NO, I GROWTH LAYERS IN TREE BRANCHES — CLOCK ET AL. IO7 



Table 27.--TTC 35-7 



23 cm. 17 cm. 12 cm. 



1944 3 see 3 see 3 dee 



inc inc inc 



TTC 35-7 (table 27) was cut off July 31, 1944. Growth-layer bor- 

 ders increase in sharpness inward on the branch; the growth layers 

 at 17 cm. are much less sharp than they are at 23 cm. 



Table 28.— TTC 36-1 

 60 cm. 47 cm. 35 cm. 



1940 2 see I see i see 



I psce ? 



1941 I see I see i see 



ddw 



1942 I see I see i see 



I sL I sL 2 sL 



I s iL I s iL I s iL 

 I d iL 



At 35 cm. in 1942 of TTC 36-1 (table 28), all lenses were less 

 sharp than inward on the branch. 



Table 29.— TTC 36-5 

 T2 cm. 



1940 2 see 



I nisce 



1941 I see 



I psce 

 I dee 



1942 I see 



I psce 



Table 30.— TTC jd-/ 



55 cm. 44 cm. 34 cm. 



1940 I see 2 see i see 



I sL 



1941 I see 



I sL 



1942 I see 



I psce 

 I psL 

 I diL 



