INDEX. 



2Q 



yj- 



rermeability of \voQ.d for water, 



7i-73» 77-^8i, 87 

 Peronosporese, 272 

 Pasiza WiUkojmniiy 232 — 242 

 Phytophthora infestam, 272 

 Phytophthora omnivora^ 271 — ■ 



282 

 Pine, 5, 17, 18, 24, 35. 37» 42, 



43» 54. 85, 93, 9S» I33> 147, 



160—162, 169, 187, 198, 



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



266 

 Pine-blister, 256 — 270 

 Pinus sylvestris {see Scotch 



Pine), 186 

 Pith, 2, 16, 41, 104 

 Pith-fleck«^, 42 

 Phloem, 203, 204, 20S 

 Plane, 48, 58, 206 

 Pkim, 57, 157 

 Polyporei, 145, 171 

 Polyporus, 147, 169, 179 

 Polyportis annosuSi 145 

 Polyporus horealisj 170 

 Polyporus dryadeus, 170 

 Polyporus fiilvuSf 170 

 Polyp07'us igniai'ius^ l']Qi igy 

 Polyporus 7nollis, 198 

 Polyponis sulphureuSi 155, 165 



— 171 

 Polyporus vaporarius, 193-— 198 

 Pongamiat 23, 45, 55 

 Poplar, 15, 25, 58, 165, 211 

 Poptilus, $8 



*' Pores" of wood, 47—49 

 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, So 

 PUrocmpuSi 56 

 PyrtiSf 42 

 Pythhwi, 2S7 



Q. 



Quercus {see Oak)i 41, 55 » 57 



R. 



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 

 Phamnus, 25, 49 

 Phiso?7iorphaf 157, 160, 163 

 Rhododendron, 43, 268 

 Phyiisma, 254 

 Pobinia, 43 

 Roestelia^ 268 

 Root-hairs, 85, 117, 125 

 Root-pressure, 90, IC7, 115, 122 



— 131, 141 

 Rot in timber, 143, 157, 169, 



220, 225 

 Rust of wheat, 265, 26S 

 Rust-fungi, 255 



S. 



Sachs's imbibition theory of as- 

 cent of water, 64 — 68, 117, 138 



Sahx [see Willow), 43 



Samhucus^ 41 



Sandal-wood, 51 



Santa him, 57 



SapotaceK, 45 



Saprophytic fungi, 173, 221, 

 253» 285 



Sap-wood {see Alburnum), 41, 5 ly 

 64, S5, 9h 93. 1S6 



Satin-wood, 51 



Scheit's observations on ascent 

 of water, 113, 133 



Schleichera, 58 



Schima^ 56 



Scotch Pine, 205, 211, 256, 257, 

 258, 2S5 



Seasoned timber, 27, 187, 190 

 193 



Secondary wood, %6 



