1897 | THE PHATLOIDEZSE OF THE UNITED STATES 87 
Bef long f th tacul After pleti f elongation 
be ra 
32 x 44 (38) 
40 
36 x 48 (42) 
30 x 40 (35) 
40 
= 
20 
Average, - . 36.9 
32 
26 
56 x 4o (48) 
Longitudinal wall 40 x 48 (44) 
220mu thick in outer 32 
surface of stipe. 48 
Average, - 
24 
Transverse parti- 32 Transverse parti- 
tion wall in interior of 24 tion wall in interior 
stipe wall. 24 of stipe wall. 
28 
28 
Average, - 26.7 Average, - 
Transverse parti- 
tion wall. 
Average, : 
The measurements of pseudoparenchyma before 
40 
44 x 60 (52) 
30 
28 a 
38.8 
36 x 44 (40) 
44 
32 
35-5 
elongation 
give 30, 5H as the average length of diameter of the cells in that 
