1897 ] THE PHALLOIDE, OF THE UNITED STATES 89 
Before completion of elongation, Aft pletion of elong 
“ 
28 40 x 28 (34) 
Average, 2 7.2 24 x 28 (26) 
Average, = ~ 960 
a5 34 x 28 (31) 
32 36 x 30 (33) 
36 48 
Longitudinal wall 40 Longitudinal wall 44 x 40 (42) 
200m thick in interior 32 2oomthickin interior 32 x 28 (30) 
of the stipe wall. 24 of stipe wall. 48 x 40 (44) 
24 36 
32 x 28 (30) 40 
44 x 32 (38) Average, - 38 
24 
Average, - 12 
28 44 x 40 (42) 
36 x 28 (32) 56 x 40 (48) 
24 40 
36 44 x 40 (42) 
34 40 x 32 (36) 
Longitudinal wall 16 x 24 (20) Longitudinal wall 32 x 24 (28) 
240m thick in outer 34 260 thick, in outer 44 x 32 (38) 
surface of stipe. 28 x 26 (27) surface of stipe and 24 
36 near cross wall. 60 x 28 (44) 
44 x 36 (40) 24a 
16 Average, - 36.6 
20 x 28 (24) 
28 x 1o(Ig)a 
F Average, - 28.5 
; In this plant all the measurements of pseudoparenchyma 
made before the completion of elongation, give 31.3 as the 
average length of diameter of the cells in that stage. After 
, completion of elongation, the corresponding average length 
is 37.9u. These results show an average increase of 21 per 
cent. in length of diameter of the cells of pseudoparenchyma 
during completion of elongation. 
Experiment 8.—On October 14, a small egg just beginning 
