quercus dumosa polycarpa, 222 

 ellipsoidalis, 161, 172 

 Emoryi, 222 

 Engelmanii, 222 

 X exacta, 172, 177, 178 

 Fabri, 172 



Gambelii, 172, 17G, 219' 

 Garryana, 173, 187, 198 

 georgiana, 223 

 Gilliana, 174, 223 

 glabra, 158, 169, 174, 184, 209, 

 213 



glabrescens, 222 

 glandulifera, 174, 219 

 glauca, 156, 175, 183, 222 

 grosseserrata, 170, 175, 185, 198 

 X heterophylla, 176, 177, 199 

 hybrids, 177 



see also under separate 

 species 

 hypoleuca, 222 

 Ilex, 178, 185 



crispa, 180 



Fordii, 179 



Gramuntia, 179, 181 



hybrids, 163, 177, 217 



latifolia, 180 



laurifolia, 179 

 ilicifolia, 180 



arborescens, 181 

 imbricaria, 179, 181, 217 



hybrids, 177, 178 

 incana, 172, 180, 181, 209 

 infectoria, 181, 191 

 insignis, 182 

 Kelloggii, 165, 182, 198 

 lacera, 183 

 laciniata, 167 

 laevigata, 183 



lanuginosa, 71, 184, 192, 198, 

 217 

 crispa, 184 

 Dalechampii, 185 

 dissecta, 185 

 Hartwissiana, 185 

 hybrids, 177, 184, 206 



laurifolia, 179, 185, 199, 200 

 X Leana, 177, 178, 186 



Libani, 186, 191, 210 



lineata, 200 



oxyodon, 200 



lobata, 187, 198 



X Lucombeana, 177, 186, 187, 

 218 



diversifolia, 177, 188 

 fulhamensis, 177, 188,189 



laciniata, 189 

 Vicarii, 190 

 lusitanica, 182, 185, 190, 196, 

 197 



alpestris, 190, 196, 197 

 Broteri, 190, 196, 197 

 faginea, 190, 197 

 Mirbeckii, 196 

 serratifolia, 223 

 lyrata, 191, 222 



hybrids, 178 

 macedonica, 187, 191 

 macranthera, 192, 197 



