INDEX 



5 7 i 

 6/3 



Resin canals. See Resin passages 

 Resin cells, 17, 19, 58,89, 111-122, 124- 



129, 134, 138-142, 151, 353 

 Resin cysts, 17, 19, 58, 121-124, '3 8- 



146, 150, 152 

 Resin flux, 140 

 Resin gland, 140 

 Resin passages, 17, 18, 19, 20, 44, 58, 



78, 79, 89, 98, 108, 111-155, .187, 353 

 Resinous tracheids, 34, 53-58, 120, 122 

 Rhizopus nigricans, 182 

 Rhus typhina, 26 

 Rock cedar, 249 

 Rocky Mountains, 214 

 Rot, brown, 190; dry, 178, 182, 185; 



soft, 190; white, 190 

 Ruthenium, red, 47, 49 



Salicacea2, 153 



Salisburia, 209 



Sambucus racemosa, 26 



Sand pine, 318 



Sanio's bands, 53, 55 



Saprophyte, 177; facultative, 178; 



obligate, 178 



Sargent, C. S., 4, 7, 8, 13, 162 

 Savin, 211, 246 

 Sawara, 233 

 Scalariform, 38 

 Scarborough period, 167 

 Schizogenously, 46, 116 

 Schizomycetes, 175 

 Schrenk, H. von, 163, 178, 179, 190 

 Schulze's maceration, 49 

 Scott, D. H., 155, 160 

 Scrub pine, 318, 321, 322, 338 

 Secondary growth, 70, 104, 189 

 Secondary wood, 34, 155 

 Secretory reservoirs, 58, 123, 128, 130, 



Sections, mounting, 22 ; preparation of, 

 21 ; radial, 18; removal of air from, 

 22; tangential, 18, no, in; trans- 

 verse, 17 



Sequoia, 10, 13, 14, 19, 25, 51, 52, 62, 

 68, 75-77, 82-87, 94, 99, 100, 107, 

 112-123, 127-129, 141, i43- J 5 2 > J 57. 

 196, 223; Burgessii, 20, 96, 108, 126, 

 142, 151, 224, 226; gigantea, 52, 65- 

 67, 84, 86, 139-144, I5 2 > J 57< 223, 

 225, 358 ; Langsdorfii, 142, 144, 224, 

 226; magnifica, 223, 226; Penhal- 

 lowii, 96, 1 02, 1 08, 126, 140-144, 148, 

 164, 224, 228; sempervirens, 52, 86, 

 94, 113, 114, 117, 121-127, 141-144, 

 148, 157, 195, 223, 224, 358 



She balsam, 255 



Shirabe, 257 



Short-leaved pine, 324 



Shrubby red cedar, 251 



Sierra Nevada Mountains, 164 



Sigillaria, 75 



Silica, 192 



Silicification, 5, 167, 171, 173, 174 



Silicified, 166, 172, 191 



Silurian, 171 



Silva of North America, 7, 8 



Silver fir, 262 



Sitka cypress, 233 



Sitka spruce, 290 



Slash pine, 345 



Sodium carbonate, 21 



Soft coal, 172 



Soft rot, 190 



Soledad pine, 332 



Southern pine, 344 



Spiral tracheids, 17, 21, 33-45, 152, 353 



Spirillum choleras-asiaticas, 181 



Spontaneous combustion, 172 



Spores, 176, 181, 182, 184 



Spring tracheids, 52, 86, 87 



Spring wood, 17, 21, 30, 32, 49, 50, 58, 

 66,69, 104, no, 117, 127, 128, 131- 

 134, I39-M2, 166, 184, 273 



Spruce, black, 289 ; blue, 289 ; Colo- 

 rado, 289 ; Engelmann's, 286 ; Pat- 

 ton, 269 ; pine, 318, 323, 328; red, 

 284 ; Sitka, 290 ; tideland, 290 ; weep- 

 ing, 283 ; white, 285, 286 



Staining, 22 



Starch, 179 



Stigmaria, 95 



Stinking cedar, 211 



Stratification, 47 



Striation, 47, 69, 191 



Sugar, 179 



Sugar pine, 311 



Sugi, 216 



Sulphide of iron, 174 



Sulphuric acid, 49, 190 



Sumac, 26 



Summer tracheids, 43, 52, 86 

 Summer wood, 17, 21, 31, 32, 39, 49, 

 50, 58, 68, 69, 92, 104, no, 117, 118, 

 121, 128, 131, 132, 134, 138-145. l66 > 

 184, 273, 353 

 Swamp pine, 345 

 Systematic, 193, 195 



Table mountain pine, 337 

 Tamarack, 277, 278, 280 

 Tangential sections, 18, 70, no, in 

 Tangential walls, 65, 66, 75, 129, 136 

 Taxaceas, 14, 40, 66, 74, 77, 105, 106, 



I 12 



Taxodiineae, 14, 19, 156 



