INDEX. 



293- 



Permeability of wood for water, 



7173. 7781, 87 

 Peronosporeae, 272 

 Peziza Willkommii, 232 242 

 Phytophthora infestans, 272 

 Phytophthora omnivora, 271 



282 

 Pine, 5, 17, 18, 24, 35, 37, 42, 



43, 54- 85, 93. 95, 133, *47, 



160162, 169, 187, 198, 



210, 223, 254, 259, 261, 264, 



266 



Pine-blister, 256270 

 Pinus sylvestris (see Scotch 



Pine), 1 86 

 Pith, 2, 16, 41, 104 

 Pith-flecks, 42 

 Phloem, 203, 204, 208 

 Plane, 48, 58, 206 

 Plum, 57, 157 

 Polyporei, 145, 171 

 Polyporus, 147, 169, 179 

 Polyporus annosus, 145 

 Polyporus borealis, 170 

 Polyporus dryadeus, 170 

 Polyporus fulvus, 170 

 Polyporus igniarius, 170, 197 

 Polyporus mollis, 198 

 Polyporus sulphureus, 155, 165 



171 



Polyporus vaporarius, 193 198 

 Pongamia, 23, 45, 55 

 Poplar, 15, 25, 58, 165, 211 

 Populus, 58 



" Pores" of wood, 4749 

 Porous wood, 46, 47, 50 

 Potato-disease, 272, 278 

 Pressures on cortex, &c., 34, 214, 



230 



Properties of wood, 20 

 Prosopis, 55 

 Proto-xylem, 47, 86 

 Pterocarpus, 56 

 Pynis, 42 

 Pythium, 287 



Q. 



Quercus (sec Oak), 41, 55, 57 



Rate of movement of water, 66 

 Red streaks in wood, 193, 196 

 Reserve materials, 33 

 Resin-canals, 42, 44, 47, 54, 67, 



162, 187, 262 

 Respiration, 30, 33, 76, 126, 



127, 139, 140, 246 

 Resting-spores, 274, 284 

 Rhamnus, 25, 49 

 Rhizomorpha t 157, 160, 163 

 Rhododendron, 43, 268 

 Rhytisma, 254 

 Robinia t 43 

 Rcestelia, 268 

 Root-hairs, 85, 117, 125 

 Root-pressure, 90, 107, 115, 122 



131, HI 

 Rot in timber, 143, 157, 169, 



220, 225 



Rust of wheat, 265, 268 

 Rust- fungi, 255 



Sachs's imbibition theory of as- 

 cent of water, 64 68, 117, 138 



Salix (see Willow), 42 



Sambucus, 41 



Sandal-wood, 51 



Santa turn, 57 



Sapotacea?, 45 



Saprophytic fungi, 173, 221, 

 253, 285 



Sap-wood (see Alburnum), 41,51, 

 64, 85, 91, 93, 186 



Satin-wood, 51 



Scheit's observations on ascent 

 of water, 113, 133 



Schleichera, 58 



Schima, 56 



Scotch Pine, 206, 21 1, 256, 257, 

 258, 285 



Seasoned timber, 27, 187, 190, 

 192 



Secondary wood, 86 



