240 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4O 



tion, "Can a large portion of the cambium of a tree remain inactive 

 (i.e., in that condition intermediate between death and active cambial 

 division) from the end of one growing season to the start of the sec- 

 ond one hence?" 



TTP 24-14-a {1937-1942) 

 6 see + I psce + i dee + i sL + ddw + psg — 6 tfs — 6 years. 



TTS i-i-a (1936-1939) 

 6 see + sL's + s ^L's + s arcs + arcs — 4 tfs — 4 years. 



WAp i-i-a (1943-1944) 

 2 see + I sL — 2 tfs — 2 years. 



IV Ap i-3-a (1943-1944) 

 2 see + I dee — 3 tfs — 2 years. 



Here 1944 is composed of i dce+ 1 see, each corresponding to a tf. 



WCh 2-6-a (1944-1945) 

 2 see + 2 dee — 3 tfs — i* years. (See table 99, p. 160.) 



Branch WCh 2-6 was cut off June 17, 1945, by which time in 1945, 



1 see had been formed 45.8 cm. in from tip, and i sce+ 1 dee had been 

 formed 28.7 cm. in from tip. These corresponded to i tf . In contrast, 

 1944, 45.8 cm. from tip, had i see + 2 dee, the 3 dfs to correspond to 



2 tfs. 



WPe 1-4-a (1943- 1 944) 

 2 see + I psee — 4 tfs — 2 years. 



Branch WPe 1-4 was cut oft' January 21, 1945. Detailed analysis 

 is given in table 170. 



7.5 C7n. TF 



1943 I see I 



1944 I see I see i see i see i 



2 



Sections at 38.5 cm. in WPe 1-4 (table 170) came from the latest 

 1943 tip growth and therefore could have only i see for i tf. Growth 

 for 1944 contained 3 tfs, the second and third a direct continuation of 

 the first. Sections at 33 cm. came from the first tf ; at 23.5 cm. from 



