294 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL., I40 



Missing ring, 34 



Multiplicity, causes of, 253-266 



criteria of, 23-33 



detection of, 126-127 



diameter flushes vs. tip flushes, 250- 



251 

 extension into trunk, 279-285 

 extremes, 225-252, 273-274 



summary, 252 

 multiple, incidence of, 122 

 problem of, 123-125 

 relations among branches of same 



tree, 205-223 

 relations among species, 225 

 relations among trees, 223-224 

 relation of diameter flushes to tip 



flushes, 31-32, 183-204 

 single annual, incidence of, 121-123 

 types of growth layers, 125-126 

 variations along a branch, 133-183 

 variations along radii, 127-132 

 Multiplicity and chronology, 266-274 

 Multiplicity and cycle interpretation, 



278-279 

 Multiplicity and forest border, 274-276 

 Multiplicity and rainfall interpretation, 



277-278 

 Parenchyma cells, 41-42, 255-256 

 Postseasonal growth, 44-45. 94-99. I44, 



256-262 

 Rainfall, Chisos Mountains, 11 

 influence of, 262-265 

 Lubbock, Tex., 6-7 

 northern New Mexico, 5 

 Washington, D.C., 11 

 Yuma, Ariz., 11 



Rainfall and multiplicity, 227-278 

 Reaction wood, 38, 255-256 

 References, 3, 291-292 

 Resin canals, 41, 255-256 

 Sampling problems, 272-273 

 Signature (fingerprint), 270 

 Summary, 286-288 

 Temperature, Lubbock, Tex., 4, 7-9, 25 



northern New Mexico, 5 



Washington, D.C., 11 



Yuma, Ariz., 11 

 Temperature shock, 256 

 Tip flushes, classification, 199 



growth slow-down, 186, 253 



offset and in-line, 196 



relation to diameter flushes, 3^-32> 

 183-204 

 Tip growth, bare-needle zone, 186-187, 

 191 



measurements of, 28-31 



TTP, 20-15. 187 



Washington, D.C., 1 93-199 

 Trees used, 3 



descriptions, 11-19 



symbols, 11-12 

 Trunk, multiplicity in, 279-285 

 Variation, longitudinal, 99-112, 133-183 



radial, 116 

 Vegetation, Chisos Mountains 5, n 



Lubbock, Tex., 4 



northern New Mexico, 5 



Yuma, Ariz., 11 

 Visual problems, 273 



