TABLE 2.

The width of phloem and xylem

No.	Species	Month	Width of phloem (mm)			Width of xylem produced in current year (mm)
			T	O	T/O	T	O	T/O
1	Corylus sieboldiana	July	0·82	0·82	1·00	1·69	0·53	3·19
2		December	0·67	0·50	1·34	2·00	0·61	3·28
3	Cercidiphyllum japonicum	July	1·32	1·30	1·02	3·07	1·23	2·50
4	Acer rufinerve	July	2·59	2·29	1·13	2·06	1·03	2·00
5	Mallotus japonicus	July	0·95	0·80	1·19	5·31	1·63	3·26
6		December	0·88	0·85	1·04	5·29	1·43	3·70
7	Melia azedarach	July	1·31	1·16	1·13	9·61	3·39	2·83
8		December	0·63	0·82	0·77	1·36	0·20	6·80
9	Aphananthe aspera	December	1·18	1·10	1·07	5·69	1·70	3·35
10	Celtis sinensis	July	0·89	0·86	1·03	0·95	0·61	1·56
11		December	0·96	0·82	1·17	0·49	0·17	2·88
12	Magnolia salicifolia	July	1·10	1·21	0·91	1·51	0·89	1·70